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UC3842 Datasheet

Part Manufacturer Description PDF Type
UC3842 Fairchild Semiconductor SMPS Controller Original
UC3842 Fairchild Semiconductor SMPS Controller Original
UC3842 Kexin Current-Mode PWM Controller Original
UC3842 Philips Semiconductors Current-mode PWM controller Original
UC3842 STMicroelectronics CURRENTMODE PWM CONTROLLER Original
UC3842 STMicroelectronics HIGH CURRENT SWITCHING REGULATORS Original
UC3842 STMicroelectronics UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL Original
UC3842 Texas Instruments Current Mode PWM Controller Original
UC3842 Unitrode Current Mode PWM Controller Original
UC3842 N/A Television Microprocessor Datasheet Scan
UC3842 Texas Instruments Current Mode PWM Controller Scan
UC3842/8-D N/A Shortform Data and Cross References (Misc Datasheets) Scan
UC3842A Contek Microelectronics Current mode PWM control circuit. Original
UC3842A Fairchild Semiconductor SMPS Controller Original
UC3842A FCI Power Supply Original
UC3842A Microsemi CURRENT MODE PWM CONTROLLER Original
UC3842A Motorola HIGH PERFORMANCE CURRENT MODE CONTROLLERS Original
UC3842A On Semiconductor High Performance Current Mode Controller Original
UC3842A On Semiconductor High Performance Current Mode Controllers Original
UC3842A On Semiconductor High Performance Current Mode Controllers Original
Showing first 20 results.

UC3842

Catalog Datasheet MFG & Type PDF Document Tags

uc3842

Abstract: UC3842 soft start in lower start up and operating currents as compared to the bipolar UC3842. As an added feature, the , , this device has better noise immunity and requires a smaller external RC filter than the UC3842. These , using the UC3842. DN-89 3-516 DN-89 Table II. Component function and requirement comparison , UCC3802 and the 14 pin SOIC D package is the smallest package that will accom modate the UC3842. , DN-89 UNITRQOE Design Note Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM
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UC3842 soft start UC3842 p pwm flyback uc3842 uc3842 converter design UC3842 flyback of ic uc3842

12v dc power supply with uc3845

Abstract: uc3843 dc dc converter -DIP UC3845N UC3842D1 UC3843D1 UC3844D1 8-SOP 0 ~ + 70°C UC3845D1 UC3842D UC3843D UC3844D 14 , 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
Fairchild Semiconductor
Original
12v dc power supply with uc3845 uc3843 dc dc converter UC3845 dc dc applications UC3842 smps design uc3845 smps UC3844 application note UC3842/UC3843/UC3844/UC3845 500KH 14-SOP 14SOP UC3843N UC3844N

uc3842 circuit diagram

Abstract: UC3842 mosfet driver Package Operating Temperature UC3842N UC3843N UC3844N 8 DIP UC3845N 0 ~ + 70°C UC3842D , 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 , Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International UC3842/UC3843/UC3844
Fairchild Semiconductor
Original
uc3842 circuit diagram UC3842 mosfet driver uc3844 smps power supply uc3844 reference smps SMPS CIRCUIT DIAGRAM UC3842 power supply with uc3842 with circuit diagram UC3845D

JC3842

Abstract: DN-42A bandwidth error amplifier versus 1 MHz on the UC3842. Feedback techniques are identical to the UC3842 family , CC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however, they are , and the internal oscillator discharge transistor on-resistance, like the UC3842. However, maximum duty , output on the UC3842. Peak output current remains the same +/- 1 Amp. The CM O S output provides very , versus 500KHz with the UC3842. Both devices make use of an external resistor to set the charging current
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DN-42A JC3842 UCC3803 UCC3805 UCC3804 5v power supply with uc3842

uc3842

Abstract: 12v dc power supply with uc3845 /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3843N UC3844N UC3845N UC3842D1 , 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
Fairchild Semiconductor
Original
uc3845 application smps uc3845 reference smps application notes uc3842 uc3842 smps UC3842 smps diagram UC3845 application note UC3845D1X

5v power supply with uc3842

Abstract: power supply with uc3842 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805 , The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , transistor. PIN 2 FB-The UCC3802 features a 2 MHz bandwidth error amplifier versus 1 MHz on the UC3842. , resistor RT and the internal oscillator discharge transistor on-resistance, like the UC3842. However , with the UC3842. Both devices make use of an external resistor to set the charging current for the
Unitrode
Original
power supply with uc3842 power supply on ic uc3842 power supply design uc3842 Datasheet of ic uc3842 power supply using uc3842 flyback uc3842 power supply

flyback uc3843

Abstract: off-line flyback regulator uc3845 UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , 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
STMicroelectronics
Original
flyback uc3843 off-line flyback regulator uc3845 u3844 uc3843 flyback supply power supply with uc2842 off-line flyback regulator uc3844 UC3842/3/4/5 UC2842/3/4/5-UC3842/3/4/5

u3844

Abstract: power supply with uc3842 with circuit diagram {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 , SENSE COMPARATOR U C 3842 May 1995 1/11 7^537 D07bb43 m UC2842/3/4/5-UC3842/3/4/5
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uc2842 pwm uc2842 uc2845n uc3843 bl uc3843 pin diagram uc3842 AL 7R2R237

ucc3804

Abstract: power supply design uc3842 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805 , The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , transistor. PIN 2 FB-The UCC3802 features a 2 MHz bandwidth error amplifier versus 1 MHz on the UC3842. , resistor RT and the internal oscillator discharge transistor on-resistance, like the UC3842. However , with the UC3842. Both devices make use of an external resistor to set the charging current for the
Unitrode
Original
uc3842 unitrode application uc3842 Power Trends

uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 Fairchild P/N UC3842 - SMPS Controller Product status/pricing/packaging Product UC3842DX UC3842N UC3842D1 , /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3843N UC3844N UC3845N UC3842D1 , 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
Fairchild Semiconductor
Original
UC3843 application note uc3843 application SMPS WITH UC3843 UC3845 application notes MOSFET uc3843 UC3845DX

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 , (DIP) 0 to +70°C UC3842N 0404B 14-Pin Plastic Small Outline (SO) Package 0 to +70°C UC3842D 0405B ABSOLUTE MAXIMUM RATINGS1 SYMBOL PARAMETER RATING UNIT VCC Supply
Philips Semiconductors
Original
UFN432 coilcraft e-4140-b transistor UFN432 E-4140-B mosfet UFN432 off-line flyback regulator uc3842 AWG22 AWG28 UC1901 90VAC 130VAC NE555

EC35-3c8

Abstract: EC35 TRANSFORMER ) is the primary converter operating condition addressed in this application note for the UC3842. , 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
Original
EC35-3c8 EC35 TRANSFORMER uc38428 HIGH FREQUENCY Transformer ec35 uc3842 flyback constant current uc3842 application note BUK474-200A 1N914 SL01097 PBYR735 1N5061 SL01089

flyback uc3842

Abstract: of ic uc3842 result in lower start up and operating currents as compared to the bipolar UC3842. As an added feature , requires a smaller external RC filter than the UC3842. These components are not required with the UCC3802 , 1. Isolated flyback converter using the UC3842. 2 DN-89 VIN VOUT CVIN RVFB RSS , SOIC D package is the smallest package that will accommodate the UC3842. Although not directly a , DN-89 Design Note Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers by
Unitrode
Original
UC3842 ON Semiconductor uc3842 application circuit IC UC3842 uc3842 equivalent uc3842 application ic uc3842 datasheet

flyback uc3843

Abstract: u3844 UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , REFERENCE 500 KHz OPERATION LOW RO ERROR AMP DESCRIPTION The UC3842/3/4/5 family of control ICs , . 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
STMicroelectronics
Original
forward converter UC3843 forward converter uc3844 UC3843 flyback converter flyback uc3843 application DATA UC3843 UC3843 circuit diagram

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 CODE DWG # 8-Pin Plastic Dual In-Line Package (DIP) 0 to +70°C UC3842N 0404B 14-Pln Plastic Small
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uc3642 ac regulator uc3842 uc3642 application flyback transformer design uc3842 flyback uc3842 application note ltsj 711DAEL 130VA 0G7T43D

flyback uc3842

Abstract: u3844 UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , 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
STMicroelectronics
Original
uc3843 dc 5v uc3845 flyback UC2843N UC2844 flyback application

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 , description of the UC3842 family and highlights the features of each in dividual member, the UC3842, UC3843, UC3844 and UC3845 Throughout the text, the UC3842 part number will be referenced, however the generalized
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UC3843 application note buck UC3843 buck converter application note UC3845 application note buck buck uc3842 application note buck uc3843 UC3845 buck

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 INFORMATION DESCRIPTION TEMPÉRATURE RANGÉ ORDÉR CODÉ 8-Pin Plâstic DIP 0 to +70°C UC3842N 14-Pin Plastic SO 0 to +70°C UC3842D 8-Pin Plastic DIP -40 to +85°C UC2842N 14-Pin Plastic SO -40 to + 85 , UC1842, UC2842, UC3842 DC AND AC ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these
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E-4140 coilcraft e4140 UC1842N e 4140 UC3842 pin a pin mosfet driver UC1842S
Abstract: UC3842D1 UC3843D1 UC3844D1 8-SOP 0 ~ + 70°C UC3845D1 UC3842D UC3843D UC3844D 14 , 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 Fairchild Semiconductor
Original

UC3842 buck

Abstract: uc3842 flyback constant current : Providing Power to the UC3842. OSCILLATOR The UC3842 oscillator is programmed as shown in figure 7a , situations and how to correct them when using the UC3842. SLOPECOMPENSATION PREVENTS INSTABILITIES It is , deadtime varies for the UC3842. This minimum deadtime varies with RT and therefore with frequency, as , FLYBACK Figure 24 shows a 25 W multiple-output off-line flyback regulator controlled with the UC3842. , APPLICATION NOTE UC3842 PROVIDES LOW-COST CURRENT-MODE CONTROL The fundamental challenge of
STMicroelectronics
Original
UC3842 buck boost uc3842 application note UC3842 note buck converter non isolated uc3842 constant current flyback uc3842 sync UC3842 application note buck

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 , UNDER-VOLTAGE LOCKOUT The UVLO circuit insures that Vcc is adequate to make the UC3842/3/4/5 fully operational , current. OSCILLATOR The UC3842 oscillator is programmed as shown in Figure 8. Timing capacitor CT is
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unitrode Applications Note U-96 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w 500W boost converter uc3843 UC1842/3/4/5 UC1844 UC1843 UC1845 UC3706 UC3901

JC3842

Abstract: C3842 = 7#, lìaiomiòKHigM M tKSg 7 S G S -T H O M S O N UC2842/3/4/5 UC3842/3/4/5 CURRENT , thresholds and maximum duty cycle ranges. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off , 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 , ) er 1991 1/8 781 UC2842/3/4/5-UC3842/3/4/5 ABSO LU TE MAXIM UM RATING S * S ym bol P a ra m , id ip S014 UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 UC2842N UC2843N UC2844N
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OCR Scan
C3842 UC3843 12v to 16v 9A73 UC3844 flyback JC3842/3/4/5 UC2842/3/4/5-

ka3842 equivalent uc3842

Abstract: UC3843 equivalent AS3843 AS3844 AS3845 UC3842 UC3843 UC3844 UC3845 CS2843 CS3842 CS3843 EL7104 EL7114 EL7202 EL7212 EL7222 , LT1243 LT1244 LT1245 ICL7667 MAX4428 MH0026 TSC426 UC2842 UC2843 UC3842 UC3843 M2981 M2982 M54562 M54563 MH0026 UC3842 UC3843 DS0026 LM2574-ADJ LM2574-xx Micrel Equivalent MIC38C45 MIC1555 MIC2660 MIC4426 , LMC555 LMC7101 LMC7111 LMC7211 LMC7221 LP2950-xx LP2951 LP2954 MM5450 MM5451 NHM0026 NMH0026 UC3842 , LM2576-xx LP2951 M5450 M5451 SGS1626/2626/3626 UC3842 UC3843 UC3844 UC3845 SG1626/2626/3626 SG1644/2644/3644
Micrel Semiconductor
Original
GL3844 ka3842 equivalent uc3842 UC3843 equivalent LM2981 ICL7555 IXLD4425 KA3843 equivalent A2982 UCN4807 UCN4810 UCN5800 UCN5801 UCN5810
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