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Part Manufacturer Description Datasheet BUY
UC3845D-8 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 visit Texas Instruments
UC3845J Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8 visit Texas Instruments
UC3845Y Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, UUC8 visit Texas Instruments
UC3845AQ Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20 visit Texas Instruments
UC3845NG4 Texas Instruments Current-Mode PWM Controller 8-PDIP 0 to 70 visit Texas Instruments
UC3845ADWTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16 visit Texas Instruments

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UC3845 Datasheet

Part Manufacturer Description PDF Type
UC3845 Fairchild Semiconductor SMPS Controller Original
UC3845 Fairchild Semiconductor SMPS Controller Original
UC3845 Motorola High Performance Current Mode Controllers Original
UC3845 On Semiconductor High Performance Current Mode Controller Original
UC3845 STMicroelectronics CURRENTMODE PWM CONTROLLER Original
UC3845 STMicroelectronics HIGH CURRENT SWITCHING REGULATORS Original
UC3845 Texas Instruments Current Mode PWM Controller Original
UC3845 Texas Instruments (UC3842 - UC3845) Current Mode PWM Controller Original
UC3845 Texas Instruments Current Mode PWM Controller Original
UC3845 Motorola Switchmode Datasheet Scan
UC3845 N/A The Power Supply IC Data Book 1993 Scan
UC3845 Texas Instruments Current Mode PWM Controller Scan
UC3845A FCI High Performance Current Mode Controller Original
UC3845A Microsemi CURRENT MODE PWM CONTROLLER Original
UC3845A STMicroelectronics HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Original
UC3845A STMicroelectronics HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Original
UC3845A Texas Instruments SMPS Controller - Datasheet Reference Original
UC3845A Texas Instruments (UC384xA) Current Mode PWM Controller Original
UC3845A Unitrode Current Mode PWM Controller Original
UC3845AD Microsemi CURRENT MODE PWM CONTROLLER Original
Showing first 20 results.

UC3845

Catalog Datasheet MFG & Type PDF Document Tags

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 cycle. The UC3844and UC3845 can operate with 50% duty cycle. Low Start Up Current Maximum Duty , Block Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation UC3842/UC3843/UC3844/UC3845
Fairchild Semiconductor
Original
UC3842 smps design UC3843 application note uc3844 smps power supply UC3844 application note uc3845 smps UC3845 application note UC3842/UC3843/UC3844/UC3845 UC3844 500KH 14-SOP UC3842N UC3843N

UC28450

Abstract: off-line flyback regulator uc3845 , UC3845 series are high perform ance fixed frequency current mode controllers. They are specifically , /CT [ T (Top View) ORDERING INFORMATION Device UC3844D UC3845D UC3844N Temperature Range Package SO -14 0° to + 70°C SO -14 Plastic UC3845N Plastic UC2844D SO -14 UC28450 , , UC3845, UC2844, UC3845 M AXIM UM RATINGS Symbol Value Unit ( ic e + !z) 30 mA Output , , UC3845 UC2844, UC2845 ta Rating Total Power Supply and Zener Current 3 Power Dissipation
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off-line flyback regulator uc3845 DC/DC converter UC3845 SO-14 UCX844 UCX845 Z7157

off-line flyback regulator uc3845

Abstract: uc38458 UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 , : UC3844/D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Symbol Value Unit (ICC + , Ambient Temperature UC3844, UC3845 UC2844, UC2845 TA Storage Temperature Range Tstg Total , ambient as possible. Thigh = +70°C for UC3844, UC3845 Tlow = 0°C for UC3844, UC3845 -25 °C for UC2844, UC2845 +85°C for UC2844, UC2845 http://onsemi.com 2 UC3844, UC3845, UC2844, UC2845 ELECTRICAL
ON Semiconductor
Original
uc38458 Datasheet of ic uc3845 UC3844 flyback application note UC2845 SO14 uc3844 transformer design UC2844 flyback application

UC3844 flyback application note

Abstract: off-line flyback regulator uc3845 UC3844NG TA = 0° to +70°C UC3845D SOIC-14 55 Units/Rail UC3845DR2 SOIC-14 2500 Tape & Reel UC3845DR2G SOIC-14 (Pb-Free) 2500 Tape & Reel PDIP-8 50 Units/Rail UC3845NG , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 , : UC3844/D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Symbol Value Unit (ICC + , Ambient Temperature UC3844, UC3845 UC2844, UC2845 TA Storage Temperature Range Tstg Total
ON Semiconductor
Original
forward converter uc3844 UC3845 dc dc applications UC3845 constant power pin connections UC3844 uc3845 PWM power supply application note off-line flyback regulator uc3844

UC3844 flyback application note

Abstract: uc3845 flyback UC3844N UC3844NG UC3845BD UC3845BD1 UC3845BD1R2 UC3845BDR2 UC3845BN UC3845BNG UC3845BVD UC3845BVD1 UC3845BVD1R2 UC3845BVDR2 UC3845BVN TA = 0° t to +70 70°C TA = -25° to +85°C Ordering Temperature Range Package , . http://onsemi.com 14 UC3844, UC3845, UC2844, UC2845 ORDERING INFORMATION Device UC3845D UC3845DR2 UC3845N TA = 0° to +70°C Ordering Temperature Range Package SOIC-14 SOIC-14 PDIP-8 Shipping 55 , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 series
ON Semiconductor
Original
uc3845 flyback UC3845 flyback application note UC3844BN equivalent UC3845BN equivalent UC2845 application notes flyback uc3845 application

uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 Fairchild P/N UC3845 - SMPS Controller Product status/pricing/packaging Product UC3845D UC3845N UC3845DX , /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3843N UC3844N UC3845N UC3842D1 UC3843D1 UC3844D1 UC3845D1 UC3842D UC3843D UC3844D UC3845D 14-SOP 8-SOP 0 ~ + 70°C 8-DIP Package Operating , 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
Fairchild Semiconductor
Original
uc3845 application smps SMPS CIRCUIT DIAGRAM UC3842 uc3843 dc dc converter uc3844 reference smps UC3842 smps diagram uc3845 reference smps 14SOP
Abstract: -SOP UC3845D 11 UC3842/UC3843/UC3844/UC3845 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO , Features Description â'¢ â'¢ â'¢ â'¢ 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 , 14SOP PINNO. * TOGGLE FLIP FLOP USED ONLY IN UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Fairchild Semiconductor
Original

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-SOP UC3845D 11 UC3842/UC3843/UC3844/UC3845 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO , 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
Fairchild Semiconductor
Original
12v dc power supply with uc3845 uc3843 dc 5v uc3842 application circuit power supply with uc3842 DATA UC3843 power supply with uc3842 with circuit diagram

uc3842 circuit diagram

Abstract: UC3842 mosfet driver UC3843D UC3844D UC3845D 10 14 SOP UC3842/UC3843/UC3844/UC3845 11 UC3842/UC3843/UC3844 , 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 cycle. The UC3844and UC3845 can operate with 50% duty cycle. Low Start Up Current Maximum
Fairchild Semiconductor
Original
uc3842 circuit diagram UC3842 mosfet driver uc3845 applications MOSFET uc3843 UC3842 Open Loop Circuit diagram UC3843 diagram

uc3842

Abstract: 12v dc power supply with uc3845 /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3843N UC3844N UC3845N UC3842D1 UC3843D1 UC3844D1 UC3845D1 UC3842D UC3843D UC3844D UC3845D 14-SOP 8-SOP 0 ~ + 70°C 8-DIP Package Operating , | Privacy policy space © Copyright 2002 Fairchild Semiconductor space file:///D|/fair/pdf/UC3845D1.html , Hysteresis Operating Frequency Up To 500KHz file:///D|/fair/pdf/UC3845D1.html back to top Product , www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start
Fairchild Semiconductor
Original
application notes uc3842 uc3842 smps uc3845 smps power supply UC3842 ON Semiconductor UC3845D1X

UC3844

Abstract: uc3845 UC3844 , UC2844 , UC3845 , UC2845 P â'¢ U^'n u-^WWEItt -389-mot rsttâ'" ./fy? â  a. uâ , ( UC3844, UC3845) -25-F85r ( UC2844, UC2845) -65-F150r ííifS-tyX.ISVí- F^-yí'ATj ^ -7 ? amSO-u/ív-r-¡;e»JSlTt'*T. - 390- UC3844 , UC2844 , UC3845 , UC2845 i m«[7 c yv NC [2 ¡a Ne 5JÃ7 -f , -t »] S * # UC2844, UC2845 UC3844, UC3845 * te « 'h m m « * « * m m « * ïcc f-Tv^lt , UC3844 , UC2844 , UC3845 , UC2845 gare- K â'¢ n U-gftjamitt ( oo'j) mot ««ÉfifcïlïÃÃ'^S) (Ftc
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UC2845P F150R 251C 12VSVCCS25V UC2S45

UC3844 flyback application note

Abstract: UC3844 flyback transformer UC3844, UC3845, UC2844, UC2845 ORDERING INFORMATION Device UC3844D UC3844DR2 UC3844N UC3844NG UC3845D UC3845DR2 UC3845N UC3845NG UC2844D UC2844DR2 UC2844N UC2845D UC2845DR2 UC2845N TA = -25 25° to +85°C TA = 0 , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 series , /D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Total Power Supply and Zener Current , Junction-to-Air Operating Junction Temperature Operating Ambient Temperature UC3844, UC3845 UC2844, UC2845 Storage
ON Semiconductor
Original
UC3844 flyback transformer UC3844 flyback converter UC3844 flyback boost uc3844 application note MC14551 PIN CONFIGURATION OF IC uc3845

UC3845 flyback application note

Abstract: off-line flyback regulator uc3845 CONTROLLER A dvance Information High Performance Current Mode Controller The UC3844, UC3845 series are , , UC3845, UC2844, UC3845 MAXIMUM RATINGS R ating Total P o w er S u pply and Z e n e r C u rrent O utpu t , DATA 3-516 UC3844, UC3845, UC2844, UC3845 ELECTRICAL CHARACTERICISTICS ( V q q = 15 V, [N ote 2 , , UC3845, UC2844, UC3845 Figure 1. Timing Resistor versus Oscillator Frequency Figure 2. Output Dead Time , 200 mV/DIV UC3844, UC3845, UC2844, UC3845 Figure 7. Reference Voltage Change versus Source
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uc38450 UC 3845 PWM IC of ic uc3845 UC3845 transformer design 3844n uc 3845 dc dc co

uc38458

Abstract: UC3844 flyback application note Units/Rail UC3845DR2 SOIC-14 2500 Tape & Reel UC3845DR2G SOIC-14 (Pb-Free) 2500 Tape , PDIP-8 (Pb-Free) 50 Units/Rail UC3845D UC3845N UC2844N UC2844NG TA = -25° to +85°C , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 , Publication Order Number: UC3844/D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Symbol , Operating Ambient Temperature UC3844, UC3845 UC2844, UC2845 TA Storage Temperature Range Tstg
ON Semiconductor
Original
AN UC3845 UC2844 flyback application source 36V 3A diode Ferroxcube 3C8 uc3844 PWM power supply application note isolated feedback uc2844

uc38458

Abstract: uc3845 flyback -14 (Pb-Free) 55 Units/Rail UC3845DR2 SOIC-14 2500 Tape & Reel UC3845DR2G SOIC-14 (Pb-Free , Units/Rail PDIP-8 (Pb-Free) 50 Units/Rail UC3845D UC3845N UC2844N UC2844NG TA = -25° , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 , Publication Order Number: UC3844/D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Symbol , Operating Ambient Temperature UC3844, UC3845 UC2844, UC2845 TA Storage Temperature Range Tstg
ON Semiconductor
Original
scr transformer drive gate uc2844 EC35-3c8 UC3844dg UC384X UCX845A uc3845 circuits

UC3845

Abstract: flyback uc3845 application Device UC3844D UC3844DG UC3844DR2 UC3844DR2G UC3844N UC3844NG UC3845D UC3845DR2 UC3845DR2G UC3845N , UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers The UC3844, UC3845 series , : UC3844/D UC3844, UC3845, UC2844, UC2845 MAXIMUM RATINGS Rating Total Power Supply and Zener Current , Junction-to-Air Operating Junction Temperature Operating Ambient Temperature UC3844, UC3845 UC2844, UC2845 Storage , observed. http://onsemi.com 914 UC3844, UC3845, UC2844, UC2845 ELECTRICAL CHARACTERISTICS (VCC =
ON Semiconductor
Original
UC3845 application notes power supply with uc2844 UC2844DG UC2844DR2G UC2845DG UC2845DR2G UC2845NG BRD8011/D

UC3843 diagram

Abstract: UC2843 applications UC2842, UC2843, UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 CURRENT-MODE P W M CONTROLLERS D3175 , 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 , , TEXAS 752 6 5 o 1 in IT ) UC2842, UC2843, UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 , , UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 CURRENT-MODE PWM CONTROLLERS electrical characteristics, V
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UC2843 applications unitrode Applications Note uc3843 uc3843 power factor uc 3842 am uc 3842 applications 1989-REVISED U02845

PIN CONFIGURATION OF IC uc3845

Abstract: forward converter uc3844 The UTC UC3844 and UTC UC3845 are high performance fixed frequency current mode controllers. They are , ), ideally suited for off-line converters. The UTC UC3845 is tailored for lower voltage applications having , 11.5 8.2 % DCmax DCmin Icc Vz Vcc=6.5V for UC3845 Vcc=14V for UC3844 Icc=25mA 47 30 48 0.5 12 36 50 0 , Output Voltage Rise Time Output Voltage Fall Time Startup Threshold UC3844 UC3845 Minimum Operating Voltage After Turn-On UC3844 UC3845 V ns ns V UNDERVOLTAGE LOCKOUT SECTION PWM SECTION Duty
Unisonic Technologies
Original
QW-R103-001 UC3845 DIP8 switch mode power supply using uc3844 uc3844 45 UC384 UC3844/45 QW-R103-010

utc 3845

Abstract: UC3844 UC3844G-S08-T UC3845L-D08-T UC3845G-D08-T UC3845L-S08-R UC3845G-S08-R UC3845L-S08-T UC3845G-S08-T Package DIP , minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges , thresholds of 16V(ON) and 10V(OFF), and UC3845 has UVLO thresholds of 8.5V(ON) and 7.6V(OFF) for lower , tF UNDERVOLTAGE LOCKOUT SECTION UC3844 14.5 16.0 17.5 Startup Threshold VTHR V UC3845 7.8 8.4 9.0 UC3844 8.5 10.0 11.5 Minimum Operating VCC(MIN) V Voltage After Turn-On UC3845 7.0 7.6 8.2 PWM SECTION 47
Unisonic Technologies
Original
utc 3845 UC3845L UC3845G UC3844/3845 UC3844L-D08-T UC3844G-D08-T UC3844L-S08-R UC3844G-S08-R UC3844L-S08-T

replacement for udn2981

Abstract: icl7555 UC3845 National DS0026 LM2574 LM2575 LM2576 LM2594 LM2595 LM2596 LM2930 LM2931 LM2937 LM2940 LM2941 LM385 , S81340 S81350 SGS-Thomson LF120 LF33 LF50 M5450 M5451 SGS2626 SGS3626 UC3842 UC3843 UC3844 UC3845 , UC2842 UC2843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 Toko TK112xx TK113xx TK116xx TK119xx TK711xx TK712xx TK713xx Unitrode UC2575 UC2576 UC2842 UC2843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 Notes
Micrel Semiconductor
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UCN5800 MIC4427 MIC2940 replacement for udn2981 icl7555 replacement for icl7660 LT751M MIC38C43 lm555 texas A8184 A8187 A8188 UCN4807 UCN5801

UC3845L

Abstract: forward converter uc3844 minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle , UVLO thresholds of 16V(ON) and 10V(OFF), and UC3845 has UVLO thresholds of 8.5V(ON) and 7.6V(OFF) for , Threshold VTHR V UC3845 7.8 8.4 9.0 Minimum Operating UC3844 8.5 10.0 11.5 V VCC(MIN) Voltage After Turn-On 7.0 7.6 8.2 UC3845 PWM SECTION Max DCMAX 47 48 50 % Duty Cycle Min DCMIN 0 % TOTAL DEVICE Power Supply Zener Voltage VZ ICC=25mA 30 36 V UC3845 VCC=6.5V 0.5 1.0
Unisonic Technologies
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UC3844-D08-T UC3844-S08-R uc3844 applications UC3845S UC3844L 12v dc power supply with uc3844 UC3844 DIP8 uc3845 reference UC3844L/UC3845L UC3844-S08-T UC3845-D08-T UC3845-S08-R

uc38458

Abstract: forward converter uc3844 Controllers The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They , Temperature TJ + 150 °C Operating Ambient Temperature UC3844, UC3845 UC2844, UC2845 TA , as close to ambient as possible Tlow = ­20°C for UC3844, UC3845 Thigh = +70°C for UC3844, UC3845 , Tlow = ­20°C for UC3844, UC3845 Thigh = +70°C for UC3844, UC3845 Tlow = ­25°C for UC2844, UC2845 , MOTOROLA ANALOG IC DEVICE DATA UC3844, 45 UC2844, 45 OPERATING DESCRIPTION The UC3844, UC3845 series
Motorola
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uc3844 14 pin ic configuration BIPOLAR MOTOROLA 2N EC35 TRANSFORMER
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