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Part Manufacturer Description Datasheet Download Buy Part
LTC3566EUF#TRPBF-ES Linear Technology High Efn¼üciency USB Power Manager Plus 1A Buck-Boost Converter
LTC3566EUF#PBF-ES Linear Technology High Efn¼üciency USB Power Manager Plus 1A Buck-Boost Converter
LTC3586EUFE#TRPBF Linear Technology LTC3586/LTC3586-1 - High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C
LTC3586EUFE-2#PBF Linear Technology LTC3586-2/LTC3586-3 - High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C
LTC3586EUFE-1#TRPBF Linear Technology LTC3586/LTC3586-1 - High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C
LTC3586EUFE#PBF Linear Technology LTC3586/LTC3586-1 - High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C

UC3843 Boost BLOCK DIAGRAM Datasheets Context Search

Catalog Datasheet MFG & Type PDF Document Tags
2001 - UC3842 smps design

Abstract:
Text: Block Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation UC3842/ UC3843 /UC3844/UC3845 , block diagram ). The PWM latch is reset dominant so that the output will remain low until the next clock , www.fairchildsemi.com UC3842/ UC3843 /UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842/ UC3843 /UC3844/UC3845 are fixed frequency current-mode PWM controller. They , ) The UC3843 and UC3845 are 8.5V (on) and 7.9V (off) The UC3842 and UC3843 can operate within 100% duty


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 TheUC3842 UC3844 UC3843 UC3845 UC3842 smps design UC3843 application note uc3844 smps power supply UC3844 application note uc3845 smps UC3845 application note uc3845 PWM power supply application note UC3842 mosfet driver uc3845 application smps 5v power supply with uc3842
2002 - 12v dc power supply with uc3845

Abstract:
Text: -SOP 1 Internal Block Diagram * NORMALLY 8DIP/8SOP PIN NO. * ( ) IS 14SOP PINNO. * TOGGLE FLIP , causes the output of the PWM comparator to be high (refer to block diagram ). The PWM latch is reset , www.fairchildsemi.com UC3842/ UC3843 /UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842/ UC3843 /UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are , ). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100


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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 UC3842 smps design uc3845 smps UC3844 application note uc3843 dc 5v UC3843 application note
2000 - uc3842 circuit diagram

Abstract:
Text: Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International UC3842/ UC3843 /UC3844 , block diagram ). The PWM latch is reset dominant so that the output will remain low until the next clock , www.fairchildsemi.com UC3842/ UC3843 /UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842/ UC3843 /UC3844/UC3845 are fixed frequency current-mode PWM controller. They , ) The UC3843 and UC3845 are 8.5V (on) and 7.9V (off) The UC3842 and UC3843 can operate within 100


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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 - Not Available

Abstract:
Text: -SOP 8-DIP 1 1 14-SOP 1 Internal Block Diagram * NORMALLY 8DIP/8SOP PIN NO. * ( ) IS , (refer to block diagram ). The PWM latch is reset dominant so that the output will remain low until the , Features Description • • • • The UC3842/ UC3843 /UC3844/UC3845 are fixed , 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 UC3844 and UC3845 can operate with 50% duty cycle


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PDF UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845
2002 - uc3845 application smps

Abstract:
Text: Block Diagram * NORMALLY 8DIP/8SOP PIN NO. * ( ) IS 14SOP PINNO. * TOGGLE FLIP FLOP USED ONLY IN , block diagram ). The PWM latch is reset dominant so that the output will remain low until the next clock , 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 , driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843


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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
2002 - uc3842

Abstract:
Text: Block Diagram * NORMALLY 8DIP/8SOP PIN NO. * ( ) IS 14SOP PINNO. * TOGGLE FLIP FLOP USED ONLY IN , block diagram ). The PWM latch is reset dominant so that the output will remain low until the next clock , 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 , driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843


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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 uc3844 smps power supply uc3845 reference smps application notes uc3842
1997 - UC3843 application note buck

Abstract:
Text: flop which blanks the output off every other clock cycle. BLOCK DIAGRAM Note 1: A/B Note 2: A , high (refer to block diagram ). The PWM latch is reset dominant so that the output will remain low until , Response Secondary Side Control Features Secondary Side Post Regulator UC1843 No UC2843 No UC3843 No , ) Understanding Boost Power Stages In Switchmode Power Supplies (SLVA061 - Updated: 03/04/1999) Understanding Buck , . All rights reserved. Trademarks | Privacy Policy | Terms of Use Product Folder: UC3843


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PDF UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 500khz UC3845 UC3845D UC3845D8 UC3845D8TR UC3845DTR UC3843 application note buck uc3843 design guide UC2843 applications UC3845 application note buck UC2843 UC2845* application note UC3843 Boost BLOCK DIAGRAM buck uc3843 UC1845 application notes UC3843 application note boost
1994 - UC3843 application note soft start

Abstract:
Text: factor pre-regulator arranged in Boost converter configuration and controlled by an ST9 microcontroller. Figure 4. Digital P.F.C. Block Diagram With St9 Microcontroller And Uc3843 Current Mode P.W.M. Control Ic. L Vout ST9 230V + DC UC3843 Clock P.W.M. D Q T R C Mains - , our example, we built a voltage pre-regulator using boost topology to generate 400V DC voltage. This , power transistor turns OFF. In the practice, we use a UC3843 current mode P.W.M. control IC including


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1997 - UC3843 buck converter application note

Abstract:
Text: the block diagram (Figure 1), the charger consists of the 87C751, a switching charge current , PWM CONTROLLER Load 8XC751 ADC Rsense LEDs SU00413 Figure 1. Block Diagram June , There are two basic converter topologies from which the others are derived. They are the buck and boost converters. As the names imply, the buck converter produces an output lower than its input and the boost converter does the opposite. The transformer isolated versions of the buck and boost circuits are known as


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PDF AN439 87C751 UC3843 buck converter application note UC3843 application note buck UC3843 Boost converter UC3843 application note buck schematic application UC3843 for led driver UC3843 flyback charger uc3843 dc to dc converter schematic uc3843 buck converter UC3843 led driver UC3843 in isolated flyback converter
1996 - UC3843 application note buck

Abstract:
Text: block diagram (Figure 1), the charger consists of the 87C751, a switching charge current regulator, an , Figure 1. Block Diagram June 1993 1 Philips Semiconductors Application note 87C751 fast , two basic converter topologies from which the others are derived. They are the buck and boost converters. As the names imply, the buck converter produces an output lower than its input and the boost converter does the opposite. The transformer isolated versions of the buck and boost circuits are known


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PDF 87C751 1200mAh AN439 UC3843 application note buck UC3843 buck converter application note UNITRODE applications handbook uc3843 -96 UC3843 Boost converter UC3843 application note buck schematic uc3843 dc to dc converter schematic buck uc3843 uc3843 buck converter application UC3843 for led driver UC3843 in isolated flyback converter
UC3843 diagram

Abstract:
Text: Incorporated 2 -47 5 UC2842, UC2843, UC2844, UC2845 UC3842, UC3843 , UC3844, UC3845 CURRENT-MODE PWM CONTROLLERS functional block diagram , In 2 -47 6 Te x a s str u m en ts POST OFFICE BOX 6 5 5 3 0 3 · DALLAS, TEXAS 7 5 2 8 5 UC2842, UC2843, UC2844, UC2845 UC3842, UC3843 , UC3844, UC3845 , UC2842, UC2843, UC2844, UC2845 UC3842, UC3843 , UC3844, UC3845 CURRENT-MODE P W M CONTROLLERS D3175 , , TEXAS 752 6 5 o 1 in IT ) 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
1996 - UC3843 application note buck

Abstract:
Text: the block diagram (Figure 1), the charger consists of the 87C751, a switching charge current , PWM CONTROLLER Load 8XC751 ADC Rsense LEDs SU00413 Figure 1. Block Diagram June , There are two basic converter topologies from which the others are derived. They are the buck and boost converters. As the names imply, the buck converter produces an output lower than its input and the boost converter does the opposite. The transformer isolated versions of the buck and boost circuits are known as


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PDF 87C751 AN439 UC3843 application note buck UC3843 Boost converter UC3843 buck converter application note UC3843 application note buck schematic uc3843 dc to dc converter schematic UC3843 in isolated flyback converter uc3843 boost UC3843 Boost BLOCK DIAGRAM uc3843 fet driver application UC3843 for led driver
UC3842

Abstract:
Text: flop which blanks the output off every other clock cycle. BLOCK DIAGRAM (toggle flip flop used only , ) and 10V (off), ideally suited off-line applications The corresponding thre sholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5 UC3842 UC3844 UC3843 UC3845 U3844 UC3845 dc dc applications dc dc uc3843 uc-3843 uc3845 applications TOGGLE FLIP FLOP
1994 - flyback uc3843

Abstract:
Text: other clock cycle. BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) May 1995 1/11 , comparator to be high (refer to block diagram ). The PWM latch is reset dominant so that the output will , applications The corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5 flyback uc3843 u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 UC3845 dc dc applications uc3843 flyback supply uc3842 circuit diagram UC3843 flyback converter
1998 - flyback uc3843

Abstract:
Text: . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) October 1998 1/11 UC2842/3/4/5 , (refer to block diagram ). The PWM latch is reset dominant so that the output will remain low until the , corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , CONNECTIONS (top views) SO14 Minidip ORDERING NUMBERS T ype Min idip SO14 UC2842 UC3843 , UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D UC3845D


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PDF UC2842/3/4/5 UC3842/3/4/5 TheUC3842/3/4/5family flyback uc3843 u3844 uc3842 circuit diagram off-line flyback regulator uc3845 UC3843 power flyback UC2845N uc3843 connections flyback uc3842 power supply uc3843 flyback supply flyback uc3842
flyback uc3843

Abstract:
Text: input, BLOCK DIAGRAM (to g g le flip flo p used o n ly in U 3844 and U C 3845) May 1995 1/11 , method cause the output of the PWM com parator to be high (refer to block diagram ). The PWM latch is , ) 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 can operate to duty cycles approaching 100%. A range of , POWER J GROUND s -a *7 3 rt /c t [ 7 ORDERING NUMBERS Type UC2842 UC3843 UC2844 UC2845 UC3842


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PDF K00CC3 flyback uc3843 UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications u3844 UC3842 Open Loop Circuit diagram DATA UC3843 uc3843 flyback supply
1994 - flyback uc3842

Abstract:
Text: . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) May 1995 1/11 UC2842/3/4/5 , high (refer to block diagram ). The PWM latch is reset dominant so that the output will remain low , corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5family flyback uc3842 UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v off-line flyback regulator uc3844 UC2842 power supply with uc3842 off-line flyback regulator uc3845
2007 - UC3843 step down converter

Abstract:
Text: (Page 20) External Switch, Fixed Freq., No DSS (Page 18) External Startup UC3843 , Pin-Compatible (Page , Factor Correction Single-Stage Flyback Boost Pre-Regulator Combo PFC + PWM Continuous Mode NCP1651 Continuous Mode NCP1650 NCP1653 Follower Boost Critical Mode MC33260 Follower Boost MC33262 , UC3843 Compatible CS2841B* NCV3843* UC2842A/3A/2B/3B UC3842A/3A/2B/3B Non-UC3843 Compatible CS5124 , Ts Attributes: Step down only MOSFET stress = Vin + - C R Vout Vin + - C R Vout L Boost Duty


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PDF UC3843, Non-UC3843, UC3825 SO-16 NCP1561DR2 UC3843 step down converter UC3843 sepic step up converter ,UC3843 step up converter uc3843 step up uc3843 step down TL494 step up TL494 step down UC3843 step up converter TL494 AC-DC CONVERTER UC3843 sepic converter
flyback uc3843

Abstract:
Text: . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) May 1995 1/11 UC2842/3/4/5 , high (refer to block diagram ). The PWM latch is reset dominant so that the output will remain low , corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D


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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 flyback uc3842 power supply with uc2842 off-line flyback regulator uc3844 uc3842 circuit diagram off-line flyback regulator uc3842
UC3845 application note buck

Abstract:
Text: highlights the features of each individual member, the UC3842, UC3843 , UC3844 and UC3845 Throughout the text , oscillators must be set to run at twice the desired power supply switching frequency. The UC3842 and UC3843 , NOTE U-100A MAXIMUM DUTY CYCLE CURRENT SENSING AND LIMITING The UC3842 and UC3843 have a , stabilizing any current-mode controlled topology except for flyback and boost converters operating with , of the Schottky diodes to prevent a similar set of circum- Continuous-inductor-current boost and


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PDF U-100A UC3842/3/4/5 UC3842/3/4/5 UC3842 UC3642, UC3706, UC3901 U-101 UC3845 application note buck UC3843 application note buck UC3843 step up converter forward converter uc3844 500w UC3843 buck converter application note uc3843 step up unitrode Applications Note U-96 UC3844 flyback application note uc3642 UC3845 buck
Not Available

Abstract:
Text: the PWM com ­ parator to be high (refer to block diagram ). The PWM latch is reset dominant so that , The corresponding thre­ sholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 , Type UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 782 S014 UC2842 UC3843 UC2844 UC2845 2/8 M inidip UC3842N UC3843N , setting at 15 V. 6. O utput frequency equals o scillator frequency fo r the UC3842 and UC3843 . O utput


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unitrode Applications Note U-96

Abstract:
Text: L E <60% UC3845 UC3844 < 100% UC3843 UC3842 A P P L IC A T IO N (C IR C U IT ) FLYBACK FORWARD BUCK/ BOOST P O W E R S U P P L Y IN P U T (V) H IG H (O F F L IN E ) UC3844 U C3844/2 UC3842/4 , be set to run at twice the desired power supply switching frequency. The UC3842 and UC3843 oscillator , APPLICATION NOTE MAXIMUM DUTY CYCLE The UC3842 and UC3843 have a maximum duty cycle of approximately 100 , controlled topology except for flyback and boost converters operating with inductor cur rent. The feedback


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PDF U-100A UC3842/3/4/5 UC1842/3/4/5 UC3642, UC3706, UC3901 U-101 unitrode Applications Note U-96 UC3642 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 500W boost converter uc3843 forward converter uc3844 500w UC3843 application note buck UC3843 in isolated flyback converter UC3843 application note soft start
JC3842

Abstract:
Text: block diagram ). The I latch is reset dominant so that the output will in low until the next clock cycle , ), ideally suited off-line applications The corresponding thre sholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 , id ip S014 UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 UC2842N UC2843N UC2844N , frequency equals oscillator frequency for the UC3842 and UC3843 . Output frequency is one half oscillator


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PDF UC2842/3/4/5 UC3842/3/4/5 JC3842/3/4/5 JC3842 C3842 u3844 flyback uc3843 9A73 uc3843 flyback supply UC3843 12v to 16v UC2842 off-line flyback regulator uc3845 off-line flyback regulator uc3842
u3844

Abstract:
Text: 1 mA, a precision ref erence trimmed for accuracy at the error amp input, BLOCK DIAGRAM (toggle , . Either method cause the output of the PWM com parator to be high (refer to block diagram ). The PWM latch , applications The corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 , GROUND S-*4T1 ( ORDERING NUMBERS Type UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845


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PDF UC2842/3/4/5 UC3842/3/4/5 007bbS3 u3844 power supply with uc3842 with circuit diagram power supply with uc2842 off-line flyback regulator uc3845 uc2842 12v dc power supply with uc3845 uc3842 uc2845n pwm uc2842 flyback uc3842 power supply
1994 - uc3843 battery charger circuit diagrams

Abstract:
Text: CHARGER 5 CHARGER SCHEMATIC EXAMPLES 5.1 Block diagram The charger is a power supply operating as a , DC voltage source. Figures 11 and 12 give block diagrams of an offline SMPS charger and a DC to DC charger. Figure 11. Block diagram of an off-line SMPS charger. NiMH or AC mains SMPS NiCd battery PWM current mode MCU temperature ST6210 UC3845 voltage Figure 12. Block diagrams of aDC/DC charger. NiMH or DC voltage SMPS NiCd battery PWM current mode UC3843


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