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quasi resonant
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ICE2QS01Abstract: SFH6173 Quasi Resonant Controller ICE2QS01 Power Management & Supply Never stop t h i n k i n g , or other persons may be endangered. 160W SMPS Evaluation Board with Quasi Resonant Controller , revision) Version 160W SMPS Evaluation Board with New Quasi Resonant Controller : License to , © Infineon Technologies, 2006 Sept, 2006 V1.0 3 160W SMPS Evaluation Board with Quasi Resonant , Technologies, 2006 Sept, 2006 V1.0 4 160W SMPS Evaluation Board with Quasi Resonant Controller 
Infineon Technologies Original 

SFH6173 EE42/21/15 12v 50w smps smps transformer design EE42 SWITCHING POWER TRANSFORMER AC to DC smps circuit diagram ice2qs01 EVALQRSICE2QS01160W 85VAC 
Ringing Choke ConverterAbstract: RCC Ringing Choke Converter Flyback topology  Quasi resonant switching benefits Describes how Quasi Resonant techniques help in flyback topology · Quasi resonant (valley switching) techniques minimise EMI effects in , . BN32430709 Quasi Resonant Switching Efficiency Benefits Quasi resonant or valley , Minimising switching losses Quasi Resonant Figure 2: Flyback waveform showing valley points EMI Benefits Minimising Hard Switching Effects Zero current (quasi resonant) switching is used to minimise the 
Cambridge Semiconductor Original 

C2160 C2150 Ringing Choke Converter RCC Ringing Choke Converter SMPS SOT236 sot236 AC/DC power supply 89/336/EC AD2971 AD2968 
HF01B01Abstract: HF01B04 HF01B00/01/02/03/04 Off Line High Voltage Quasi Resonant Regulator The Future of Analog IC , . 1 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR TYPICAL APPLICATION T1 , . © 2011 MPS. All Rights Reserved. 2 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT , . © 2011 MPS. All Rights Reserved. 3 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT , HIGH VOLTAGE QUASI RESONANT REGULATOR PIN FUNCTIONS Pin # 1 Name VSD Description Valley switching 
Monolithic Power Systems Original 

HF01B04 HF01B01 3.7v battery charger circuit diagram HF01B REGULATOR S 813 SOIC7 CISPR22 HF01B00/01/02/03 HF01B00DP HF01B01DP HF01B02DP 
Abstract: HF01B00/01/02/03/04 Off Line High Voltage Quasi Resonant Regulator DESCRIPTION FEATURES , Reserved. 1 HF01B00/01/02/03/04â'"OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR TYPICAL , /04â'"OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR ORDERING INFORMATION Part Number Package , HF01B00/01/02/03/04â'"OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR ELECTRICAL CHARACTERISTICS VCC , HF01B00/01/02/03/04â'"OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR PIN FUNCTIONS Pin # Name 1 
Monolithic Power Systems Original 

HF01B03DP MS012 
mosfet gate drive circuitAbstract: AN1018a Circuit Operation Quasi Resonant Operation Mode Notes on Circuit Design 1)PART SELECTION TABLE , )  x 22.5V(TYP) VCC Voltage at normal Operation 10 www.irf.com AN1018a 7) Quasi Resonant , quasiresonant signal duration=1µsec). Hence quasi resonant operation turns on the MOSFET at 1/2 cycles of the , energy). An example of the power supply circuit for the quasi resonant operation is shown in Fig , , R5 between the drive winding D and the OCP/FB pin, produces the quasi resonant signals, at the 
International Rectifier Original 

IRIS4007 IRIS4011 IRIS4013 IRIS4015 mosfet gate drive circuit AN1018a mosfet triggering circuit 20khz frequency charging and discharging capacitor AN1018 IRIS40 
HF01B01Abstract: HF01B04 HF01B00/01/02/03/04 Off Line High Voltage Quasi Resonant Regulator The Future of Analog IC , Reserved. 1 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR TYPICAL , . © 2012 MPS. All Rights Reserved. 3 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT , HIGH VOLTAGE QUASI RESONANT REGULATOR TYPICAL PERFORMANCE CHARACTERISTICS (continued) VSD Internal , × 10 HF01B00/01/02/03/04OFF LINE HIGH VOLTAGE QUASI RESONANT REGULATOR Where, VOVP is the 
Monolithic Power Systems Original 

HF01B04DP HF01B00 HF01B02 CISPER22 k mps AC DC Transformer 12V HF01B04DS 
PD60190Abstract: IRIS4015 (latched) · Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation ,  55 Minimum input pulse width for quasi resonant signals   1.0 Minimum OFF 
International Rectifier Original 

PD60190 AN1025 230VAC AN1018 AN1024 TS001 
AN1025Abstract: IRIS4015 Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation , Minimum input pulse width for quasi resonant signals   1.0 Minimum OFF time   
International Rectifier Original 

IRIS4015K PD60190C 
Abstract: protection (latched) · Overcurrent & overtemperature protection · Quasi resonant, variable frequency , Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) VOCP/FB Tth , width for quasi resonant signals Minimum OFF time OCP/FB terminal threshold voltage 1 OCP/FB terminal 
International Rectifier Original 

IR4007K IR4007 100VDC 
AN1024aAbstract: AN1025 overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and TO262 package · , temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal , for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC TOFF 
International Rectifier Original 

IRIS4007K AN1024a PD60183C 
TPLINKAbstract: IRIS4011 Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation , pulse width for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC 
International Rectifier Original 

IRIS4011K TPLINK PD60188B 
AN1018aAbstract: AN1024a overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and TO262 package · 0.4 , recommended operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant , Maximum OFF time Minimum input pulse width for quasi resonant signals Minimum OFF time OCP/FB terminal 
International Rectifier Original 

AN1018a Integrated Switcher quasi resonant PD60183B 
ic tba 220Abstract: overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and TO262 package · 1.95 , Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant , width for quasi resonant signals Minimum OFF time OCP/FB terminal threshold voltage 1 OCP/FB terminal 
International Rectifier Original 

ic tba 220 PD60189A IRIS4013K 
an1025 VdssAbstract: IRIS4015 protection · Quasi resonant, variable frequency operation · 5 pin TO220 and TO262 package · 0.97 Rds(on , Refer to recommended operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) VOCP/FB Tth(2) 1.0µs Vth(2) 2 , supply current Maximum OFF time Minimum input pulse width for quasi resonant signals Minimum OFF time OCP 
International Rectifier Original 

an1025 Vdss PD60190A 
IRIS4015Abstract: AN1025 Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation , Minimum input pulse width for quasi resonant signals   1.0 Minimum OFF time   
International Rectifier Original 

PD60190B 
AN1025Abstract: IRIS4007 ) · Overcurrent and overtemperature protection · Quasi resonant, variable frequency operation · 5 , Refer to recommended operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) 2 VOCP/FB Tth(2) 1.0µs Vth(2 , pulse width for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC 
International Rectifier Original 


TPLINKAbstract: 110V AC to 12V DC ic (latched) · Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · , of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) 2 VOCP/FB Tth(2 , 30 mA Maximum OFF time 45  55 Minimum input pulse width for quasi resonant 
International Rectifier Original 

110V AC to 12V DC ic PD60188 
ic tba 220 datasheetAbstract: ic tba 220 (latched) · Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · , of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) 2 VOCP/FB Tth(2 , 30 mA Maximum OFF time 45  55 Minimum input pulse width for quasi resonant 
International Rectifier Original 

ic tba 220 datasheet TS0015 PD60189 
IR4007Abstract: IR4007K protection · Quasi resonant, variable frequency operation · 5 pin TO262 package · 0.4 Rds(on) max/ 200V , of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) 2 VOCP/FB Tth(2 , 30 mA Maximum OFF time 45  55 Minimum input pulse width for quasi resonant 
International Rectifier Original 

PD60183 
IRIS4013Abstract: AN1024a Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VOCP/FB terminal at the time of quasi resonant operation , pulse width for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC 
International Rectifier Original 

TS00 to120W PD60189B 
AN1025Abstract: IRIS4007 Overcurrent and overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO , temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal , pulse width for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC 
International Rectifier Original 

PD60183A 
IRIS4009Abstract: AN1025 Overcurrent & overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and , operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation , pulse width for quasi resonant signals   1.0 Minimum OFF time   1.5 IQCC 
International Rectifier Original 

IRIS4009 IRIS4009K PD60196 
Abstract: overtemperature protection · Quasi resonant, variable frequency operation · 5 pin TO220 and TO262 · 3.9 Rds(on , Refer to recommended operating temperature Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VDCP/FB terminal at the time of quasi resonant operation, the signal should be wider thant Tth(2) VOCP/FB Tth(2) 1.0µs Vth(2) 2 , supply current Maximum OFF time Minimum input pulse width for quasi resonant signals Minimum OFF time OCP 
International Rectifier Original 

PD60188A 
STRL472Abstract: STRL400 applications. The quasi resonant operation and PRC operation are available in normal operation. * PRC (Pulse , quasi resonant signal is established)  Quasi resonant operation function  Input , one of the following two modes according to the state whether quasi resonant signal is present or not.  PRC (Pulse Ratio Control) operation  Quasi resonant operation Copy Right: SANKEN , Constant voltage control operation 7.2.1 PRC Operation If there exists no quasi resonant signal or it 
Sanken Electric Original 

STRL400 STRL472 
Abstract: operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant , =24.5â'6.6V  *6 Recommended operating conditions Tth(2)â§1.0Î¼sec Time for iunput of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin ï¼¶O.C.P/F.B at the time of quasi resonant , the time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit 
International Rectifier Original 

IRISG6653 G6653 TG3A1128 
Abstract: operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant , =24.5â'6.6V  *6 Recommended operating conditions Tth(2)â§1.0Î¼sec Time for iunput of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin ï¼¶O.C.P/F.B at the time of quasi resonant , the time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit 
International Rectifier Original 

IRISG6623 G6623 
Abstract: for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 , §1.0Î¼sec Time for iunput of quasi resonant signals ï¼¶O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant operation, the signal shall 0V be wider thant Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is 
International Rectifier Original 

IRISG5653 IRISG5653A G5653A 
g5653Abstract: g5653a of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B , =31.732.3V *6 Recommended operating conditions Tth(2)1.0sec Time for iunput of quasi resonant signals O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant , time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated 
International Rectifier Original 

g5653 hybrid smps controller la 4444 IRISG5600 SMPS Switcher IC of DIP 7 4444 
IRISF6428SAbstract: SMPS Switcher IC of DIP 7 quasi resonant signals For the quasi resonant signal inputted to O.C.P/F.B Pin at the time of quasi resonant operation, the signal shall be wider than Tth(2). Tth(2)1.0sec O.C.P/F.B 0V Vth(2 , conditions (See page 2) *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 

IRISF6428S 6 pin smps power control top mosfet F6428 F6428S 4BE01515A 
G5624Abstract: G5624A Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B , Time for input of quasi resonant signals O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant operation, the signal shall 0V be wider than Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted 
International Rectifier Original 

IRISG5624A G5624A G5624 
Abstract: for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 , §1.0Î¼sec Time for iunput of quasi resonant signals ï¼¶O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant operation, the signal shall 0V be wider thant Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is 
International Rectifier Original 


g6624Abstract: SMPS Switcher IC of DIP 7 Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold , of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin O.C.P/F.B at the time of quasi resonant operation, the signal shall Vth(2) 0V be wider than Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted. *8 The 
International Rectifier Original 

IRISG6624 g6624 G6624 
F6426Abstract: IRF 450 MOSFET of the maximum switching current. Recommended operating conditions Time for input of quasi resonant signals For the quasi resonant signal inputted to O.C.P/F.B Pin at the time of quasi resonant , Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 , page 2) *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is 
International Rectifier Original 

IRISF6426S F6426 IRF 450 MOSFET 4507 mosfet PD2049 SMPS high power CIRCUIT DIAGRAM F6426S 
f6456Abstract: IRISF6456S of the maximum switching current. Recommended operating conditions Time for input of quasi resonant signals For the quasi resonant signal inputted to O.C.P/F.B Pin at the time of quasi resonant , Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 , page 2) *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is 
International Rectifier Original 

IRISF6456S F6456S f6456 IRISF64 PD158 
F6454Abstract: F6454R of the maximum switching current.  Recommended operating conditions Time for input of quasi resonant signals For the quasi resonant signal inputted to O.C.P/F.B Pin at the time of quasi resonant , Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 , page 2) *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is 
International Rectifier Original 

IRISF6454R F6454R F6454 
smps 1000WAbstract: PFC BALLAST CONTROL IC l6562 Power supply for settop box (US110V) Quasi resonant controller: L6565 AN2447 STEVALISA017V1 Power supply for settop box (EU220V) Quasi resonant controller: L6565 AN2447 STEVALISA020V1 , STEVALISA019V1 STEVALISA022V1 STEVALISB001V1 EVAL5973AD EVAL656380W 80W Quasi resonant wide range SMPS for 3 ESBT: STC05DE150 phase applications Quasi resonant SMPS controller: L6565 , LLC resonant SMPS EVAL6599200W Offline converter: VIPer12AS supply Mobile phone wide range 
STMicroelectronics Original 

EVALSTSR3060W smps 1000W PFC BALLAST CONTROL IC l6562 3000w smps flyback 1000w 220v DC MOTOR SPEED CONTROLLER 1000w buck boost converter PSD34XX STEVALIFN002V1 STR730 UM0193 STEVALIFP001V1 VN808CM 
G6651Abstract: operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant , =24.5â'6.6V  *6 Recommended operating conditions Tth(2)â§1.0Î¼sec Time for iunput of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin ï¼¶O.C.P/F.B at the time of quasi resonant , the time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit 
International Rectifier Original 

G6651 IRISG6651 
G6653Abstract: IRISG6653 Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold , of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin O.C.P/F.B at the time of quasi resonant operation, the signal shall Vth(2) 0V be wider than Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted. *8 The 
International Rectifier Original 

switcher dip 4 contact 6 PIN smps control ic 6 pin smps power control ic V23078 
la 4444Abstract: G6651 Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold , of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin O.C.P/F.B at the time of quasi resonant operation, the signal shall Vth(2) 0V be wider than Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted. *8 The 
International Rectifier Original 

Quasi Resonant Converter flyback 
G5653Abstract: IRISG5653 Recommended operating conditions Tth(2)1.0sec Time for input of quasi resonant signals O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant operation, the , minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated O.V.P and T.S.D , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 

Converter Type SMPS 
G5624AAbstract: G5624 of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B , =31.732.3V *6 Recommended operating conditions Tth(2)1.0sec Time for iunput of quasi resonant signals O.C.P/F.B For the quasi resonant signal inputted to OCP/FB Pin Vth(2) at the time of quasi resonant , time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated 
International Rectifier Original 

5624A 
quasi resonantAbstract: V23078 Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold , of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin O.C.P/F.B at the time of quasi resonant operation, the signal shall Vth(2) 0V be wider than Tth(2). *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is inputted. *8 The 
International Rectifier Original 


Abstract: operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant , =24.5â'6.6V  *6 Recommended operating conditions Tth(2)â§1.0Î¼sec Time for iunput of quasi resonant signals For the quasi resonant signal inputted to OCP/FB Pin ï¼¶O.C.P/F.B at the time of quasi resonant , the time when the minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit 
International Rectifier Original 


STRF6654Abstract: strf6654 PIN CONFIGURATION primary. Quasi resonant capacitor for snubbing and low noise is connected betw een this pin and OV , em agnetisation sensing Quasi Resonant mode  N orÂ mal Operation. In both cases, voltage , down threshold. Normal Operation (Quasi Resonant) Mode R efer to Regulator B lock Diagram [page 2], Standard Application diagram [Fig. 6] and Quasi Resonant WaveÂ forms [Fig. 8]) R e g u la tio n is a c , Flyback. Fig. 8 Quasi Resonant W aveforms For optimum EM I/efficiency perform ance, Q/R turn o ff is 
 OCR Scan 

STRF6654 strf6654 PIN CONFIGURATION STRF6653 str SMPS CIRCUIT DIAGRAM STRF6654 strf6676 STRF6600 STRF6652 STRF6653 STRF6672 STRF6676 
STRF6514Abstract: STRF6654 EQUIVALENT °C maximum. 2. Time for input of quasi resonant signals. For the quasi resonant signal inputted to vocp/fb terminal at (he time of quasi resonant operation, the signal shall be wider titan Tth(2). 2.2V OV â'" Â¿A , depends on transformer construction. OCP/F.B (Pin 11: Constant Off Time. Quasi Resonant A Voltage , . Fixed 50us ofTtimc (Pulse Ratio Control mode) 2. Demagnetisation sensing (Quasi Resonant mode) In , quasi resonant switching regulator) 03 April 1998 Type52 [replaced model MOSFET VDSS[V] RDS(on)MAX 
 OCR Scan 

STRF6624 STRF6514 STRF6626 STRF6523 STRF6524 STRF6656 STRF6654 EQUIVALENT schematic diagram power supply str f6654 STRF6523 STRF6656 EQUIVALENT STRF6612 STRF6502 STRF6614 STRF6511 STRF6616 STRF6513 
STRF6656 EQUIVALENTAbstract: STRF6656 ronrlitinn^ 1. Inner frame temperature in operation Tf = I I5Â°C maximum. 2. Time for input of quasi resonant signÃ¡is. For the quasi resonant signal inputted to vocp/fb terminal at the time of quasi , quasi resonant signals 15 T1h(2)   10 usee Minimum OFF time  Toff(min)   1.5 usee OCP/FB , : 1 Fixed 5us oiTtimc (Pulse R.llio CoiUro Illodc) 2. Demagnetisation sensing (Quasi Resonant , feedback quasi resonant switching regulator) Notes.Sl.RDS values are objective ones ac thq m iccdt 7" . 
 OCR Scan 

schematic diagram power supply str f6656 TRANSFORMER sanken catalog schematic diagram ac regulator str STRf6656 diagram STRF6624 STR F6656 D50M33 F74000 F6500 
SQ6601PTAbstract: Quasi Resonant Converter flyback Recommended Operating Conditions Time for input of quasi resonant signals. For the Quasi resonant signal inputted to the VFB/OCP terminal at the time of quasi resonant operation, the signal should be wider than 
AUK Semiconductor Original 

SQ6601PT KSDI0U001000 
STRF6524Abstract: strf6524 â c 1. Inner frame temperatine io operali an Tf=115Xi*u*inttiiii 2. Time for inpat oÃ quasi resoaant sigiuU. FÃ²r Che quasi resonant signal on the V^ terminal daring quali rcionant operation, the , quasi resonant signots 15 Tih(2)   1.0 usee MMmum OFF Urne  Tofl(min)   1J5 usee OCP/FB terminal 
 OCR Scan 

S7HP6624 STW6523 STKF6634 strf6524 strf64 f6524 strf64i6 SANKEN STR STRFG600 STRF63I2 TRP6502 STRF64I6 STOF65I3 
STRG6653Abstract: STRC6653 Maximum OFF time â'" Torr (MAX) 45 â'" 55 it see Minimum time for input of quasi resonant signals 53 T , width at the lime when the minimum quasi resonant signal is inputted. * 8 77fÂ® ftttts O.V.P. The latch 
 OCR Scan 

STRG6653 STRC6653 STRG6653 circuit diagram part circuit strg6653 strg6653 STRC6653 
Abstract: . It deploys the Quasi Resonant Control (QRC) and valley switching method with Power Factor Correction , circuit â'¢ Quasi Resonant Control (QRC) with Power Factor Correction (PFC) â'¢ Valley switching â 
MARVELL Original 

88EM8182 GU10 88EM818201 
zd101Abstract: d207 July 2001 KA5QSeries Fairchild Power Switch SMPS for Color Television Product Brief Low EMI and High Efficiency General Description The Fairchild Power Switch product family is specially designed Quasi Resonant Converter! for implementing offline switch mode power supplies (SMPS) with Burst Mode Operation for Lower minimal external components. The FPS integrate a high voltage , I Quasi Resonant Converter Controller Internal Burst mode Controller for Standby mode Pulse by 
Fairchild Semiconductor Original 

VR201 KA5Q0765RTTU zd101 d207 BD101 transistor D205 smps 200w 20V flyback 200w PT101 SW201 VR202 OPT101 
STRF6600Abstract: Series STRF6600 OFF time  Toft(max) 45  55 usee Minimum Ome lor Input of quasi resonant signais 15 T*K2)   1.0 , the need for itwih^Hg components. There we three possible modes of operation : Quasi Resonant (Demag , operation Tf" 115*C maximum 2. Time for input of quasi moruuit signais. For the quasi rÃ©sonant n^nil 00 (be terminai during quasi rÃ©sonant operation, the signal duration aod amplitude dull be ai shown. Vth 
 OCR Scan 

STRF6674 Series STRF6600 str flyback mosfet strf6600 HG Genuine STRW5 CSTHPS523 STUPS454 STRF6533 STKF6A76 STRM337 
regulator input 220V output 15V DC 3AAbstract: offline flyback regulator 100w converter: VIPer12A AN1484 STEVALISA016V1 Power supply for settop box (US110V) Quasi resonant controller: L6565 AN2447 STEVALISA017V1 Power supply for settop box (EU220V) Quasi resonant controller: L6565 80W Quasi resonant wide range SMPS for 3 phase ESBT: STC04IE170HV applications Quasi resonant SMPS controller: L6565 STEVALISA007V1 STEVALISA019V1 STEVALISA022V1 5.5W , with secondary synchronous Synchronous rectification controller: STSR30 Quasi resonant SMPS 
STMicroelectronics Original 

L6920DB regulator input 220V output 15V DC 3A offline flyback regulator 100w 10v regulator using viper22a l6599 VIPer12A 6v battery charger VIPER53 TSV91 TSV99 LD49300 STOD1412 PM6670 STVM100 
sars03 diodeAbstract: diode sars03 terminal is to detect the quasi resonant signal. Quasi resonant is to match the timing of the MOSFET , match 1/2 cycle of the resonantfrequency. The quasi resonant operation is started by inputting the quasi resonant signal to the BD terminal. The flyback voltage generated in the auxiliary winding is transformed to the quasi resonant signal by a resistive voltage divider. The timing of the bottom point of , quasi resonant operation and continues the 100kHz PWM operation. Generally, the pulse height of the 
Sanken Electric Original 

STRE1500 STRE1565 sars03 diode diode sars03 sars03 chopper transformer winding formula c1740s 
24V 10A SMPS circuit diagramAbstract: d06u20s frequency is too low. Instead, an SMPS for a color TV makes use of the so called quasi resonant technique , Switch (FPS) has lower IC start up and operating currents than the KA3Sseries, and quasi resonant , frequency, quasi resonant switching; current mode control; built in secondary side regulation; and an , . Quasi resonant Operation When a hard switched SMPS is used for a color TV, the MOSFET generates a very , converter that uses the quasi resonant technique. Lm is the transformer's primary side magnetizing 
Fairchild Semiconductor Original 

AN4102 24V 10A SMPS circuit diagram d06u20s 230vac to primary 9v transformer 24V 10A SMPS circuit cross reference D10U60S opto d207 
opto d207Abstract: D06U20S use of the so called quasi resonant technique. In this technique a capacitor is added between the , currents than the KA3Sseries, and quasi resonant operation can continue even in burst mode. Also, the , consumption: less than 2W at 230Vac. The SMPS features variable frequency, quasi resonant switching; current , noise. Figure 1 shows a flyback converter that uses the quasi resonant technique. Lm is the , converter using the quasi resonant technique. The MOSFET turns off when Id, reaches the peak value (Ip 
Fairchild Semiconductor Original 

LM 7805 5V REGULATOR IC KA5Q0765RT High Current Voltage Regulator mosfet 7805 EER4042 ka5q1265rt linear regulator 7805 
EER4942Abstract: High Current Voltage Regulator mosfet 7805 use of the so called quasi resonant technique. In this technique a capacitor is added between the , currents than the KA3Sseries, and quasi resonant operation can continue even in burst mode. Also, the , consumption: less than 2W at 230Vac. The SMPS features variable frequency, quasi resonant switching; current , noise. Figure 1 shows a flyback converter that uses the quasi resonant technique. Lm is the , converter using the quasi resonant technique. The MOSFET turns off when Id, reaches the peak value (Ip 
Fairchild Semiconductor Original 

EER4942 smps 10w 12V LG TV flyback transformer CROSS REFERENCE 200W MOSFET POWER AMP C945 smps LG TV flyback transformer 
D06U20SAbstract: D10U60S use of the so called quasi resonant technique. In this technique a capacitor is added between the , currents than the KA3Sseries, and quasi resonant operation can continue even in burst mode. Also, the , consumption: less than 2W at 230Vac. The SMPS features variable frequency, quasi resonant switching; current , noise. Figure 1 shows a flyback converter that uses the quasi resonant technique. Lm is the , converter using the quasi resonant technique. The MOSFET turns off when Id, reaches the peak value (Ip 
Fairchild Semiconductor Original 

circuit diagram of mosfet based smps power supply KA5Q1565RT 24v 5a smps KA5QSERIES 24V to 3.6V opto coupler EER3542 
MK1210Abstract: 4810 mosfet Switching control mode Remarks Bipolar Bipolar Bipolar MOSFET RCC RCC RCC (with quasi resonant , : Overvoltage and output OnOff control can be implemented. * 5: Quasi Resonant power supply can be designed 
Shindengen America Original 

MK1210 MJ2400 4810 mosfet MA4000 Series MA1000 MA1000 Series ZIP27 HSOP28 MTD1110 1120F 5MTD1361 MTD2001 
NTE7166Abstract: requirements for increased integration and reliability in off  line quasi resonant flyback converters. This , circuit completes a comprehensive suite of features. Features: D Flyback Operation with Quasi  Resonant , Minimum Pulse Duration for Input of Quasi Resonant Signals Minimum Off Time Feedback Threshold Voltage , TJ Note 1. Feedback is square wave, VIM = 2.2V, th = 1µs, tl = 35µs. Note 2. For quasi  resonant 
NTE Electronics Original 

NTE7166 
Abstract: wide range AC input. It deploys the Quasi Resonant Control (QRC) and valley switching method with , '¢ Quasi Resonant Control (QRC) with Power Factor Correction (PFC) â'¢ Low THD  
MARVELL Original 

88EM8183 88EM818304 
F6428Abstract: SMPS Switcher IC of DIP 7 conditions *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 

7 PIN IC FOR SMPS POWER SUPPLY 
F6426Abstract: IRF 450 MOSFET conditions *7 The minimum OFF time means TOFF width at the time when the minimum quasi resonant signal is , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 

8 pin smps power control ic R13R13 
Abstract: minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated O.V.P and T.S.D , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 


Abstract: minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated O.V.P and T.S.D , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 


L6565Abstract: zener diode c18 st Schottky Rectifier, 3 A, 40 V L6565 Quasi Resonant SMPS controller L5973D step down switching , delivers up to 6 W outputs. It is based on the L6565 quasi resonant SMPS controller, working in variable 
STMicroelectronics Original 

US110 STTH108 SMBYW02200 STPS5L40 STPS5L25B STPS340 zener diode c18 st K1010 resonant rectifier schematic 470UF diode c18 st 
L6565Abstract: K1010 of stability STEVALISA016V1 ST components October 2006 L6565 Quasi Resonant SMPS , European input voltages (90 to 265Vrms) and delivers up to 6W outputs. It is based on the L6565 quasi resonant SMPS controller, working in variable frequency mode. SMBYW02200 High Efficiency Fast Recovery 
STMicroelectronics Original 

470uf equivalent L6565 MAR514 MAR5146 SCHEMATIC 12V 5A smps diode STPS340U 40V 3A LD29080DT25 
Abstract: minimum quasi resonant signal is inputted. *8 The latch circuit means a circuit operated O.V.P and T.S.D , current in operation Circuit current in nonoperation Maximum OFF time Minimum time for input of quasi resonant signals *6 Minimum OFF time *7 O.C.P/F.B Pin threshold voltage 1 O.C.P/F.B Pin threshold 
International Rectifier Original 


.68k 275VX2Abstract: Capacitor 470uf 400v 160W SMPS Evaluation Board for High End TV with New Quasi resonant Controller ICE1QS01 Yew Ming Lik , Luo Junyang and Jeoh Meng Kiat Infineon Technologies Asia Pacific Pte. Ltd., No. 25 New Industrial Road, Singapore 536211 Email: MingLik.Yew@infineon.com, Junyang.Luo@infineon.com and , cost for TV application. The ICE1QS01 is a quasi resonant controller where switched on the power , pin Quasi Resonant Controller ICE1QS01. ICE1QS01 is a current mode controller. The ICE1QS01 comprises the 
 Original 

Capacitor 470uf 400v E42 CORE FOR 20KHZ TRANSFORMER smps transformer SMPS IC 2003 6 pin smps power control ic 18v ANICE1QS01 
SMD optocoupler IC PC817Abstract: optocoupler PC817 demonstration board is based on a quasi resonant flyback converter and employs the STW4N150 power MOSFET as the , Switch mode transformer  Tronic U1 L6565 STMicroelectronics quasi resonant controller U2 , ground between the two outputs. The converter is controlled by the L6565, a primary controller for quasi resonant ZVS (zero voltage switching) flyback converters. The IC controls the power capability variations 
STMicroelectronics Original 

SMD optocoupler IC PC817 optocoupler PC817 470 pf ceramic capacitor N67 ferrite optocoupler IC PC817 sharp optocoupler PC817 UM0584 STEVALISA031V1 L5970AD STEVALISA031V1 AM01306 AM01307 
MA3810Abstract: MA4820 power supplies 2) MA2000 series has option of overvoltage control and ON/OFF switching of PSU 3) Quasi Resonant PSU can be designed REFER TO MA1000 SERIES TECHNICAL MANUAL FOR APPLICATION GUIDE 021^307 
 OCR Scan 

MA1040 MA3810 MA2820 MA4810 MA4820 MA2830 ma1050 MA300 MA1010 MA2410 MA1020 MA2420 MA3000 
3s0680rfAbstract: 3s0680rf DIAGRAM is especially appropriate for the quasi resonant power supply used mostly in color TVs and is being , monitors and other TVlike displays, this noise directly affects the display quality. This why the quasi resonant ßyback switching is required. The quasi resonanttype operation is appropriate for TVs, monitors , ) does not operate in the transient state. Rev C, November 1999 3 4. Quasi Resonant Circuit , Vcb VSS Imp Im ICR ID2 t0 t1 t2 t3 t4 t4 t5 Figure 2. Quasi resonant waveform(Vi 
Fairchild Semiconductor Original 

3s0680rf 3s0680rf DIAGRAM 3S0680R 3s0680rf circuit diagram eer3543 3S0680R B 
Abstract: could be designed to operate on quasi resonant mode to improve efficiency, and the quasi resonant mode , and the turn ratio is adjusted to realize the quasi resonant mode. (For designing method, please , and current sensing resistor voltage VCS waveform. The MOSFET works at quasi resonant mode. 4.10 
BCD Semiconductor Original 

AP1681 
tea1751Abstract: AN10789 16 package. Both controllers operate in Quasi Resonant (QR) / Discontinuous Conduction Mode (DCM) mode with , operates in Quasi Resonant (QR) or Discontinuous Conduction Mode (DCM) with valley detection to reduce the , and low mains. For the PFC operating in Quasi Resonant mode the maximum peak current can be , variable frequency controller that can operate in Quasi Resonant (QR) or Discontinuous Conduction mode , valley switching quasi resonant output power 014aaa158 Fig 12. Operation modes flyback At 
NXP Semiconductors Original 

AN10789 tea1751 flyback pfc sensing voltage auxiliary winding TEA1751T flyback pfc using constant ontime schematic circuit diagram optocoupler, pfc TEA1751 SO16 
transformer EC28Abstract: TDK PC44 significantly improved compared to conventional free running quasi resonant converter implemented with only , Board with Quasi Resonant PWM Controller ICE2QS01, Infineon Technologies AG, 2006 [5] Converter , application note is a description of 40W switching mode power supply evaluation board designed in a quasi resonant flyback converter topology using ICE2QR0665 Quasiresonant CoolSET®.The target application of , . Due to the resonant capacitor C10 paralled to MOSFET drain souce pin, the overshoot is relatively 
Infineon Technologies Original 

EVALQRCICE2QR0665 SMR4503 EVALQRC40WICE2QR0665 transformer EC28 TDK PC44 230v to 18v step down transformer smd diode r5a 40W20V EN55022 CISPR22 
BEER281110CPFRAbstract: B32922C3104K000 significantly improved compared to conventional free running quasi resonant converter implemented with only , , 2008 [4] ANICE2QS01, 25W Evaluation Board with Quasi Resonant PWM Controller ICE2QS01, Infineon , application note is a description of 40W switching mode power supply evaluation board designed in a quasi resonant flyback converter topology using ICE2QR0665 Quasiresonant CoolSET®.The target application of , . Due to the resonant capacitor C10 paralled to MOSFET drain souce pin, the overshoot is relatively 
Infineon Technologies Original 

BEER281110CPFR B32922C3104K000 PC40 TDK B32922C3224K000 tdk BOBBIN IT 8755 E ICE2QS02G AG2008 
E36/18/11Abstract: SFH6173 conventional free running quasi resonant converter implemented with only maximum switching frequency , PWM pulse is generated by the 8pin Quasi Resonant PWM curremtmode Controller ICE2QS02G. It , ] ICE2QS02G datasheet, Infineon Technologies AG, 2008 [3] ANICE2QS01, 25W Evaluation Board with Quasi Resonant PWM Controller ICE2QS01, Infineon Technologies AG, 2006 [4] CoolMOS® IPA60R199CP datasheet 
Infineon Technologies Original 

E36/18/11 E36/18/11 Core ICE2QS02 80w audio amplifier circuit diagram pin diagram of 7804 choke 220uh 6A EVALQRSICE2QS02G80W 
ir90sq045Abstract: mosfet 12w smd a quasi resonant flyback converter topology using ICE2QR4765 Quasiresonant CoolSET®.The target , the entire load range, is significantly improved compared to conventional free running quasi resonant , , 2008 [4] ANICE2QS01, 25W Evaluation Board with Quasi Resonant PWM Controller ICE2QS01, Infineon 
Infineon Technologies Original 

EVALQRCICE2QR4765 ir90sq045 mosfet 12w smd 12W SMD MOSFET 6 PIN SMD IC FOR SMPS UF4005 smd transistor SMD 12W MOSFET 12W5V 
NCP1337PAbstract: NCP1337PG .7 5.1 Quasi resonant operation .7 , Rev 1 6 TND315/D 5 Overcoming limitations with NCP1337 5.1 Quasi resonant operation Valley switching converters, also known as quasi resonant (QR) converters, allow designing flyback 
ON Semiconductor Original 

NCP1337P NCP1337PG TND315 BCK4201304 BCK4201 orega flyback transformer 
TEA1791Abstract: tea1761 rectification on the secondary side of discontinuous conduction mode and quasi resonant flyback converters 
NXP Semiconductors Original 

TEA1762 TEA1791 TEA1761T TEA1762T PHP45NQ10T tea1761 Silicon on insulator TEA1761 PSMN015 
TEA1762TAbstract: mode and quasi resonant ï¬'yback converters, they provide you with a proven solution that helps 
Philips Semiconductors Original 


Abstract: noload power to < 20 mW or even lower `` Quasi Resonant mode, NXPpatented true valley switching 
NXP Semiconductors Original 

TEA1836 TEA18361 TEA18362 TEA18363 
LCD 16PINAbstract: ax754 . The CCFT power mesh architecture is a quasi resonant unipolar scheme. It can provide up to 10W or more 
 OCR Scan 

LCD 16PIN ax754 CCFT MAX753/MAX754 MAX753 AX754 AX753/MAX754 1200V MAX754 
LCD 16PINAbstract: lcd 2 x 16 control ic efficiency. The CCFT power mesh architecture is a quasi resonant unipolar scheme. It can prwide up to 10Wa 
 OCR Scan 

lcd 2 x 16 control ic monochromatic lcd 
TEA1507Abstract: philips 3C85 ferrite material APPLICATION NOTE A 75W Quasi Resonant TEA1506 based flyback Converter for TV Applications , _1 A 75W QR TEA1506 based SMPS APPLICATION NOTE A 75W Quasi Resonant TEA1506 based flyback , .20 3. DESIGN OF A 75 WATT QUASI RESONANT POWER SUPPLY , flyback, Quasi Resonant flyback etc.) can be used to realize an SMPS as described above. The combination of universal mains, low cost and high efficiency implies more or less for a Quasi Resonant flyback 
Philips Semiconductors Original 

AN10268 TSL0707 TEA1507 philips 3C85 ferrite material smps control ic tea1506 T 600 watt smps schematic flyback transformer philips tea1506 smps control ic tea1506 TP97036 2/W97 CE422 TSL070933K1R9 
ICE2QS03GAbstract: EVALQRSICE2QS03G load range is significantly improved compared to conventional free running quasi resonant converter , . 5.2 PWM Control The PWM pulse is generated by the 8pin Quasi Resonant PWM curremtmode 
Infineon Technologies Original 

EVALQRSICE2QS03G ICE2QS03G EVALQRS36WICE2QS03G IPP60R600CP Epcos N87 ICE2QS03 600w switch mode power supply circuit diagram ANEVALQRCICE2QR0665 
KA5Q0765RTAbstract: ka5q1265rf , productivity, and system reliability. It has a basic platform well suited for costeffective design in quasi resonant converter as CTV power supply. Quasi Resonant Converter Controller Internal Burst Mode 
Fairchild Semiconductor Original 

KA5Q1565RF ka5q1265rf KA5Q0765RTYDTU 146a 12v 5a smps KA5Q0765RTTU KA5Q0765RT/KA5Q12656RT/KA5Q1265RF/ 
KA5Q1565RFAbstract: KA5Q1265RF application note www.fairchildsemi.com KA5QSERIES KA5Q0765RT/KA5Q12656RT/KA5Q1265RF/ KA5Q1565RF Fairchild Power Switch(FPS) Features · · · · · · · · · Quasi Resonant Converter Controller Internal Burst Mode Controller for Standby Mode Pulse by Pulse Current Limiting Over Current Latch Protection Over Voltage Protection (Vsync: Min. 11V) Internal Thermal Shutdown Function Under Voltage Lockout Internal High Voltage , basic platform well suited for costeffective design in quasi resonant converter as CTV power supply 
Fairchild Semiconductor Original 

KA5Q1265RF application note ka5q1265 
KA5Q0765Abstract: KA5Q0765RT , productivity, and system reliability. It has a basic platform well suited for costeffective design in quasi resonant converter as CTV power supply. Quasi Resonant Converter Controller Internal Burst Mode 
Fairchild Semiconductor Original 

KA5Q0765 KA5Q0765R ydtu 12A 650V MOSFET KA5Q1565 
TEA1791Abstract: LL4148 nxp secondary side of Discontinuous Conduction Mode (DCM) and quasi resonant flyback converters. The TEA1791T , synchronous rectification to be used in quasi resonant and discontinuous conduction mode flyback converters 
NXP Semiconductors Original 

AN10781 LL4148 nxp sr smd diode CNX82A LL4148 PSMN015100P 
viper15Abstract: Quasiresonant flyback transformer meet the standby energy saving regulations. The Quasi resonant feature reduces EMI filter cost , 7.6 Quasi resonant operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , Quasi resonant operation The control core of the VIPER15 is a currentmode PWM controller with a zero , function and valley skipping mode In quasi resonant mode, the switching frequency is not fixed and depends , . Double TBLANK timing diagram Quasi Resonant Operation Mosfet switched on by the starter Vaux t 
STMicroelectronics Original 

Quasiresonant flyback transformer FB100 
viper15Abstract: standby energy saving regulations. The Quasi resonant feature reduces EMI filter cost. Brownout and , 7.6 Quasi resonant operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , 7.6 Quasi resonant operation The control core of the VIPER15 is a currentmode PWM controller with , locked to transformer demagnetization, hence setting up quasi resonant operation. As protection, in , Operation descriptions 7.7 VIPER15 Frequency foldback function and valley skipping mode In quasi 
STMicroelectronics Original 


Abstract: device very low consumption helps to meet the standby energy saving regulations. The Quasi resonant , . . . . 17 7.6 Quasi resonant operation . . . . . . . . . . . . . . . . . . . . . . . . . . . , Pin t t t 4.8 V 3.3 V t 7.6 Quasi resonant operation The control core of the , locked to transformer demagnetization, hence setting up quasi resonant operation. As protection, in , Operation descriptions 7.7 VIPER15 Frequency foldback function and valley skipping mode In quasi 
STMicroelectronics Original 


Abstract: NCP1378 PWM Current Mode Controller for Free Running Quasi Resonant Operation The NCP1378 combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi Resonant operation). , '· ï'· ï'· ï'· ï'· ï'· ï'· ï'· ï'· Free Running Borderline/Critical Mode Quasi Resonant , feedback loop design. ï'· Quasi Resonant Operation: By delaying the turn on event, it is possible to 
ON Semiconductor Original 

NCP1378/D 
7555 low power timer icAbstract: NCP1378 NCP1378 PWM Current Mode Controller for Free Running Quasi Resonant Operation The NCP1378 combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi Resonant operation). , Free Running Borderline/Critical Mode Quasi Resonant Operation Latched Overvoltage Protection Auto , system and accordingly eases the feedback loop design. Quasi Resonant Operation: By delaying the 
ON Semiconductor Original 

7555 low power timer ic NCP1378DR2G NCP1378PG 
mosfet b44Abstract: C2283 Datasheet Primary Side Sensing SMPS Controller with MOSFET Drive KEY FEATURES AND ADVANTAGES â'¢ Advanced primary sensing controller achieves accurate regulation without an optocoupler â'¢ Constant power feature o Optimised for fast startup in to constant power loads with large capacitance o C2283PX2 SOT236 Supports motor drive applications â'¢ Compensates for output cable voltage drop â'¢ Optimised PWM/PFM with quasi resonant switching enables efficiency standards compliance 
Cambridge Semiconductor Original 

mosfet b44 DS49031209A 
Quasiresonant flyback transformerAbstract: thermistor NTC th1 DN06008/D Design Note DN06008/D +/ 18 V, Dual Output Power Supply Device NCP1308 Application Input Voltage Audio Amp Power Supply +/18V 90 to 270 Vac Output Power Topology I/O Isolation 45 W, 90 W peak Quasi Resonant Flyback Yes Other Specifications Output 1 Output 2 Output 3 Output 4 +18 V 
ON Semiconductor Original 

NCP1218 thermistor NTC th1 CRITICAL CONDUCTION MODE flyback transformer less power supply 12 volt 5a ferroxcube bobbin transformers used for dual tracking power supply sp8n80c3 
zvs flyback driverAbstract: L6566BH EVL6566B40WSTB EVL6566B65WQR Description 40 W wide input range flyback converter 65 W quasi resonant flyback converter © STMicroelectronics  May 2010  Printed in Italy  All rights reserved The 
STMicroelectronics Original 

L6566BH zvs flyback driver BCD6 SO16N Package L6566B flyback transformer diagram SO16N L6566BHTR FLL6566BH0510 
PWM controller sot236Abstract: C2183 C2183 Datasheet Primary Sensing SMPS Controller for Offline Applications KEY FEATURES AND ADVANTAGES · Advanced primary sensing control circuitry achieves accurate voltage and current (CV and CC) regulation without an optocoupler · Optimised PWM/PFM with quasi resonant switching enables efficiency standards compliance with margin · Switching frequency dither eases design for low EMI · Inherently low ripple · Best in class loadtransient performance · Noload power less than 100 mW · Enables consumer 
Cambridge Semiconductor Original 

C2183PX2 PWM controller sot236 EFD15 TRANSFORMER C2183 testing smps circuit smps controller sot236 DS43721209 
tea1761Abstract: TEA1761T and quasi resonant flyback converters. Besides electronics for synchronous rectification, it also has , can also be used in all other discontinuous conduction mode and quasi resonant flyback systems that , used in discontinuous conduction mode and quasi resonant flyback converters. Besides controlling the 
NXP Semiconductors Original 

SMPS flyback transformer medical flyback transformer for medical smps control ic With MOSFET Driver 
TEA1762TAbstract: SMPS flyback transformer medical and quasi resonant flyback converters. Besides electronics for synchronous rectification, it also has , also be used in all other discontinuous conduction mode and quasi resonant flyback systems that demand , quasi resonant flyback converters. Besides controlling the SR MOSFET, the TEA1762T contains the voltage 
NXP Semiconductors Original 

opto mosfet 710 opto coupler 
SMPS SOT236Abstract: constant current smps circuit diagram C2283 Datasheet Primary Side Sensing SMPS Controller with MOSFET Drive KEY FEATURES AND ADVANTAGES · Advanced primary sensing controller achieves accurate regulation without an optocoupler · Constant power feature o o Optimised for fast startup in to constant power loads with large capacitance Supports motor drive applications C2283PX2 SOT236 · Compensates for output cable voltage drop · Optimised PWM/PFM with quasi resonant switching enables efficiency standards compliance with margin · 
Cambridge Semiconductor Original 

constant current smps circuit diagram sot236 CAMSEMI cP SOT236 Transformer ee19 Primary Sensing SMPS Controller 
Abstract: ) function for very low noload power applications â'¢ Optimised PWM/PFM with quasi resonant switching 
Cambridge Semiconductor Original 

C2173 DS57061403 
flyback smpsAbstract: STEVALISA057V1 on the L6565 PWM driver working in quasi resonant mode, it means zero voltage switching or at least 
STMicroelectronics Original 

STEVALISA057V1 STC03DE220HV STC03DE22HV flyback smps st smps EN60950 
22uF 400VAbstract: filter lf101 . signal Quasi Resonant Converter Current sensing method Current sensing with SenseFET Built in 
Fairchild Semiconductor Original 

22uF 400V filter lf101 KA7805 transistor ka7805 C107 Series D206 150KH 
Abstract: C2183 Datasheet Primary Sensing SMPS Controller for Offline Applications KEY FEATURES AND ADVANTAGES â'¢ Advanced primary sensing control circuitry achieves accurate voltage and current (CV and CC) regulation without an optocoupler â'¢ Optimised PWM/PFM with quasi resonant switching enables efficiency standards compliance with margin â'¢ Switching frequency dither eases design for low EMI â'¢ Inherently low ripple C2183PX2 SOT236 â'¢ Best in class loadtransient performance â'¢ Noload power 
Cambridge Semiconductor Original 


Flyback Transformer Design FOR QR ICAbstract: tea1750 application note description and calculation The PFC operates in Quasi Resonant (QR) mode or Discontinuous Conduction mode , maximum PFC peak current at the high load and low mains. For the PFC operating in Quasi Resonant mode the , calculation The flyback of the TEA1750 is a variable frequency controller that can operate in Quasi Resonant , with valley switching quasi resonant output power 014aaa025 Fig 12. Operation modes flyback , Quasi Resonant (QR) mode. The next primary switching cycle starts at detection of the first valley. By 
NXP Semiconductors Original 

AN10782 Flyback Transformer Design FOR QR IC tea1750 application note PFc lcd TV TV flyback transformer problem with active clamp flyback pfc HV Flyback schematic 
ka5q1265rtAbstract: ka5q1265 Quasi Resonant Converter Controller Autorestart mode BLOCK DIAGRAM 3 + Sync. REF. 5 
Fairchild Semiconductor Original 

Fairchild SPS 5 pins Quasi Resonant Converter 
Abstract: 16 package. Both controllers operate in Quasi Resonant (QR) / Discontinuous Conduction Mode (DCM) mode with , The PFC operates in Quasi Resonant (QR) or Discontinuous Conduction Mode (DCM) with valley detection , Quasi Resonant mode the maximum peak current can be calculated with equation: Ip QR ï'¨ PFC ï'©max , TEA1751(L)T is a variable frequency controller that can operate in Quasi Resonant (QR) or Discontinuous , discontinuous with valley switching quasi resonant output power 014aaa158 Fig 12. Operation modes 
NXP Semiconductors Original 


stry6473Abstract: stry647 Power IC for QuasiResonant Type Switching Power Supply with High Efficiency, Low Noise and Low Standby Power in Full Load Range STRY6473 Sep, 2013 âGeneral Descriptions âPackage The STRY6473 is power IC for quasiresonant switching type power supplies, incorporating a power MOSFET and a controller IC. The product is automatically switched to the quasi resonant operation, one bottom skip quasi resonant operation and two bottom skip operation in normal operation, and to the burst oscillation 
Sanken Electric Original 

stry6473 stry647 FMS207 
Abstract: platform well suited for costeffective design in quasi resonant converter as CTV power supply. Quasi Resonant Converter Controller Internal Burst Mode Controller for Standby Mode Pulse by Pulse Current 
Fairchild Semiconductor Original 


KA5QSERIESAbstract: ka5q1265rf , productivity, and system reliability. It has a basic platform well suited for costeffective design in quasi resonant converter as CTV power supply. Quasi Resonant Converter Controller Internal Burst mode 
Fairchild Semiconductor Original 

KA5Q0765RTYDTU KA5Q12656RT KA5Q12656RTTU 
STRY6456Abstract: Power IC for QuasiResonant Type Switching Power Supply with High Efficiency, Low Noise and Low Standby Power in Full Load Range STRY6456 Sep, 2013 âGeneral Descriptions âPackage The STRY6456 is power IC for quasiresonant switching type power supplies, incorporating a power MOSFET and a controller IC. The product is automatically switched to the quasi resonant operation, one bottom skip quasi resonant operation and two bottom skip operation in normal operation, and to the burst oscillation 
Sanken Electric Original 


STRY6453Abstract: Power IC for QuasiResonant Type Switching Power Supply with High Efficiency, Low Noise and Low Standby Power in Full Load Range STRY6453 Sep, 2013 âGeneral Descriptions âPackage The STRY6453 is power IC for quasiresonant switching type power supplies, incorporating a power MOSFET and a controller IC. The product is automatically switched to the quasi resonant operation, one bottom skip quasi resonant operation and two bottom skip operation in normal operation, and to the burst oscillation 
Sanken Electric Original 

STRY6453 
STRY6476Abstract: STRY6476 Power IC for QuasiResonant Type Switching Power Supply with High Efficiency, Low Noise and Low Standby Power in Full Load Range STRY6476 Sep, 2013 âGeneral Descriptions âPackage The STRY6476 is power IC for quasiresonant switching type power supplies, incorporating a power MOSFET and a controller IC. The product is automatically switched to the quasi resonant operation, one bottom skip quasi resonant operation and two bottom skip operation in normal operation, and to the burst oscillation 
Sanken Electric Original 

STRY6476 
Abstract: and quasi resonant flyback converters. Besides electronics for synchronous rectification, it also has , in all other discontinuous conduction mode and quasi resonant flyback systems that demand a highly , controller for synchronous rectification to be used in discontinuous conduction mode and quasi resonant 
Philips Semiconductors Original 


str TV SMPS design exampleAbstract: EER 3540 R2 R1 Q Picture ON Figure 1. Basic Quasi Resonant Converter Using KA5Qseries (Color TV , drain current, secondary diode current and the MOSFET drain voltage of a Quasi Resonant Converter , . The Typical Waveform of MOSFET Drain Voltage for Quasi Resonant Converter ©2005 Fairchild , employs a quasi resonant switching technique to minimize the switching noise as well as switching loss , resonant period of the MOSFET's effective output capacitance and primary side inductance. By increasing 
Fairchild Semiconductor Original 

AN4149 str TV SMPS design example EER 3540 str TV SMPS optocoupler 817a schematic diagram of ctr flyback tv EER53 H11A817A KA431 
tea1742Abstract: MHR resistor controller · Quasi Resonant (QR)/ Discontinuous Conduction Mode (DCM) operation with valley switching , in Quasi Resonant (QR) or Discontinuous Conduction Mode (DCM) with valley detection to minimize , )max = the maximum PFC peak current at high load and low mains. For the PFC operating in Quasi Resonant mode the maximum peak current can be calculated using the following equation: AN10790 
NXP Semiconductors Original 

tea1742 MHR resistor design of triggering circuit of mosfet IEC6100032 TEA1742T 
Siemens Ferrite n67Abstract: Siemens Ferrite n67 RM design opportunities, especially for (quasi) resonant circuits. Advances in materials have thus brought , output stability. In many applications, only one special output voltage is required. In resonant 
Siemens Matsushita Components Original 

Siemens Ferrite n67 Siemens Ferrite n67 RM ferrite n67 n27 ferrite Siemens Ferrite n27 u93 FERRITES N67 
HDMI2C15DIJAbstract: VIPER27L ) 8.5 23.5 20 from 0.2 to 0.4 (settable) limited to 136 Quasi resonant 70 Flyback , 0.2 to 0.4 (settable) limited to 225 Quasi resonant 70 Flyback Pulse Burst mode , 136 Quasi resonant 70 Flyback Pulse Burst mode VIPER25HN DIP7 15 800 (avalanche rugged) 8.5 23.5 8 from 0.2 to 0.7 (settable) limited to 225 Quasi resonant 
STMicroelectronics Original 

LISY300AL HDMI2C15DIJ VIPER27L QFN4x424 STMPE821 VIPER22A RS232 TSSOP20 STMEC001ATTR LIS302DL LIS3LV02DL LGA14 
ST33F1MAbstract: HDMI2C15DIJ ) 8.5 23.5 20 from 0.2 to 0.4 (settable) limited to 136 Quasi resonant 70 Flyback , 0.2 to 0.4 (settable) limited to 225 Quasi resonant 70 Flyback Pulse Burst mode , 136 Quasi resonant 70 Flyback Pulse Burst mode VIPER25HN DIP7 15 800 (avalanche rugged) 8.5 23.5 8 from 0.2 to 0.7 (settable) limited to 225 Quasi resonant 
STMicroelectronics Original 

ST1S10PHR STEVALCCA005V1 ST33F1M ISO 7816 I2C lm833 in audio amplifier SerialInterfaced 6Digit LED controller with key ST23ZL48 ST23yt66 STEVALISA044V2 ST1S10 STEVALISA045V1 ST1S09 STEVALISA045V2 
PM8903Abstract: ST33F1M 136 Quasi resonant 70 Flyback Pulse Burst mode VIPER15HN DIP7 8 800 (avalanche rugged) 8.5 23.5 20 from 0.2 to 0.4 (settable) limited to 225 Quasi resonant , 8 from 0.2 to 0.7 (settable) limited to 136 Quasi resonant 70 Flyback Pulse , (settable) limited to 225 Quasi resonant 70 Flyback Pulse Burst mode VIPER28LN DIP 
STMicroelectronics Original 

PM8903 LIS3DH LSM303DLH STMPE24M31 STPS2L40A ST1S40 STM1403 UPSD3422EV STEVALCCA004V1 TSH120 TSH173 STEVALCCA006V1 
9R340CAbstract: d92 02 IPI90R340C3 CoolMOSTM Power Transistor Features · Lowest figureofmerit R ON x Qg · Extreme dv/dt rated · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant · Worldwide best R DS,on in TO262 (I2Pak) · Ultra low gate charge Product Summary V DS @ T J=25°C R DS(on),max @T J=25°C Q g,typ 900 0.34 94 V nC PGTO262 CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer 
Infineon Technologies Original 

9R340C d92 02 diode d92 02 diode d92 d92 02 diode 
9r1k2cAbstract: IPW90R1K2C3 IPW90R1K2C3 CoolMOSTM Power Transistor Features · Lowest figureofmerit R ON x Qg · Extreme dv/dt rated · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant · Ultra low gate charge Product Summary V DS @ T J=25°C R DS(on),max @T J=25°C Q g,typ 900 1.2 29 V nC PGTO247 CoolMOS C3 is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications Type IPW90R1K2C3 Package 
Infineon Technologies Original 

9r1k2c sevcon 
9R1K2CAbstract: IPW90R1K2C3 IPW90R1K2C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 1.2 Q g,typ · Extreme dv/dt rated V R DS(on),max @T J=25°C · Lowest figureofmerit R ON x Qg 900 28 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

JESD22 DIODE D28 
SW6N70Abstract: PCH477M6R3S1AGE08K DN05073/D Design Note â'" DN05073/D Universal AC Input, 5.3V2A Output, 10.6 Watt Charger Device Application Input Voltage Output Power Topology I/O Isolation NCP1360BBCC NCP1360BCCC Mobile, tablet Charger, adapter 90 to 264 Vac 10.6W Quasi Resonant Flyback Yes Item Rated Input Voltage Input Voltage Range Input Frequency Range Inrush Current Average Efficiency Average Eff. At cable end Standby Power Output Voltage Output Current Rated Output Power 
ON Semiconductor Original 

SW6N70 PCH477M6R3S1AGE08K NCP1360 NCP1360/5 
d92 02Abstract: FA400 IPP90R340C3 CoolMOSTM Power Transistor Features · Lowest figureofmerit R ON x Qg · Extreme dv/dt rated · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant · Worldwide best R DS,on in TO220 · Ultra low gate charge Product Summary V DS @ T J=25°C R DS(on),max @T J=25°C Q g,typ 900 0.34 94 V nC PGTO220 CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

FA400 
9R1K2cAbstract: IPD90R1K2C3 IPD90R1K2C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 1.2 Q g,typ · Extreme dv/dt rated V R DS(on),max @T J=25°C · Lowest figureofmerit R ON x Qg 900 28 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO252 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

DIODE D28 08 d28 diode DD50 
9R500CAbstract: 9R500 IPI90R500C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.5 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 68 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO262 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

9R500C 9R500 
9R120CAbstract: IPW90R120C3 IPW90R120C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.12 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J=25°C · Lowest figureofmerit R ON x Qg 900 260 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Worldwide best R DS,on in TO247 · Ultra low gate charge CoolMOS C3 is designed for: · Quasi Resonant Flyback / Forward topologies · PC 
Infineon Technologies Original 

9R120C 9r120 CoolMOS Power Transistor IPW90R120C3 INFINEON 900 V 36 A IPW90R120C3 INFINEON 
STRS6707 circuit diagramAbstract: F6654 STRS6703 AND STRS6704 OFFLINE SWITCHING REGULATORS  WITH BIPOLAR SWITCHING TRANSISTOR COLLECTOR Data Sheet 28113.1 The STRS6703 and STRS6704 are specifically designed to meet the requirement for increased integration and reliability in offline quasi resonant flyback converters. These devices incorporate the primary control and proportional drive circuit with a thirdgeneration highvoltage bipolar switching transistor. Crucial system parameters such as maximum ON tim e and OFF time are 
 OCR Scan 

STRS6707 circuit diagram F6654 strs6707 S5708 f6656 FLYBACK APPLICATION NOTES 220/240V 110/120V 
9R340CAbstract: d92 02 IPW90R340C3 CoolMOSTM Power Transistor Features · Lowest figureofmerit R ON x Qg · Extreme dv/dt rated · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant · Ultra low gate charge Product Summary V DS @ T J = 25°C R DS(on),max @ T J=25°C Q g,typ 900 0.34 93 V nC PGTO247 CoolMOS C3 is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications Type IPW90R340C3 Package 
Infineon Technologies Original 

9r34 D92  02 
DIODE D28 08Abstract: DIODE D28 04 IPA90R1K2C3 CoolMOS® Power Transistor Features · Lowest figureofmerit R ON x Qg · Extreme dv/dt rated · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant · Ultra low gate charge Product Summary V DS @ T J=25°C R DS(on),max @T J=25°C Q g,typ 900 1.2 29 V nC PGTO220 FP CoolMOS C3 is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications Type IPA90R1K2C3 Package 
Infineon Technologies Original 

DIODE D28 04 
skm 152 ga 123Abstract: transistor 1502c ) Bidirectional switches Regenerative Braking Quasi resonant inverters (CSI) · · · · 1) 2) Series 
SEMIKRON Original 

skm 152 ga 123 transistor 1502c semikron skm 152 ga 123 semikron skm 152 ga Diode semikron 103 skm 152 ga 1502Q 1502C 
9R1K0cAbstract: IPI90R1K0C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C 1.0 â"¦ Q g,typ â'¢ Extreme dv/dt rated V R DS(on),max @ T J= 25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 34 nC â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant PGTO262 â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant Flyback / Forward topologies â'¢ PC 
Infineon Technologies Original 

9R1K0c 
Abstract: IPP90R1K2C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C 1.2 â"¦ Q g,typ â'¢ Extreme dv/dt rated V R DS(on),max @T J=25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 28 nC â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications PGTO220 â'¢ Pbfree lead plating; RoHS compliant â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant Flyback / Forward topologies â'¢ PC 
Infineon Technologies Original 


9R800CAbstract: IPP90R800C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C 0.8 â"¦ Q g,typ â'¢ Extreme dv/dt rated V R DS(on),max @ T J= 25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 42 nC â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant PGTO220 â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant Flyback / Forward topologies â'¢ PC 
Infineon Technologies Original 

9R800C 
9R800CAbstract: IPA90R800C3 IPA90R800C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.8 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 42 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO220 FP · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer 
Infineon Technologies Original 

D41 marking 
9R800CAbstract: IPW90R800C3 IPW90R800C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.8 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 42 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 


9r340cAbstract: IPI90R340C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C â'¢ Extreme dv/dt rated V R DS(on),max @T J=25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 0.34 â"¦ 94 nC Q g,typ â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant â'¢ Worldwide best R DS,on in TO262 (I2Pak) PGTO262 â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant 
Infineon Technologies Original 


9R800CAbstract: IPA90R800C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C 0.8 â"¦ Q g,typ â'¢ Extreme dv/dt rated V R DS(on),max @ T J= 25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 42 nC â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant PGTO220 FP â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant Flyback / Forward topologies â 
Infineon Technologies Original 


9R120CAbstract: IPW90R120C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C 0.12 â"¦ Q g,typ â'¢ Extreme dv/dt rated V R DS(on),max @ T J=25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 270 nC â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant â'¢ Worldwide best R DS,on in TO247 PGTO247 â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant 
Infineon Technologies Original 

PGTO2473 
9R1K0cAbstract: IPW90R1K0C3 IPW90R1K0C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 1.0 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 34 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 


9R340CAbstract: d92 02 diode IPW90R340C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J = 25°C · Extreme dv/dt rated V R DS(on),max @ T J=25°C · Lowest figureofmerit R ON x Qg 900 0.34 94 nC Q g,typ · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

9r340 d92 02 
KA5Q0765RTAbstract: ka5q0765 Quasi Resonant Converter Controller Autorestart mode BLOCK DIAGRAM 3 + Sync. REF. 5 
Fairchild Semiconductor Original 

resh KA5Q0765* an 
9R1K2CAbstract: 1amj IPI90R1K2C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 1.2 Q g,typ · Extreme dv/dt rated V R DS(on),max @T J=25°C · Lowest figureofmerit R ON x Qg 900 28 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO262 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

1amj 
9R1K0cAbstract: G624 IPP90R1K0C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 1.0 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 34 nC · High peak current capability · Qualified according to JEDEC1) for target applications PGTO220 · Pbfree lead plating; RoHS compliant · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

G624 D33A 
9R800CAbstract: IPP90R800C3 IPP90R800C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.8 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 42 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO220 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 


9r340Abstract: IPP90R340C3 CoolMOSâ"¢ Power Transistor Product Summary Features V DS @ T J=25Â°C â'¢ Extreme dv/dt rated V R DS(on),max @T J=25Â°C â'¢ Lowest figureofmerit R ON x Qg 900 0.34 â"¦ 94 nC Q g,typ â'¢ High peak current capability â'¢ Qualified according to JEDEC1) for target applications â'¢ Pbfree lead plating; RoHS compliant PGTO220 â'¢ Worldwide best R DS,on in TO220 â'¢ Ultra low gate charge CoolMOSâ"¢ 900V is designed for: â'¢ Quasi Resonant 
Infineon Technologies Original 


9R500CAbstract: 9R500 IPW90R500C3 CoolMOSTM Power Transistor Product Summary Features V DS @ T J=25°C 0.5 Q g,typ · Extreme dv/dt rated V R DS(on),max @ T J= 25°C · Lowest figureofmerit R ON x Qg 900 68 nC · High peak current capability · Qualified according to JEDEC1) for target applications · Pbfree lead plating; RoHS compliant PGTO247 · Ultra low gate charge CoolMOSTM 900V is designed for: · Quasi Resonant Flyback / Forward topologies · PC Silverbox and consumer applications · 
Infineon Technologies Original 

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