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UC3842D8G4 Texas Instruments Current-Mode PWM Controller 8-SOIC 0 to 70 visit Texas Instruments
UC3842AD8 Texas Instruments Current Mode PWM Controller 8-SOIC 0 to 70 visit Texas Instruments Buy
UC3842ANG4 Texas Instruments Current Mode PWM Controller 8-PDIP 0 to 70 visit Texas Instruments
UC3842AL Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, LCC-20 visit Texas Instruments
UC3842AQTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20 visit Texas Instruments
UC3842D8TRG4 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 visit Texas Instruments

application uc3842

Catalog Datasheet MFG & Type PDF Document Tags

EC35-3c8

Abstract: EC35 TRANSFORMER INTEGRATED CIRCUITS AN1272 UC3842 application note Author: Lester J. Hadley, Jr. 1991 Dec Rev 1: 1996 Apr Philips Semiconductors Philips Semiconductors Application note UC3842 , ) is the primary converter operating condition addressed in this application note for the UC3842 , Semiconductors Application note UC3842 application note AN1272 VREF A RT VCC 2N2222 4.7k , . 1991 Dec 3 Philips Semiconductors Application note UC3842 application note AN1272
Philips Semiconductors
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EC35-3c8 EC35 TRANSFORMER uc38428 HIGH FREQUENCY Transformer ec35 uc3842 flyback constant current uc3842 application note BUK474-200A 1N914 SL01097 PBYR735 1N5061 SL01089

uc3842

Abstract: 12v dc power supply with uc3845 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 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842/UC3843/UC3844/UC3845
Fairchild Semiconductor
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12v dc power supply with uc3845 uc3845 application smps uc3843 dc dc converter uc3844 smps power supply uc3845 reference smps application notes uc3842 UC3842/UC3843/UC3844/UC3845 500KH 14-SOP 14SOP UC3845D1X

uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 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 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842/UC3843/UC3844/UC3845
Fairchild Semiconductor
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SMPS CIRCUIT DIAGRAM UC3842 UC3842 smps design uc3844 reference smps UC3842 smps diagram UC3844 application note UC3843 application note UC3845D UC3845N UC3845DX UC3845D1

12v dc power supply with uc3845

Abstract: uc3843 dc dc converter www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features Description · · · · The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are , 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 , FLOP USED ONLY IN UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842
Fairchild Semiconductor
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UC3845 dc dc applications uc3845 smps uc3843 dc 5v uc3842 application circuit UC3845 application note power supply with uc3842 UC3843N UC3844N UC3842D1 UC3843D1 UC3844D1 UC3842D

UC3843 application note buck

Abstract: uc3842 application circuit U-100A _ U N ITR O D E APPLICATION NOTE UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL , objectives; good electrical performance and low cost. The UC3842/3/4/5 is an integrated pulse width modulator , , the UC3842 series is optimized for ef ficient power sequencing of off-line converters, DC to DC regulators and for driving power MOSFETs or transistors. This application note provides a functional description of the UC3842 family and highlights the features of each in dividual member, the UC3842, UC3843
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UC3843 application note buck UC3843 buck converter application note UC3845 application note buck uc3842 equivalent buck uc3842 application note buck uc3843 UC3842/3/4/5

UC3842 buck

Abstract: uc3842 flyback constant current APPLICATION NOTE UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL The fundamental challenge of , ) Dutycycle Control and (b) Current-mode Control. (a) (b) 2/16 APPLICATION NOTE Figure 4 : UC3842 , adequate to make the UC3842 fully operational before enablingthe output 3/16 APPLICATION NOTE , . APPLICATION NOTE CURRENT SENSING AND LIMITING The UC3842 current sense input is configured as shown in , high-current paths greatly reduce common-mode noise. 12/16 APPLICATION NOTE Note that the UC3842 has a
STMicroelectronics
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UC3842 buck boost uc3842 application note UC3842 note buck converter non isolated uc3842 constant current flyback uc3842 flyback transformer design uc3842

unitrode Applications Note U-96

Abstract: UC3642 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC'S DESCRIPTION The , APPLICATION NOTE MAXIMUM DUTY CYCLE The UC3842 and UC3843 have a maximum duty cycle of approximately 100 , L E , Number 2. Toggle flip flop used only in 1844A and 1845A. Figure 4 3-534 APPLICATION NOTE
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UC3642 unitrode Applications Note U-96 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w UC1842/3/4/5 UC1842 UC1844 UC1843 UC1845

UNITRODE applications handbook uc3842 -96

Abstract: UC3843 in isolated flyback converter U-100A APPLICATION NOTE UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL INTRODUCTION , variations exclusively. This application note provides a functional description of the UC3842 family and , Current Designs 3-54 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC , maximum of 500 kHz. 0019-8 Figure 7. Providing Power to the UC3842/3/4/5 3-56 APPLICATION , 3-62 U-100A APPLICATION NOTE SYNC PULSE GENERATOR The UC3842/3/4/5 oscillator can be used to
Texas Instruments
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UC3843 in isolated flyback converter UNITRODE applications handbook uc3843 -96 uc3843 step up power supply high efficiency on ic uc3843 UC3842 step up converter UC3843 step up converter

UFN432

Abstract: coilcraft e-4140-b UC3842 DESCRIPTION PIN CONFIGURATIONS The UC3842 is available in an 8-Pin mini-DIP the necessary , · Off-line switched mode power supplies · DC-to-DC converters UC3842 BLOCK DIAGRAM 7(11) (12)7 , Semiconductors Linear Products Product specification Current-mode PWM controller UC3842 ORDERING , application note on "Power Dissipation Calculation". 3. This parameter is guaranteed, but not 100% tested in , Current-mode PWM controller UC3842 DC AND AC ELECTRICAL CHARACTERISTICS 0TJ70°C for UC3842; VCC=15V; RT
Philips Semiconductors
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UFN432 coilcraft e-4140-b UC3842 mosfet driver transistor UFN432 5v power supply with uc3842 E-4140-B AWG22 AWG28 UC1901 90VAC 130VAC NE555

UC3845 application note buck

Abstract: UC3843 application note buck U-100A APPLICATION NOTE UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL INTRODUCTION , variations exclusively. This application note provides a functional description of the UC3842 family and , Current Designs 3-54 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC , maximum of 500 kHz. 0019-8 Figure 7. Providing Power to the UC3842/3/4/5 3-56 APPLICATION , 3-62 U-100A APPLICATION NOTE SYNC PULSE GENERATOR The UC3842/3/4/5 oscillator can be used to
Texas Instruments
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UC3844 flyback application note UC3845 buck UC3843 Boost converter uc3842 half bridge 48v UC3843 uc3843 boost UC3706 UC3901 U-101

boost uc3842 application note

Abstract: uc3842 power factor AN832 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna Devices Description In most of , provided with I/O sync.) and the UC3842 PWM controller without any dedicated pin for sync.). When L4990 , L4981A SLAVE (fsw2)OSC D95IN294A 1/3 AN832 APPLICATION NOTE The L4981A needs a minimum , 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
STMicroelectronics
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1N4148 uc3842 power factor uc3842 smps boost with uc3842 UC3842 boost uc3842 application application uc3842 D95IN295A D95IN296B D95IN297A

uc3642

Abstract: UC3842 DESCRIPTION The UC3842 is available in an 8-Pin mini-DIP the necessary features to implement off-line , '¢ 400kHz operation, guaranteed min UC3842 PIN CONFIGURATIONS N Package COMP E J] VREF VFB H H Vcc , APPLICATIONS â'¢ Off-line switched mode power supplies â'¢ DC-to-DC converters UC3842 BLOCK DIAGRAM 7 , specification Current-mode PWM controller UC3842 ORDERING INFORMATION DESCRIPTION TEMPERATURE RANGE ORDER , the specified terminal. 2. See section in application note on "Power Dissipation Calculation". 3
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uc3842 circuit diagram flyback uc3842 power supply power supply with uc3842 with circuit diagram ac regulator uc3842 uc3642 application off-line flyback regulator uc3842 711DAEL 130VA 0G7T43D

uc3842 flyback constant current

Abstract: UC3842 boost converter APPLICATION NOTE UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL The fundamental challenge of , Open-loop Frequency Response. APPLICATION NOTE CURRENT SENSING AND LIMITING The UC3842 current sense , APPLICATION NOTE Note that the UC3842 has a single ground pin. High sink currents in the output therefore , performance and low cost. The UC3842 is an integrated pulse width modulator (PWM) designed with both these , performance advantages of current-mode operation. In addition, the UC3842 is optimized for efficient power
STMicroelectronics
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UC3842 boost converter flyback uc3842 application note buck dc to dc uc3842 converter circuit diagram flyback uc3842 sync of ic uc3842 ic uc3842

power supply with uc2842

Abstract: coilcraft e-4140-b UC1842 UC2842 UC3842 Current-Mode PWM Controller DESCRIPTION The UC1842 family of control ICs , 853-0614 93932 Rev. 1 Product Specification Current-Mode PWM Controller UCÃ842, UC2842, UC3842 ORDERING , positive into the specified terminal. 2. See section in application note on "Power Dissipation Calculation , UC1842, UC2842, UC3842 DC AND AC ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these specifications apply for -55 «S Tj < 125°C for UC1 842/43; -25
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E-4140 power supply with uc2842 coilcraft e4140 power supply on ic uc3842 UC1842N e 4140 UC1842S

boost uc3842 application note

Abstract: boost with uc3842 UC3842 5 47 D95IN297 2/3 APPLICATION NOTE Information furnished is believed to be accurate , APPLICATION NOTE L4981A SYNCHRONIZATION In most of SMPS using power factor correction, the , L4981A SLAVE (fsw1)OSC AN832/0795 fsw1 > fsw2 (fsw2)OSC D95IN294A 1/3 APPLICATION , 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
STMicroelectronics
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D95IN296A
Abstract: Features Description â'¢ â'¢ â'¢ â'¢ The UC3842/UC3843/UC3844/UC3845 are fixed , comparator and a high current totempole 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 , Semiconductor Corporation UC3842/UC3843/UC3844/UC3845 Absolute Maximum Ratings Parameter Symbol , SENSE 10 OUTPUT N/C 6 9 GND RT/C T 7 2 5 8 PWR GND UC3842/UC3843/UC3844 Fairchild Semiconductor
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UC3843D UC3844D

UC3842 smps design

Abstract: UC3843 application note 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 , Block Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation UC3842/UC3843/UC3844/UC3845 , UC3842/UC3843/UC3844/UC3845 Electrical Characteristics (VCC=15V, RT=10K, CT=3.3nF, TA= 0°C to +70°C
Fairchild Semiconductor
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uc3845 PWM power supply application note uc3844 PWM power supply application note AN UC3845 UC3843 datasheet UC3842N

uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 Reference · Same Pinout as UC3842 and UC3842A Part Number UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 , 900 1000 APPLICATION NOTE U-133A UCC 3800/1/2/3/4/5 BiCMOS CURRENT MODE CONTROL ICs BILL , advance technique known as current mode control, and a novel PWM solution, the UC3842 controller. This IC , protection, a precision reference and a high current totem-pole output. The popular UC3842 control circuit , propagation delays in comparison to the bipolar UC3842 devices. These sophisticated new BiCMOS controllers
Unitrode
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uc3842 unitrode 100 watt 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3843 in non isolated flyback converter uc3843 12v 5a supply design UC3843 in non isolated boost converter UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 UCC1803

L4981A

Abstract: uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna In most of SMPS using power factor , L4981A SLAVE (fsw2)OSC D95IN294A 1/3 APPLICATION NOTE The L4981A needs a minimum set-up , 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 situation in a TV or monitor application. Figure 3: Sync. example between L4981A and a current mode
STMicroelectronics
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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 , SLAVE (fsw2)OSC D95IN294A 1/3 APPLICATION NOTE The L4981A needs a minimum set-up time to , 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 monitor application. Figure 3: Sync. example between L4981A and a current mode controller. 100
STMicroelectronics
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