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L4981A Datasheet

Part Manufacturer Description PDF Type
L4981A STMicroelectronics POWER FACTOR CORRECTOR Original
L4981A STMicroelectronics POWER FACTOR CORRECTOR Original
L4981A STMicroelectronics POWER FACTOR CORRECTOR Original
L4981A STMicroelectronics POWER FACTOR CORRECTOR Original
L4981A STMicroelectronics POWER FACTOR CORRECTOR Scan
L4981A STMicroelectronics POWER FACTOR CORRECTOR Scan
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Original
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Original
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Original
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Original
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Scan
L4981AD STMicroelectronics POWER FACTOR CORRECTOR Scan
L4981AD013TR STMicroelectronics Power Factor, Very High Power Factor up to 0.99, SOIC, 20-Pin, Tape and Reel Original
L4981AD013TR STMicroelectronics POWER FACTOR CORRECTOR Original

L4981A

Catalog Datasheet MFG & Type PDF Document Tags

PFC 3kw

Abstract: L4981A for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM March 1997 1/17 L4981A - L4981B put , ) Sync. Voltage (L4981A) Voltage at pin 2 Voltage at Pin 2 t = 1µs Ptot Power Dissipation at Tamb
STMicroelectronics
Original
L4981 L4981X L4981XD PFC 3kw 3kw pfc L4981 PFC L4981A APPLICATION NOTES DIP20

boost uc3842 application note

Abstract: uc3842 power factor AN832 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna Devices Description In most of , the other producing some potential problem (eg. interferences, beating etc.). The L4981A controller , consideration how to interface the L4981A with other PWM controllers each requiring different interconnections , with L4981A are used, different situations can be considered : The PFC controller L4981A is the master , ., the two sync. pins can be simply wired together. The L4990 is the master and the L4981A is the slave
STMicroelectronics
Original
1N4148 boost uc3842 application note uc3842 power factor uc3842 application circuit uc3842 uc3842 smps uc3842 application note UC3842 D95IN295A D95IN296B D95IN297A

boost uc3842 application note

Abstract: boost with uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION In most of SMPS using power factor correction, the , . interferences, beating etc.). The L4981A controller is provided with an input/output (I/O) synchronization pin , synchronised configuration. Let us take into consideration how to interface the L4981A with other PWM , without any dedicated pin for sync.). When L4990 with L4981A are used, different situations can be considered : The PFC controller L4981A is the master and the L4990 is the slave (see fig. 1). Since the L4990
STMicroelectronics
Original
boost with uc3842 D95IN296A D95IN297

PFC 3kw

Abstract: L4981A for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B ® POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM September 1998 1/17 L4981A - L4981B , Sync. Voltage (L4981A) -0.3 to 7 V V IPK 2 Voltage at pin 2 Voltage at Pin 2 t = 1µs
STMicroelectronics
Original
12v to Amplifier 200w circuit diagrams p600m DIODE Zener 5.1V larcet 501 200w diode P600M DC

L4981A APPLICATION NOTES

Abstract: L4981B programmed using a simple resistor for L4981A. For a better precision and for L4981B an external divider , L4981A L4981B POWER FACTOR CORRECTOR ADVANCE DATA CONTROL BOOST PWM UP TO 0.99P.F. LIMIT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency , without notice. L4981A - L4981B put filter; both the operating frequency modes working with an , mA VSYNC 16 Sync. Voltage (L4981A) -0.3 to 7 V VIPK 2 Voltage at pin 2
STMicroelectronics
Original
200w power amplifier circuit diagram SO20 774kHz

L4981A

Abstract: larcet programmed using a simple resistor for L4981A. For a better precision and for L4981B an external divider , L4981A L4981B POWER FACTOR CORRECTOR ADVANCE DATA CONTROL BOOST PWM UP TO 0.99P.F. LIMIT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency , without notice. L4981A - L4981B put filter; both the operating frequency modes working with an , (L4981B) 5 mA VSYNC 16 Sync. Voltage (L4981A) -0.3 to 7 V VIPK 2 Voltage at
STMicroelectronics
Original

L4981A

Abstract: uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna In most of SMPS using power factor , some potential problem (eg. interferences, beating etc.). The L4981A controller is provided with an , to interface the L4981A with other PWM controllers each requiring different interconnections. The , L4981A are used, different situations can be considered : The PFC controller L4981A is the master and , ., the two sync. pins can be simply wired together. The L4990 is the master and the L4981A is the
STMicroelectronics
Original
uc3842 boost UC3842 SGS pwm contoller circuits

boost uc3842 application note

Abstract: uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna Let us take into consideration how to interface the L4981A with other PWM controllers each requiring different interconnections. The devices , L4981A are used, different situations can be considered : The PFC controller L4981A is the master and , ., the two sync. pins can be simply wired together. The L4990 is the master and the L4981A is the , .). The L4981A controller is provided with an input/output (I/O) synchronization pin (see datasheet
STMicroelectronics
Original

diode P600M DC

Abstract: B1ET3411A for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM March 1997 1/17 L4981A - L4981B put , Sync. Voltage (L4981A) -0.3 to 7 V V IPK 2 Voltage at pin 2 Voltage at Pin 2 t = 1µs
STMicroelectronics
Original
B1ET3411A 200w power amplifier PCB layout core i3 diode p600m PFC controller dip-20
Abstract: /17 L4981A- L4981B put filter; both the operating frequency modes working with an average current , ¡ â¡ â¡ GDRU UCC COSC ROSC FREQ-MOD P-UULO UFEED UA-OUT SS UREF L4981A- L4981B , # iM ffiH iiu T © in S in @ iCR iü (E 3/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS (Unless , 140 UA 0.1 0.25 V L4981A- L4981B ELECTRICAL CHARACTERISTICS (continued) Symbol , # S ö @ lC R lü (E ä ffiH llU T © lö S 5/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS -
OCR Scan

stm12nm50

Abstract: DZW06-48 for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B ® POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM November 2001 1/16 L4981A - L4981B put , ) Sync. Voltage (L4981A) Voltage at pin 2 Voltage at Pin 2 t = 1µs Ptot Power Dissipation at Tamb
STMicroelectronics
Original
stm12nm50 DZW06-48 NTC 15 5.3V zener 5tta5060 l4981 AN628

dzw*06

Abstract: stm12nm50 for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B ® POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM November 2001 1/16 L4981A - L4981B put , Sync. Voltage (L4981A) -0.3 to 7 V V IPK 2 Voltage at pin 2 Voltage at Pin 2 t = 1µs
STMicroelectronics
Original
dzw*06 220uF 450v D93IN029C T15A250V 220k 400V diode byt 11600
Abstract: for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B ® POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM November 2001 1/16 L4981A - L4981B put , 16 2 Sync. Voltage (L4981A) Voltage at pin 2 Voltage at Pin 2 t = 1µs -0.3 to 7 -0.3 to STMicroelectronics
Original

diode byt 11600

Abstract: diode P600M DC for L4981A. For a better precision and for L4981B an external divider must be used. ABSOLUTE , L4981A L4981B ® POWER FACTOR CORRECTOR CONTROL BOOST PWM UP TO 0.99P.F. LIMIT LINE CURRENT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the size of the in- BLOCK DIAGRAM October 2000 1/17 L4981A - L4981B put , Sync. Voltage (L4981A) -0.3 to 7 V V IPK 2 Voltage at pin 2 Voltage at Pin 2 t = 1µs
STMicroelectronics
Original
STTA5 C12 IC GATE 5L NTC 1.8K 100uF 400V capacitor ntc 1.8k temperature versus to resistance

3kw smps pfc

Abstract: 3kw half bridge smps programmed using a simple resistor for L4981A. For a better precision and for L4981B an external divider , L4981A L4981B POWER FACTOR CORRECTOR ADVANCE DATA CONTROL BOOST PWM UP TO 0.99P.F. LIMIT , . This new PFC offers the possibility to work at fixed frequency (L4981A) or modulated frequency , without notice. L4981A - L4981B put filter; both the operating frequency modes working with an , (L4981B) 5 mA VSYNC 16 Sync. Voltage (L4981A) -0.3 to 7 V VIPK 2 Voltage at
STMicroelectronics
Original
3kw smps pfc 3kw half bridge smps irf740 pins connections pwm power MOSFET IRF740 driver circuit D94IN049A 3kw pfc using l4981 application note L6560 L6560A

L4981 PFC

Abstract: L4981 Copyrighted By Its Respective Manufacturer L4981A- L4981B ELECTRICAL CHARACTERISTICS (continued) Symbol , Material Copyrighted By Its Respective Manufacturer L4981A- L4981B Figure 3: MULTI-OUT vs. Iac (Vrms , scs-thomson 5s«CB@(3li1câ"¢@ibi)SS This Material Copyrighted By Its Respective Manufacturer L4981A- L4981B , ses-Thomson â 7M OSlICB@(HLIlCâ"¢@IBItES This Material Copyrighted By Its Respective Manufacturer L4981A- , Copyrighted By Its Respective Manufacturer L4981A- L4981B S020 PACKAGE MECHANICAL DATA DIM. mm inch
-
OCR Scan
l49818 larcet power supply 438i S020 3kw pfc L4981 3kw half bridge Switching mode power supply

L4981A-L4981B

Abstract: L4981 PFC 380 400 JACt/jft) tp in 4 ) 7 /1 7 SGS-IHOMSON L4981A-L4981B Figure 9A: L4981A Power , notice. L4981A-L4981B put filter; both the operating frequency modes working with an average current , and overcurrent. The overcurrent level can be programmed using a simple resistor for L4981A. For a , SGS-ÏHOMSON R»DismigiuEamocs 3/17 L4981A-L4981B ELECTRICAL CHARACTERISTICS (Unless otherwise , 5/17 L4981A-L4981B ELECTRICAL CHARACTERISTICS (continued) Symbol M U LTIPLIER SECTION M
-
OCR Scan
dip 16 pin15 vcc st microelectronics MOSFET 31N
Abstract: ROSC SVNC 1/17 L4981A- L4981B put filter; both the operating frequency modes working with an , ROSC FREQ-MOD P-UULO UFEED UA-OUT SS UREF L4981A- L4981B THERM AL DATA Symbol Param eter , power stages. 3/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS (Unless otherwise specified Vcc = , Saturation Voltage V3 = 6 V, Iss = 2m A 60 100 140 IxA 0 .1 0.25 V L4981A- , b e o b s e rv e d . 5/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS ( c o n tin u e d -
OCR Scan

L4981 PFC

Abstract: l4981a overcurrent. The overcurrent level can be programmed using a simple resistor for L4981A. For a better , SGS-THOMSON L4981A #. Ki00©»H[L[Ì©ir^(Q)[jìQD©S L4981B POWER FACTOR CORRECTOR ADVANCE , offers the possibility to work at fixed frequency (L4981A) or modulated frequency (L4981B) optimizing the ,   This Material Copyrighted By Its Respective Manufacturer L4981A - L4981B put filter; both the , mA vsync 16 Sync. Voltage (L4981A) -0.3 to 7 V vlpk 2 Voltage at pin 2 Voltage at Pin 2 t = 1jis
-
OCR Scan
120KU B1ET3411ATHOMSON STH15NA50 360Kn
Abstract: 611 L4981A-L4981B Figure 9A: L4981A Power Factor Corrector (200W) PART LIST Rs R1 R2 R3 R4 , . The overcurrent level can be programmed using a simple resistor for L4981A. For a better precision , 7 cl2 c 2 3 7 i â¡Gb77'iG TÃS L4981A-L4981B Figure 3: MULTI-OUT vs. Iac (V rms = 4.4V , 16V 63V 63V 16V 400V 100V 1/2W L4981A-L4981B Figure 9B: L4981B Power Factor Corrector , L4981A-L4981B Figure 10: Reference Voltage vs. Source Refer­ ence Current F ig u ra li: Reference Voltage -
OCR Scan
D94IN052

4981b

Abstract: 4981 265V without any line switch. This new PFC offers the possibility to work at fixed frequency (L4981A , Frequency M odulation Sink Current (L4981B) Sync. Voltage (L4981A) Voltage at pin 2 Voltage at Pin 2 t = 1 , dissipation limits must be observed. PIN CONNECTIONS (Top views) L4981A L4981 B P-GND C IPK L 0UP , °c/w PIN FUNCTIONS N. 1 2 Name P-GND IPK Power ground. L4981A peak current limiting. A current , ±30 0.4 65 85 0.9 105 5 mV M'S ma ma td lipK o n ly fo r L4981A o n ly fo r L4981B II
-
OCR Scan
4981b 4981 ET3411
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