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Part Manufacturer Description Datasheet Download Buy Part
LT1249IS8#TR Linear Technology LT1249 - Power Factor Controller; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
LT1248IS Linear Technology LT1248 - Power Factor Controller; Package: SO; Pins: 16; Temperature Range: -40°C to 85°C
LT1248IS#TRPBF Linear Technology LT1248 - Power Factor Controller; Package: SO; Pins: 16; Temperature Range: -40°C to 85°C
LT1249IS8#PBF Linear Technology LT1249 - Power Factor Controller; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
LT1249IS8#TRPBF Linear Technology LT1249 - Power Factor Controller; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C
LT1248CS Linear Technology LT1248 - Power Factor Controller; Package: SO; Pins: 16; Temperature Range: 0°C to 70°C

uc3842 power factor Datasheets Context Search

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2003 - boost uc3842 application note

Abstract: uc3842 power factor uc3842 application circuit uc3842 uc3842 smps uc3842 application note boost with uc3842 UC3842 boost L4981A application uc3842
Text: SMPS using power factor correction, the convertion is accomplished with a PFC stage, in boost topology , provided with I/O sync.) and the UC3842 PWM controller without any dedicated pin for sync.). When L4990 , suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a , synchronizes both the PFC and the PWM controller (L4990 or UC3842 ). This can be a real situation in a TV or , L4981A 8 8.2K 1K UC3842 4 16 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4


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PDF AN832 L4981A pin16 boost uc3842 application note uc3842 power factor uc3842 application circuit uc3842 uc3842 smps uc3842 application note boost with uc3842 UC3842 boost application uc3842
1995 - boost uc3842 application note

Abstract: boost with uc3842 L4990
Text: APPLICATION NOTE L4981A SYNCHRONIZATION In most of SMPS using power factor correction, the , reason the reported circuit is suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a dedicated sync. pin. The suggested circuits are shown in fig. 3 and 4 , example in which an external frequency synchronizes both the PFC and the PWM controller (L4990 or UC3842 ). , and a current mode controller. L4981A 1K 16 MASTER 100 8.2K 4 10nF 8 UC3842 5 SLAVE


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PDF L4981A datasheetpin16 boost uc3842 application note boost with uc3842 L4990
1997 - uc3842

Abstract: boost uc3842 application note uc3842 application circuit uc3842 power factor UC3842 boost L4981A 1N4148 L4990
Text: slave (see fig. 2). In most of SMPS using power factor correction, the convertion is accomplished , the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a dedicated sync , synchronizes both the PFC and the PWM controller (L4990 or UC3842 ). This can be a real situation in a TV or , L4981A 8 8.2K 1K 4 16 UC3842 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4: Current mode controller used as a master sync. UC3842 120 6 470pF MASTER 3.3K L4981A


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PDF L4981A L4990 theUC3842 L4990 uc3842 boost uc3842 application note uc3842 application circuit uc3842 power factor UC3842 boost 1N4148
1997 - L4981A

Abstract: uc3842 boost uc3842 application note uc3842 boost uc3842 power factor UC3842 SGS uc3842 smps uc3842 application circuit uc3842 application note L4990
Text: APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna In most of SMPS using power factor , suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a , frequency synchronizes both the PFC and the PWM controller (L4990 or UC3842 ). This can be a real , controller. 100 L4981A 8.2K 1K 8 4 16 UC3842 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4: Current mode controller used as a master sync. UC3842 120 6 470pF MASTER


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PDF L4981A pin16 uc3842 boost uc3842 application note uc3842 boost uc3842 power factor UC3842 SGS uc3842 smps uc3842 application circuit uc3842 application note L4990
1997 - flyback uc3842 application note

Abstract: power supply with uc2842 SLUS223A UC1845 application notes uc3842 power factor UC1843 CFP14 UC1842 power supply using uc3842 application notes uc3842
Text: Rating 700 mW TA 70°C Power Rating 452 mW Derating Factor Above TA 25°C 5.5 mW/°C 2 TA 85°C Power Rating 370 mW TA 125°C Power Rating 150 mW UC1842/3/4/5 UC2842/3/4/5 UC3842 , application INFO available UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 Current Mode PWM , and 1845. SLUS223A - APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 , . -0.3V to +6.3V Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10mA Power


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PDF UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UC1842/3/4/5 flyback uc3842 application note power supply with uc2842 SLUS223A UC1845 application notes uc3842 power factor UC1843 CFP14 UC1842 power supply using uc3842 application notes uc3842
1997 - power supply with uc2842

Abstract: uc3842 power factor SLUS223A flyback uc3842 UC3842 flyback UC3842 UC1844 uc3842 circuit diagram UC1843 UC1842
Text: Derating Factor Above TA 25°C 5.5 mW/°C 2 TA 85°C Power Rating 370 mW TA 125°C Power , UC2842/3/4/5 UC3842 /3/4/5 OFFLINE FLYBACK REGULATOR Power Supply Specifications 1. Input Voltages , UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION , APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 ABSOLUTE MAXIMUM RATINGS , Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10 mA Power Dissipation at TA 25


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PDF UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UC1842/3/4/5 power supply with uc2842 uc3842 power factor SLUS223A flyback uc3842 UC3842 flyback UC3842 UC1844 uc3842 circuit diagram UC1843 UC1842
boost uc3842 application note

Abstract: No abstract text available
Text: FEATURES Can Be Used For Power Factor Correction/Line Harmonics Reduction to Meet IEC1000 , APPLICATIONS Power Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies Off-Line , , the TK75005 can be used as a highly cost-effective controller for power factor correction. The most , POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor , technique and the application ci rcuit with waveforms are described in the paper "Low-Cost Power Factor


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PDF TK75005 IEC1000-3-2 TK75005 boost uc3842 application note
2002 - 12v dc power supply with uc3845

Abstract: uc3843 dc dc converter UC3845 dc dc applications uc3842 uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 UC3843 application note
Text: output for driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100 , www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842 /UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are , FLOP USED ONLY IN UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3843 dc dc converter UC3845 dc dc applications uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 application note
1998 - uc3802

Abstract: 12vdc power supply with uc3842 unitrode Applications Note of ic uc3842 DN-65 5v power supply with uc3842 UC3842 uc3842 design Unitrode Power Supply Design power supply using uc3842
Text: prolific of PWM ICs are those of the UC3842 family which are easy to use and to power . The VCC supply can , to Vcc will limit current. With the UCC3889 IC, an input Power Factor Correction IC or other , more power in comparison to the replacement series of Unitrode UCC3802 BiCMOS PWMs. Requiring only about 10% of the current used by the UC3842 , these BiCMOS parts are a logical replacement for previous UC3842 based designs. The tradeoff is that the maximum voltage is 13.5V. With these specifications in


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PDF DN-65 U-132. UCC3802 UCC3806 U-144 U-149 uc3802 12vdc power supply with uc3842 unitrode Applications Note of ic uc3842 DN-65 5v power supply with uc3842 UC3842 uc3842 design Unitrode Power Supply Design power supply using uc3842
2000 - uc3842 circuit diagram

Abstract: UC3842 mosfet driver UC3842 uc3844 smps power supply uc3844 reference smps uc3845 smps SMPS CIRCUIT DIAGRAM UC3842 power supply with uc3842 with circuit diagram uc3845 applications UC3843
Text: www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842 /UC3843/UC3844/UC3845 are fixed frequency current-mode PWM controller. They , totempole output Ideally suited for driving a power MOSFET. Protection circuity Includes built in , ) The UC3843 and UC3845 are 8.5V (on) and 7.9V (off) The UC3842 and UC3843 can operate within 100 , Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International UC3842 /UC3843/UC3844


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 TheUC3842 UC3844 UC3843 UC3845 uc3842 circuit diagram UC3842 mosfet driver UC3842 uc3844 smps power supply uc3844 reference smps uc3845 smps SMPS CIRCUIT DIAGRAM UC3842 power supply with uc3842 with circuit diagram uc3845 applications
2002 - uc3842

Abstract: 12v dc power supply with uc3845 uc3843 uc3845 application smps uc3843 dc dc converter UC3844 uc3845 reference smps uc3845 uc3844 smps power supply uc3842 smps
Text: driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The , www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start , The UC3842 /UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842 /UC3843/UC3844/UC3845


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PDF UC3842/UC3843/UC3844/UC3845 500KHz UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3845 application smps uc3843 dc dc converter uc3845 reference smps uc3844 smps power supply uc3842 smps
1999 - irf840 uc3842

Abstract: uc3842 theory of pin diagram boost uc3842 application note uc3842 battery charger UC3842 boost converter CT 1975 circuit pulse powersystems IEC1000-3-2 ETD-29 power supply using uc3842
Text: Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies Off-Line Battery , , the TK75005 can be used as a highly cost-effective controller for power factor correction. The most , discharge the Page 6 July 2001 TOKO, Inc. TK75005D APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector , and the application circuit with waveforms are described in the paper "Low-Cost Power Factor


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PDF TK75005D IEC1000-3-2 TK75005 flowi28-2375 IC-xxx-TK75005 0798O0 irf840 uc3842 uc3842 theory of pin diagram boost uc3842 application note uc3842 battery charger UC3842 boost converter CT 1975 circuit pulse powersystems IEC1000-3-2 ETD-29 power supply using uc3842
uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3842 note buck converter non isolated UNITRODE applications handbook uc3842 -96 UC3843 in non isolated flyback converter UC3843 application note buck uc3843 12v 5a supply design UC3843 in non isolated boost converter UC3842 application 24V
Text: off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count , Reference · Same Pinout as UC3842 and UC3842A Part Number UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 , power supplies. The UCC180x series is specified for operation from -55oC to +125oC, the UCC280x series , . . . . 20.0mJ Analog Inputs (FB, CS) . . . . . . . . . . . . . . . . . . . . -0.3V to 6.3V Power Dissipation at TA < +25oC (N or J Package) . . . . . 1.0W Power Dissipation at TA < +25oC (D Package). . . .


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PDF UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 100mA UCC1800/1/2/3/4/5 500mA UC3842 UC3842A/5 U-132. UCC3802 uc3842 unitrode 100 watt 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3842 note buck converter non isolated UNITRODE applications handbook uc3842 -96 UC3843 in non isolated flyback converter UC3843 application note buck uc3843 12v 5a supply design UC3843 in non isolated boost converter UC3842 application 24V
1999 - irf840 uc3842

Abstract: uc3842 theory of pin diagram uc3842 power factor CT 1975 circuit uc3842 battery charger UC3842 mosfet driver power supply with uc3842 FR51A HFA04TB60 ETD-29
Text: Can Be Used For Power Factor Correction/Line Harmonics Reduction to Meet IEC1000-3-2 Requirements s , s s Power Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies , Information" section, the TK75005 can be used as a highly cost-effective controller for power factor , APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector application circuit. The control technique is called


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PDF TK75005 IEC1000-3-2 TK75005 no2375 IC-xxx-TK75005 0798O0 irf840 uc3842 uc3842 theory of pin diagram uc3842 power factor CT 1975 circuit uc3842 battery charger UC3842 mosfet driver power supply with uc3842 FR51A HFA04TB60 ETD-29
1998 - 5v power supply with uc3842

Abstract: power supply with uc3842 power supply on ic uc3842 power supply design uc3842 uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842 UC3842 p pwm flyback uc3842 power supply
Text: DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 FAMILY John Gaumont In an attempt to stay abreast of trends in the power supply marketplace, the Power , such as lower power for battery operated equipment, higher switching frequencies for reduced magnetics , necessities for survival. The UCC3802 offers numerous advantages which allow the Power Supply Design Engineer , 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805


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PDF DN-42A UC3842 UCC3802 UCC3804 UCC3803 UCC3805 5v power supply with uc3842 power supply with uc3842 power supply on ic uc3842 power supply design uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842 UC3842 p pwm flyback uc3842 power supply
JC3842

Abstract: DN-42A UCC3804 uc3842 UCC3805 5v power supply with uc3842 CC-3802 pwm using uc3842 circuit UC3842 soft start UCC3803
Text: DN-42A UIMITRODE Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 FAMILY John Gaumont In an attempt to stay abreast of trends in the power supply marketplace, the Power Supply Design Engineer is perpetually seeking methods of improving upon existing designs. Requirements such as lower power for battery operated equipment, higher switching frequencies for reduced , necessities for survival. The UCC3802 offers numerous advantages which allow the Power Supply Design Engineer


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PDF DN-42A UC3842 UCC3802 UCC3804 UCC3803 UCC3805 JC3842 DN-42A 5v power supply with uc3842 CC-3802 pwm using uc3842 circuit UC3842 soft start
1999 - ucc3804

Abstract: power supply design uc3842 UC3842 UCC3802 flyback uc3842 power supply using uc3842 of ic uc3842 UC3842 p pwm flyback uc3842 power supply UC3842 flyback
Text: DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 FAMILY John Gaumont In an attempt to stay abreast of trends in the power supply marketplace, the Power , such as lower power for battery operated equipment, higher switching frequencies for reduced magnetics , necessities for survival. The UCC3802 offers numerous advantages which allow the Power Supply Design Engineer , 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805


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PDF DN-42A UC3842 UCC3802 ucc3804 power supply design uc3842 flyback uc3842 power supply using uc3842 of ic uc3842 UC3842 p pwm flyback uc3842 power supply UC3842 flyback
UC3843 diagram

Abstract: UC2843 applications unitrode Applications Note uc3843 "PWM Controllers" UC 3842 UC3843 UC2845 application notes uc3843 power factor uc3843 application note uc384 uc 3842 am
Text: TABLE PACKAGE D P TA < 25 °C POWER RATING 9 5 0 mW 1 000 mW DERATING FACTOR ABOVE T a - 2 5 °C 7.6 m W , UC2842, UC2843, UC2844, UC2845 UC3842 , UC3843, UC3844, UC3845 CURRENT-MODE P W M CONTROLLERS D3175 , 6 8 J POWER RT/CT C 7 · · · · · GROUND NC - No internal connection P PACKAGE (TOP VIEW , Incorporated 2 -47 5 UC2842, UC2843, UC2844, UC2845 UC3842 , UC3843, UC3844, UC3845 CURRENT-MODE PWM , 3 · DALLAS, TEXAS 7 5 2 8 5 UC2842, UC2843, UC2844, UC2845 UC3842 , UC3843, UC3844, UC3845


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PDF UC2842, UC2843, UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 D3175, 1989-REVISED UC3843 diagram UC2843 applications unitrode Applications Note uc3843 "PWM Controllers" UC 3842 UC3843 UC2845 application notes uc3843 power factor uc3843 application note uc384 uc 3842 am
2002 - uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 uc3844 smps power supply uc3843 dc dc converter UC3842 smps design uc3842 uc3844 reference smps uc3843 UC3842 smps diagram UC3844 application note
Text: driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The , www.fairchildsemi.com UC3842 /UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start , The UC3842 /UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842 /UC3843/UC3844/UC3845


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PDF UC3842/UC3843/UC3844/UC3845 500KHz UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 uc3845 application smps SMPS CIRCUIT DIAGRAM UC3842 uc3844 smps power supply uc3843 dc dc converter UC3842 smps design uc3844 reference smps UC3842 smps diagram UC3844 application note
u3844

Abstract: power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
Text: SGS-THOMSON 7/1 1 UC2842/3/4/5- UC3842 /3/4/5 Figure 11: Off-line Flyback Regulator. Power Supply , {Z T SGS-THOMSON UC2842/3/4/5 *71. Mg^lilLlligirMn©!_ UC3842 /3/4/5 CURRENT MODE PWM , ranges. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off), ideally suited off-line applications The corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 , dock cycle. DESCRIPTION The UC3842 /3/4/5fam8y of control ICs provides the necessary features to


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PDF UC2842/3/4/5 UC3842/3/4/5 007bbS3 u3844 power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
1999 - irf840 uc3842

Abstract: uc3842 theory of pin diagram
Text: TK75005D LOW-COST FLEXIBLE PWM CONTROLLER FEATURES s Can Be Used For Power Factor Correction/Line , Compensation s Pulse-by-Pulse Current Limiting APPLICATIONS s s s s Power Factor Correction Converters , controller for power factor correction. The most noteworthy integrated feature in the TK75005 is the way in , / 8 V 6) maximum duty cycle set at 89% TK75005D APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector


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PDF TK75005D IEC1000-3-2 TK75005 IC-xxx-TK75005 0798O0 irf840 uc3842 uc3842 theory of pin diagram
1994 - UFN432

Abstract: coilcraft e-4140-b uc3842 UC3842 mosfet driver transistor UFN432 power supply with uc3842 5v power supply with uc3842 mosfet UFN432 E-4140-B off-line flyback regulator uc3842
Text: 10 OUTPUT NC 6 9 GROUND RT/CT 7 8 POWER GROUND TOP VIEW APPLICATIONS · Off-line switched mode power supplies · DC-to-DC converters UC3842 BLOCK DIAGRAM 7(11) (12)7 , UC3842 DESCRIPTION PIN CONFIGURATIONS The UC3842 is available in an 8-Pin mini-DIP the necessary , source and sink high peak current from a capacitive load, such as the gate of a power MOSFET. Consistent with N-channel power devices, the output is low in the OFF-state. D Package COMP 1 14


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PDF UC3842 UC3842 40kHz 90VAC: 130VAC: NE555 UC3842s UFN432 coilcraft e-4140-b UC3842 mosfet driver transistor UFN432 power supply with uc3842 5v power supply with uc3842 mosfet UFN432 E-4140-B off-line flyback regulator uc3842
1997 - USD1120 ZENER

Abstract: USD1120 USD1120 diode diode USD1120 uc38448 U9D946 varo vm 68 UFN833 UF81002 C549C
Text: FACTOR ABOVE TA 25°C 5.5 mW/°C TA 70°C POWER RATING 452 mW TA 85°CPO WER RATING 370 mW TA 125°C POWER , UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 www.ti.com SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 , REF 8 14 VREF 5V 50 mA 7 11 VC COMP 1 CURRENT SENSE 3 POWER GROUND Note 1: A/B A = DIL-8 Pin , UC1842/3/4/5 UC2842/3/4/5 UC3842 /3/4/5 SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 www.ti.com , inputs (Pins 2, 3) Error amp output sink current TA 25°C (DIL-8) Power dissipation Storage temperature


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PDF UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223B 500-kHz 130VA UC1842/3 USD1120 ZENER USD1120 USD1120 diode diode USD1120 uc38448 U9D946 varo vm 68 UFN833 UF81002 C549C
flyback uc3843

Abstract: u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
Text: reset. 7/11 UC2842/3/4/5- UC3842 /3/4/5 Figure 11 : Off-line Flyback Regulator. Power Supply , UC2842/3/4/5 UC3842 /3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , REFERENCE 500 KHz OPERATION LOW RO ERROR AMP DESCRIPTION The UC3842 /3/4/5family of control ICs , family are the under-voltage lockout thresholds and maximum duty cycle ranges. The UC3842 and UC3844 , corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5family flyback uc3843 u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
1996 - EC35-3c8

Abstract: EC35 TRANSFORMER uc38428 HIGH FREQUENCY Transformer ec35 uc3842 flyback constant current uc3842 application note UC3842 boost converter flyback transformer design uc3842 flyback uc3842 power supply flyback uc3842 sync
Text: INTEGRATED CIRCUITS AN1272 UC3842 application note Author: Lester J. Hadley, Jr. 1991 Dec Rev 1: 1996 Apr Philips Semiconductors Philips Semiconductors Application note UC3842 , reference for the current loop comparator. INTRODUCTION The UC3842 provides all the essential features , and 0.7V negative on the feedback line. Open loop testing of the UC3842 in a current mode supply may , ) is the primary converter operating condition addressed in this application note for the UC3842


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PDF AN1272 UC3842 100pF SL01097 PBYR735 EC35-3c8 EC35 TRANSFORMER uc38428 HIGH FREQUENCY Transformer ec35 uc3842 flyback constant current uc3842 application note UC3842 boost converter flyback transformer design uc3842 flyback uc3842 power supply flyback uc3842 sync
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