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Part Manufacturer Description Datasheet BUY
UC3842AQTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20 visit Texas Instruments
UC3842AL Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, 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
UC3842D-8 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 visit Texas Instruments
UC3842AJ Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8 visit Texas Instruments
UC3842DR-8 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8 visit Texas Instruments

of ic uc3842

Catalog Datasheet MFG & Type PDF Document Tags

uc3842

Abstract: UC3842 soft start as in the UC3842 and the UCC3802. Bias The BiCM OS design of the UCC3802 and the UCC3809 result , reduce the effects of noise pulses on the lead ing edge of the current sense signal, the UC3842 and the , DN-89 UNITRQOE Design Note Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers by Lisa Dinwoodie Introduction Despite the fact that the UC3842 and the UCC3802 are pin for , help the user transition from either the UC3842 or the UCC3802 to the UCC3809 in an existing design
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UC3842 soft start UC3842 p pwm flyback uc3842 uc3842 converter design UC3842 flyback of ic uc3842

flyback uc3842

Abstract: of ic uc3842 pin low as in the UC3842 and the UCC3802. Bias The BiCMOS design of the UCC3802 and the UCC3809 , edge of the current sense signal, the UC3842 and the UCC3809 designs both use an RC filter. Thanks to , DN-89 Design Note Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers by Lisa Dinwoodie Introduction Despite the fact that the UC3842 and the UCC3802 are pin for pin , user transition from either the UC3842 or the UCC3802 to the UCC3809 in an existing design. Figures
Unitrode
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Datasheet of ic uc3842 UC3842 ON Semiconductor uc3842 application circuit IC UC3842 uc3842 application note uc3842 equivalent

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 , L E , runs AT the switching fre quency. Each oscillator of the UC3842/3/4/5 family can be used to a maximum , APPLICATION NOTE MAXIMUM DUTY CYCLE The UC3842 and UC3843 have a maximum duty cycle of approximately 100 , value of R|, as low as possible. Figure 15 shows the open-loop frequency response of the UC3842 E/A. The
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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 UC3842/3/4/5 UC1842/3/4/5 UC1842 UC1844 UC1843 UC1845

JC3842

Abstract: DN-42A CC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however, they are , versus 500KHz with the UC3842. Both devices make use of an external resistor to set the charging current , voltage) clamp of 13.5 Volts typical versus 30 Voits on the UC3842. For applications which require a , 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
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JC3842 UCC3803 UCC3805 UCC3804 5v power supply with uc3842 CC-3802

UNITRODE applications handbook uc3842 -96

Abstract: UC3843 in isolated flyback converter Current Designs 3-54 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC , addition, the UC3842 series is optimized for efficient power sequencing of off-line converters, DC to DC , variations exclusively. This application note provides a functional description of the UC3842 family and highlights the features of each individual member, the UC3842, UC3843, UC3844 and UC3845 Throughout the text , characteristics apply to each member of the UC3842 series unless otherwise noted. A review of current mode
Texas Instruments
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UC3843 in isolated flyback converter UNITRODE applications handbook uc3843 -96 UC3843 application note buck UC3843 buck converter application note uc3843 step up power supply high efficiency on ic uc3843

5v power supply with uc3842

Abstract: power supply with uc3842 The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , with the UC3842. Both devices make use of an external resistor to set the charging current for the , output of the UCC3802 is a CMOS output versus a Bipolar output on the UC3842. Peak output current , (supply voltage) clamp of 13.5 Volts typical versus 30 Volts on the UC3842. For applications which , DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802
Unitrode
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power supply with uc3842 power supply on ic uc3842 power supply design uc3842 power supply using uc3842 flyback uc3842 power supply uc3842 power supply

UC3845 application note buck

Abstract: UC3843 application note buck Current Designs 3-54 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC , addition, the UC3842 series is optimized for efficient power sequencing of off-line converters, DC to DC , variations exclusively. This application note provides a functional description of the UC3842 family and highlights the features of each individual member, the UC3842, UC3843, UC3844 and UC3845 Throughout the text , characteristics apply to each member of the UC3842 series unless otherwise noted. A review of current mode
Texas Instruments
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UC3845 application note buck UC3843 step up converter UC3844 flyback application note UC3845 buck buck uc3842 application note UC3843 Boost converter UC3706 UC3901 U-101

UC3842 buck

Abstract: uc3842 flyback constant current a functionaldescription of the UC3842 and suggests how to incorporate the IC into practical power , APPLICATION NOTE UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL The fundamental challenge of , performance advantages of current-mode operation. In addition, the UC3842 is optimized for efficient power , pitfalls discussed. The final section presents designs of two power supplies utilizing UC3842 control , of a modular approach to power supply design. FUNCTIONAL DESCRIPTION A block diagram of the UC3842
STMicroelectronics
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UC3842 buck uc3842 flyback constant current boost uc3842 application note UC3842 note buck converter non isolated uc3842 constant current flyback transformer design uc3842

ucc3804

Abstract: power supply design uc3842 The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , with the UC3842. Both devices make use of an external resistor to set the charging current for the , output of the UCC3802 is a CMOS output versus a Bipolar output on the UC3842. Peak output current , (supply voltage) clamp of 13.5 Volts typical versus 30 Volts on the UC3842. For applications which , DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802
Unitrode
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uc3842 unitrode application uc3842 Power Trends

UFN432

Abstract: coilcraft e-4140-b CONFIGURATION 7 2.5V ON/OFF COMMAND TO REST OF IC VCC 0.5mA + ZI 2 VFB ­ 1 VON , 4.7k SHUTDOWN ISENSE 500 SHUTDOWN TO CURRENT SENSE RESISTOR NOTE: Shutdown of the UC3842 , 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 , · Off-line switched mode power supplies · DC-to-DC converters UC3842 BLOCK DIAGRAM 7(11) (12)7
Philips Semiconductors
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UFN432 coilcraft e-4140-b UC3842 mosfet driver transistor UFN432 E-4140-B mosfet UFN432 AWG22 AWG28 UC1901 90VAC 130VAC NE555

UC3843 application note buck

Abstract: uc3842 application circuit , the UC3842 series is optimized for ef ficient power sequencing of off-line converters, DC to DC , description of the UC3842 family and highlights the features of each in dividual member, the UC3842, UC3843 , circuits and performance characteristics apply to each member of the UC3842 series unless otherwise noted , pitfalls are mentioned. The final section presents designs of power supplies utilizing UC3842 control , U-100A _ U N ITR O D E APPLICATION NOTE UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL
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buck uc3843 uc3843 buck converter U100A UC3842 application note buck

uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 advance technique known as current mode control, and a novel PWM solution, the UC3842 controller. This IC , thresholds for the UCC 3802/3/4/5 devices are different from the previous generation of UC3842/3/4/5 PWMs , draws approximately 100 microamps of supply current. Once crossing the turnon threshold the IC supply , VOLTAGE The traditional 5.0V amplitude bandgap reference voltage of the UC3842 family can be also found , five volts. Many of the reference voltage specifications are similar to the UC3842 devices although
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

EC35-3c8

Abstract: EC35 TRANSFORMER and 0.7V negative on the feedback line. Open loop testing of the UC3842 in a current mode supply may , Pin 4 of the UC3842. A pulse of 1V peak nominal amplitude and 100ns minimum is required to trigger , 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
Philips Semiconductors
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EC35-3c8 EC35 TRANSFORMER uc38428 HIGH FREQUENCY Transformer ec35 UC3842 boost converter flyback uc3842 sync BUK474-200A 1N914 SL01097 PBYR735 1N5061 SL01089

uc3842 flyback constant current

Abstract: UC3842 boost converter a functional description of the UC3842 and suggests how to incorporate the IC into practical power , UC3842 appears in figure 4. This IC will operate from a low impedance DC source of 10 V to 30 V , transistors with the UC3842 output. The simple circuit of figure 15 can be used when the control IC is not , APPLICATION NOTE UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL The fundamental challenge of , performance advantages of current-mode operation. In addition, the UC3842 is optimized for efficient power
STMicroelectronics
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flyback uc3842 application note buck dc to dc uc3842 converter circuit diagram off-line flyback regulator uc3842 UC3842 boost uc3842 application

power supply with uc2842

Abstract: coilcraft e-4140-b , UC2842, UC3842 UNDERVOLTAGE LOCKOUT ON, OFF COMMAND TG REST OF IC UC18«2 Von 16V Vqff 10V £T , UC1842 UC2842 UC3842 Current-Mode PWM Controller DESCRIPTION The UC1842 family of control ICs , to source and sink high peak current from a capacitive load, such as the gate of a power MOSFET , 853-0614 93932 Rev. 1 Product Specification Current-Mode PWM Controller UCÃ842, UC2842, UC3842 ORDERING , UC1842, UC2842, UC3842 DC AND AC ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these
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E-4140 power supply with uc2842 coilcraft e4140 UC1842N e 4140 UC2842N UC1842S

24v dc power supply with uc3842

Abstract: unitrode Applications Note U-96A known as current mode control, and a novel PWM solution, the UC3842 controller. This IC contained , thresholds for the UCC 3802/3/4/5 devices are different from the previous generation of UC3842/3/4/5 PWMs , draws approximately 100 microamps of supply current. Once crossing the turnon threshold the IC supply , VOLTAGE The traditional 5.0V amplitude bandgap reference voltage of the UC3842 family can be also found , five volts. Many of the reference voltage specifications are similar to the UC3842 devices although
Unitrode
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unitrode Applications Note U-96A 24v to 12v dc power supply with uc3842 uc3842 dc/dc converter 24v application circuits U-96A UCC3804 application UC3842 application 24V U-133A UCC3800

UC284X

Abstract: uc3842 pin Configuration LOCKOUT Vcc ON/OFF COMMAND TO REST OF IC Vcc - UC1042 UC1844 V on VOFF 16V 10V UC1B43 , INTEGRATED CIRCUITS UNITRÜDE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM , 4 2 /3 /4 /5 family of control ICs provides th e necessary features to Im plem ent off-line or D C , in the off state. D ifferences between m embers of this fam ily are the under-voltage lockout thresholds and m aximum duty cycle ranges. T h e U C 1 8 4 2 and U C 1 8 4 4 have U V L O thresholds of 1 6 V
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UC284X uc3842 pin Configuration 95VAC 130VA

UC3842 note buck converter non isolated

Abstract: uc3842 unitrode 100 watt known as current mode control, and a novel PWM solution, the UC3842 controller. This IC contained , thresholds for the UCC 3802/3/4/5 devices are different from the previous generation of UC3842/3/4/5 PWMs , draws approximately 100 microamps of supply current. Once crossing the turnon threshold the IC supply , VOLTAGE The traditional 5.0V amplitude bandgap reference voltage of the UC3842 family can be also found , five volts. Many of the reference voltage specifications are similar to the UC3842 devices although
Unitrode
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UCC3801 schematic stepdown uc3842 uc3842 application circuits 24v transformer less power supply 12 volt 3A uc 3802 ic 3842 datasheet PE-64973 DN-42
Abstract: TO REST OF IC UC1842 UC1844 V on I I UC1843 UC1845 16V 8.4V Voff 10V 7.6V , IN T E G R A T E D C IR C U IT S UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UNITRODE , Response Characteristics DESCRIPTION The UC1842/3/4/5 family of control ICs provides the necessary , Channel MOSFETs, is low in the off slate. Differences between members of this family are the under-voltage lockout thresholds and maximum duty cycle ranges. The UC1842 and UC1844 have UVLO thresholds of -
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Q13D7

UCC3813-4

Abstract: pcb design on uc3842 the same pin configuration as the UC3842/3/4/5 family, and also offer the added features of internal , as the UC3842/3/4/5 family, and also offer the added features of internal full-cycle soft start and , as the UC3842/3/4/5 family, and also offer the added features of internal full-cycle soft start and , devices have the same pin configuration as the UC3842/3/4/5 family, and also offer the added features of , UC3842/3/4/5 family, and also offer the added features of internal full-cycle soft start and internal
Unitrode
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UCC3813-3 UCC3813-4 SSYA008 SLUA149 pcb design on uc3842 UC3842 pinout pcb for uc3842 UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 UCC3813-5 UCC3813-2
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