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UC3845P Texas Instruments IC 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8, Switching Regulator or Controller ri Buy
UC3845NG4 Texas Instruments Current-Mode PWM Controller 8-PDIP 0 to 70 ri BuyFREE Buy
UC3845D8TRG4 Texas Instruments Current-Mode PWM Controller 8-SOIC 0 to 70 ri Buy

UC3845 Datasheet

Part Manufacturer Description PDF Type Ordering
UC3845 Motorola Switchmode Datasheet
ri

1 pages,
49.83 Kb

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UC3845N On Semiconductor Over 600 obsolete distributor catalogs now available on the Datasheet Archive - Switching Reg Control Circuit, Single Ended, 1000mA, 8.2V to 30V, 8 Lead DIP
ri

1 pages,
32.72 Kb

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UC3845P N/A Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
ri

1 pages,
40.09 Kb

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UC3845 N/A The Power Supply IC Data Book 1993
ri

3 pages,
81.46 Kb

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UC3845 Fairchild Semiconductor SMPS Controller
ri

12 pages,
125.29 Kb

Original Buy
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UC3845 Fairchild Semiconductor SMPS Controller
ri

10 pages,
89.85 Kb

Original Buy
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UC3845 Motorola / Freescale Semiconductor High Performance Current Mode Controllers
ri

14 pages,
376.03 Kb

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UC3845 On Semiconductor High Performance Current Mode Controller
ri

16 pages,
350.68 Kb

Original Buy
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UC3845 STMicroelectronics CURRENTMODE PWM CONTROLLER
ri

11 pages,
96.16 Kb

Original Buy
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UC3845 STMicroelectronics HIGH CURRENT SWITCHING REGULATORS
ri

199 pages,
2896.95 Kb

Original Buy
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UC3845

Catalog Datasheet Results Type PDF Document Tags
Abstract: UC3843D UC3843D UC3844D UC3844D UC3845D 10 14 SOP UC3842/UC3843/UC3844/UC3845 11 UC3842/UC3843/UC3844 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 UC3843 and UC3845 are 8.5V (on) and 7.9V (off) The UC3842 UC3842 and UC3843 UC3843 can operate within 100% duty cycle. The UC3844and UC3845 can operate with 50% duty cycle. Low Start Up Current Maximum ... Original
datasheet

12 pages,
89.74 Kb

uc3845 smps power supply uc3844 applications UC3843 pwm uc3845 reference smps UC3843 circuit diagram uc3842 smps UC3845 MOSFET uc3843 UC3843 diagram UC3843 UC3844 uc3845 applications SMPS CIRCUIT DIAGRAM UC3842 UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract
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Abstract: 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 UC3843 and UC3845 are 8.5V (on) and 7.9V (off) The UC3842 UC3842 and UC3843 UC3843 can operate within 100% duty cycle. The UC3844and UC3845 can operate with 50% duty cycle. Low Start Up Current Maximum Duty Clamp , Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation UC3842/UC3843/UC3844/UC3845 ... Original
datasheet

10 pages,
89.85 Kb

UC3843 UC3842 APPLICATION NOTE UC3842 Circuit diagram power supply with uc3842 AN UC3845 UC3843 datasheet uc3842 application circuit uc3844 reference smps 5v power supply with uc3842 UC3845 dc dc applications UC3842 mosfet driver uc3845 application smps UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract
datasheet frame
Abstract: UC3845 are 8.5 V and 7.9 V. The UC3842 UC3842 and UC3843 UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the UC3844 UC3844 and UC3845 by the addition of an internal toggle flip , in U3844 U3844 and UC3845) I October 1991 1/8 819 ... OCR Scan
datasheet

1 pages,
42.09 Kb

uc3844 uc3845 applications uc-3843 dc dc uc3843 UC3845 dc dc applications UC3845 uc3843 U3844 UC3842 UC2842/3/4/5 UC3842/3/4/5 UC2842/3/4/5 abstract
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Abstract: 8-DIP UC3845N UC3842D1 UC3842D1 UC3843D1 UC3843D1 UC3844D1 UC3844D1 8-SOP 0 ~ + 70°C UC3845D1 UC3842D UC3842D UC3843D UC3843D UC3844D UC3844D 14-SOP 14-SOP UC3845D 11 UC3842/UC3843/UC3844/UC3845 DISCLAIMER FAIRCHILD SEMICONDUCTOR , 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 UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 UC3842 and UC3843 UC3843 can operate within 100% ... Original
datasheet

12 pages,
125.29 Kb

AN UC3845 UC3842 mosfet driver UC3843 diagram power supply with uc3842 DATA UC3843 UC3845 application note UC3843 UC3845 uc3845 application smps uc3843 dc 5v UC3844 uc3844 smps power supply uc3842 UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract
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Abstract: UC3845 - SMPS Controller Product status/pricing/packaging Product UC3845D UC3845N UC3845DX UC3845D1 , /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3842N UC3843N UC3843N UC3844N UC3844N UC3845N UC3842D1 UC3842D1 UC3843D1 UC3843D1 UC3844D1 UC3844D1 UC3845D1 UC3842D UC3842D UC3843D UC3843D UC3844D UC3844D UC3845D 14-SOP 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 ... Original
datasheet

20 pages,
229.13 Kb

UC3845 application notes power supply design uc3842 SMPS WITH UC3843 uc3843 application uc3844n UC3845 application note uc3843 UC3843 application note uc3844 uc3845 reference smps UC3844 application note 12v dc power supply with uc3845 UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract
datasheet frame
Abstract: UC3844 UC3844 , UC2844 UC2844 , UC3845 , UC2845 UC2845 P • U^'n u-^WWEItt -389-mot rstt- ./fy? - a. u- ?MWiagS"C*. , ( DIL) i5or 0~70r ( UC3844 UC3844, UC3845) -25-F85r ( UC2844 UC2844, UC2845 UC2845) -65-F150r ííifS-tyX.ISVí- F^-yí'ATj ^ -7 ? amSO-u/ív-r-¡;e»JSlTt'*T. - 390- UC3844 UC3844 , UC2844 UC2844 , UC3845 , UC2845 UC2845 i m«[7 c yv NC [2 , »] S * # UC2844 UC2844, UC2845 UC2845 UC3844 UC3844, UC3845 * te « 'h m m « * « * m m « * ïcc f-Tv^lt, Kcc :UV , Lowtt*,iît=15kfl4-7«BCSI(, Vf,=2.7V 0.8 1.1 0.8 1.1 -391 - UC3844 UC3844 , UC2844 UC2844 , UC3845 , UC2845 UC2845 gare- ... OCR Scan
datasheet

4 pages,
81.46 Kb

251C UC2845 UC2844 uc3845 UC3844 UC3845 UC3844 abstract
datasheet frame
Abstract: /UC3843/UC3844/UC3845 Ordering Information Product Number UC3842N UC3842N UC3843N UC3843N UC3844N UC3844N UC3845N UC3842D1 UC3842D1 UC3843D1 UC3843D1 UC3844D1 UC3844D1 UC3845D1 UC3842D UC3842D UC3843D UC3843D UC3844D UC3844D UC3845D 14-SOP 14-SOP 8-SOP 0 ~ + 70°C 8-DIP Package Operating , © Copyright 2002 Fairchild Semiconductor space file:///D|/fair/pdf/UC3845D1.html Fairchild , Operating Frequency Up To 500KHz file:///D|/fair/pdf/UC3845D1.html back to top Product status/pricing , www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start ... Original
datasheet

20 pages,
228.72 Kb

how to test scr Cross-Reference mosfet Data SMPS CIRCUIT DIAGRAM UC3842 uc3844 applications uc3844 reference smps uc3844 smps power supply UC3844N UC3845 application note uc3845 application smps UC3845 application notes uc3842 smps UC3842 smps design UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract
datasheet frame
Abstract: The UTC UC3844 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 UC3844 Icc=25mA 47 30 48 0.5 12 36 50 0 , Output Voltage Rise Time Output Voltage Fall Time Startup Threshold UC3844 UC3844 UC3845 Minimum Operating Voltage After Turn-On UC3844 UC3844 UC3845 V ns ns V UNDERVOLTAGE LOCKOUT SECTION PWM SECTION Duty ... Original
datasheet

6 pages,
149.25 Kb

UC3845 DIP8 QW-R103-001 switch mode power supply using uc3844 of ic uc3845 uc3844 45 UC3844 forward converter uc3844 PIN CONFIGURATION OF IC uc3845 UC3844/45 UC3845 UC3844/45 abstract
datasheet frame
Abstract: UTC UC3844/45 UC3844/45 LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE CONTROLLERS DESCRIPTION The UTC UC3844 UC3844 and UTC UC3845 are high performance fixed frequency current mode controllers. They , (on) and 10V(off), ideally suited for off-line converters. The UTC UC3845 is tailored for lower , UC3845 Minimum Operating Voltage After Turn-On UC3844 UC3844 UC3845 Vth V Vcc(min) V 8.5 7.0 , Power Supply Zener Voltage Vz Vcc=6.5V for UC3845 Vcc=14V for UC3844 UC3844 Icc=25mA mA V NOTE ... Original
datasheet

6 pages,
142.79 Kb

uc3845 reference uc3844 45 QW-R103-001 uc3845 applications UC3845 application note uc3844 applications UC3844 application note UC3845 UC3845 dc dc applications of ic uc3845 UC3844 Datasheet of ic uc3845 PIN CONFIGURATION OF IC uc3845 UC3844/45 UC3844 UC3844/45 abstract
datasheet frame
Abstract: CONTROLLER A dvance Information High Performance Current Mode Controller The UC3844 UC3844, UC3845 series are , , UC3845, UC2844 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 UC3844, UC3845, UC2844 UC2844, UC3845 ELECTRICAL CHARACTERICISTICS ( V q q = 15 V, [N ote 2 , , UC3845, UC2844 UC2844, UC3845 Figure 1. Timing Resistor versus Oscillator Frequency Figure 2. Output Dead Time , 200 mV/DIV UC3844 UC3844, UC3845, UC2844 UC2844, UC3845 Figure 7. Reference Voltage Change versus Source ... OCR Scan
datasheet

13 pages,
471.71 Kb

3844n 3845 PWM power supply application note application note uc3845 UC3844 flyback application note uc3845 UC3845 circuit UC3845 application note UC3845 constant power flyback uc3845 application uc3845 flyback UC 3845 PWM IC UC3845 flyback application note UC3844 UC2844 UC3844 abstract
datasheet frame
Abstract: UC3844 UC3844, UC3845, UC2844 UC2844, UC2845 UC2845 High Performance Current Mode Controllers The UC3844 UC3844, UC3845 series , UC3844 UC3844, UC3845, UC2844 UC2844, UC2845 UC2845 MAXIMUM RATINGS Rating Total Power Supply and Zener Current Output , Junction-to-Air Operating Junction Temperature Operating Ambient Temperature UC3844 UC3844, UC3845 UC2844 UC2844, UC2845 UC2845 Storage , observed. http://onsemi.com 914 UC3844 UC3844, UC3845, UC2844 UC2844, UC2845 UC2845 ELECTRICAL CHARACTERISTICS (VCC = , as close to ambient as possible. Tlow = 0°C for UC3844 UC3844, UC3845 Thigh = +70°C for UC3844 UC3844, UC3845 -25°C ... Original
datasheet

15 pages,
713.5 Kb

UC3844 flyback application note forward converter uc3844 UC3845 application notes flyback uc3845 application UC3845 UC3844 UC2844 UC2845 SOIC-14 UCX844 UCX845 UC3844 abstract
datasheet frame
Abstract: series 79xx series 78Lxx series 79Lxx series LM317 LM317 XC61C XC61C XC61C XC61C UC3842 UC3842 UC3843 UC3843 UC3844 UC3844 UC3845 ... Original
datasheet

2 pages,
17.08 Kb

GM34063 L431 78XX pwm lm324 GM66102 lm339 replacement 79XX FAN1085 CONTROLE GM6155 GM3843 equivalent uc3843 uc3844 utc l431 lm393 replacement GM66102 abstract
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Over 1.1 million files (1986-2014): html articles, reference designs, gerber files, chemical content, spice models, programs, code, pricing, images, circuits, parametric data, RoHS data, cross references, pcns, military data, and more. Please note that due to their age, these files do not always format correctly in modern browsers. Disclaimer.
 
> Current Mode > UC3845, CURRENT-MODE PWM CONTROLLER Device Status: Active > Description > Features Parameter Name UC3845 Shutdown No Pulse - by - Pulse Isense Yes VIN Range (VDC) 30 Output /unit USD (100-999) Pack Qty Availability / Samples UC3845DR D 14 ACTIVE 0.87 2500 Check stock or order UC3845P P 8 ACTIVE 1.00 50 Check stock or order Application
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TI's parts: UC3845
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TI's parts: UC3845
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TI's parts: UC3845
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> Current Mode > UC3845, CURRENT-MODE PWM CONTROLLER Device Status: Active > Description > Features Parameter Name UC3845 Shutdown No Pulse - by - Pulse Isense Yes VIN Range (VDC) 30 Output /unit USD (100-999) Pack Qty Availability / Samples UC3845DR D 14 ACTIVE 0.87 2500 Check stock or order UC3845P P 8 ACTIVE 1.00 50 Check stock or order Application
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Shortform Datasheet Search Results

Part Manufacturer Description Shortform Datasheet Ordering
UC3845ADMT Linfinity Microelectronics Single-Output Current-Mode SMPS Circuit - Current Mode PWM Controller

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UC3845ADT Linfinity Microelectronics Single-Output Current-Mode SMPS Circuit - UVLO On 8.4V, UVLO Off 7.6V

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UC3845AJ Unitrode Semiconductor Single-Output Current-Mode SMPS Circuit - UVLO On 8.4V, UVLO Off 7.6V

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UC3845AL Unitrode Semiconductor Single-Output Current-Mode SMPS Circuit - UVLO On 8.4V, UVLO Off 7.6V

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UC3845AQ Unitrode Semiconductor Single-Output Current-Mode SMPS Circuit - UVLO On 8.4V, UVLO Off 7.6V

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UC3845DW Unitrode Semiconductor Single-Output Current-Mode SMPS Circuit - Cur Mode PWM Cntrllr,UVLO Threshold 8.4Von/7.6Voff

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UC3845J N/A Single-Output Current-Mode SMPS Circuit - Cur Mode PWM Cntrllr,UVLO Threshold 8.4Von/7.6Voff

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UC3845P Texas Instruments Single-Output Current-Mode SMPS Circuit - Cur Mode PWM Cntrllr,UVLO Threshold 8.4Von/7.6Voff

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UC3845Q Unitrode Semiconductor Single-Output Current-Mode SMPS Circuit - Cur Mode PWM Cntrllr,UVLO Threshold 8.4Von/7.6Voff

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Fairchild Cross Reference Results

Fairchild Part Orderable Industry Part Manufacturer Type Family Description
KA3842B KA3842B Buy UC3845AJ Buy Unitrode Corp Close PWM and Phase Modulation Controller SMPS Controller
KA3842B KA3842B Buy UC3845AM Buy Linfinity Close PWM and Phase Modulation Controller SMPS Controller
KA3842B KA3842B Buy UC3845AN Buy STMicroelectronics Close PWM and Phase Modulation Controller SMPS Controller
KA3842B KA3842B Buy UC3845BN Buy Motorola Close PWM and Phase Modulation Controller SMPS Controller
KA3842B KA3842B Buy UC3845BVN Buy Motorola Close PWM and Phase Modulation Controller SMPS Controller

Intersil Cross Reference Results

Intersil Part Industry Part Manufacturer Type Description
ISL6845IB Buy UC3845AD8 Buy Texas Instruments Pin Equivalent, but electrical specifications are not identical. Improved Industry-Standard Single-Ended PWM Controller
ISL6845IB Buy UC3845D8 Buy Texas Instruments Pin Equivalent, but electrical specifications are not identical. Improved Industry-Standard Single-Ended PWM Controller
ISL6845IBZ Buy UC3845AD8 Buy Texas Instruments Pin Equivalent, but electrical specifications are not identical. Improved Industry-Standard Single-Ended PWM Controller
ISL6845IBZ Buy UC3845D8 Buy Texas Instruments Pin Equivalent, but electrical specifications are not identical. Improved Industry-Standard Single-Ended PWM Controller

Micrel Cross Reference Results

Micrel Part Industry Part Manufacturer Type
MIC38C45 Buy UC3845 Buy Texas Instruments Pin-for-pin, plug-in replacement: Electrical specifications and pinout are 100% compatible
MIC38HC45 Buy UC3845 Buy Texas Instruments Pin-for-pin, plug-in replacement: Electrical specifications and pinout are 100% compatible

NTE Electronics Cross Reference Results

NTE Electronics Part Industry Part
NTE7099 Buy UC3845 Buy
NTE7099 Buy UC3845AN Buy
NTE7099 Buy UC3845N Buy
NTE7099 Buy UC3845P Buy

On Semiconductor Cross Reference Results

On Semiconductor Part Industry Part Manufacturer Type
CS5173GDR8G Buy UC3845AD8TR Buy Texas Instruments Close

Texas Instruments Cross Reference Results

Texas Instruments Part Industry Part Manufacturer Type Comment Description
TL2845B Buy UC3845B Buy On Semiconductor Direct Replacement High-Performance Current-Mode PWM Controller
TL3845 Buy UC3845 Buy Fairchild Semiconductor Direct Replacement NRND 09/11/2006 Current-Mode PWM Controller
TL3845B Buy UC3845A Buy Microsemi Corporation (Linfinity) Direct Replacement High-Performance Current-Mode PWM Controller
TL3845B Buy UC3845B Buy On Semiconductor Direct Replacement High-Performance Current-Mode PWM Controller
UC3845 Buy LT1241 Buy Linear Technology Same Functionality & Pinout Current-Mode PWM Controller
UC3845 Buy MIC38C45 Buy Micrel Same Functionality & Pinout Current-Mode PWM Controller
UC3845 Buy MIC38HC45 Buy Micrel Same Functionality & Pinout Current-Mode PWM Controller
UC3845 Buy NJM2362 Buy New Japan Radio Similar Functionality Current-Mode PWM Controller

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UC3845BD1013TR Buy TL3845BDRG4-8 Buy
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