NEW DATABASE - 350 MILLION DATASHEETS FROM 8500 MANUFACTURERS
NEW DATABASE - 350 MILLION DATASHEETS FROM 8500 MANUFACTURERS
| Part | Manufacturer | Description | Type | Ordering |
| UC3843 | Fairchild Semiconductor | SMPS Controller |
10 pages, |
Original |  |
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| UC3843 | Fairchild Semiconductor | SMPS Controller |
12 pages, |
Original | |
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| UC3843 | STMicroelectronics | CURRENTMODE PWM CONTROLLER |
11 pages, |
Original | |
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| UC3843 | STMicroelectronics | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
15 pages, |
Original | |
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| UC3843 | STMicroelectronics | HIGH CURRENT SWITCHING REGULATORS |
199 pages, |
Original | |
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| UC3843 | Texas Instruments | Current Mode PWM Controller |
7 pages, |
Scan | |
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| UC3843 | Unitrode Semiconductor | Current Mode PWM Controller |
8 pages, |
Original | |
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| UC3843A | Contek Microelectronics Co., Ltd. | Current mode PWM control circuit. |
6 pages, |
Original | |
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| UC3843A | Fairchild Semiconductor | SMPS Controller |
8 pages, |
Original | |
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| UC3843A | FCI Semiconductor | High Performance Current Mode Controller |
6 pages, |
Original | |
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| Catalog Datasheet Results | Type | Document Tags |
| Abstract: UC3843D UC3844D UC3844D UC3845D 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 UC3845 are 8.5V (on) and 7.9V (off) The UC3842 UC3842 and UC3843 can operate within 100% , Internal Block Diagram Rev. 5.0 ©2000 Fairchild Semiconductor International UC3842/UC3843/UC3844 ... | Original |
12 pages, |
uc3845 reference smps UC3842 pin a pin mosfet driver 5v power supply with uc3842 UC3844 UC3843 circuit diagram uc3845 reference uc3844 applications UC3842 smps diagram MOSFET uc3843 uc3845 smps power supply UC3843 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 and UC3845 UC3845 are 8.5V (on) and 7.9V (off) The UC3842 UC3842 and UC3843 can operate within 100% duty , 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 ... | Original |
10 pages, |
UC3843 pwm UC3842 Circuit diagram UC3842 APPLICATION NOTE power supply with uc3842 AN UC3845 uc3842 application circuit UC3843 datasheet uc3844 reference smps 5v power supply with uc3842 UC3845 dc dc applications uc3845 application smps UC3842 mosfet driver UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract |
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| Abstract: 8-DIP UC3845N UC3845N UC3842D1 UC3842D1 UC3843D1 UC3844D1 UC3844D1 8-SOP 0 ~ + 70°C UC3845D1 UC3845D1 UC3842D UC3842D UC3843D , 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 UC3845 are 8.5V(on) and 7.9V (off). The UC3842 UC3842 and UC3843 can operate within 100% , UC3842/UC3843/UC3844/UC3845 Absolute Maximum Ratings Parameter Symbol Value Unit Supply ... | Original |
12 pages, |
AN UC3845 UC3843 diagram UC3842 mosfet driver uc3843 dc 5v UC3844 power supply with uc3842 DATA UC3843 UC3845 application note UC3845 UC3843 uc3842 uc3845 application smps uc3844 smps power supply UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 abstract |
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| Abstract: MC79LXX MC79LXX MC79XX MC79XX RC1117 RC1117 RC1584 RC1584 RC1585 RC1585 RC1616 RC1616 RC2951 RC2951 TL431 TL431 TL494 TL494 UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 , TL494 TL494 TPS763XX TPS763XX UA78LXX UA78LXX UA78XX UA78XX UC3714 UC3714 UC3715 UC3715 UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 LM317 LM317 B1117 B1117 B4150 B4150 ... | Original |
2 pages, |
IRF640 irf510 LM78XX KA3842 TL494 as2930 application notes tl3845 KA3843 L79xx ka3842 application notes LM317 sot23 B2950 uA78xx B1115 mc3842 AS1115 AS1117 AS1115 abstract |
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| Abstract: UC2842 UC2842 UC3843 UC2844 UC2844 UC2845 UC2845 UC2842N UC2842N UC2843N UC2843N UC2844N UC2844N UC2845N UC2845N UC2842D UC2842D UC2843D UC2843D UC2844D UC2844D UC2845D UC2845D UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 UC3842N UC3842N UC3843N UC3844N UC3844N UC3845N UC3845N UC3842D UC3842D UC3843D , at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 UC3842 and UC3843. Output , corresponding thresholds for the UC3843 and UC3845 UC3845 are 8.5 V and 7.9 V. The UC3842 UC3842 and UC3843 can operate to ... | Original |
11 pages, |
flyback uc3843 application power supply with uc3842 UC3843 diagram UC3843 circuit diagram UC2842 UC3845 dc dc applications uc3842 circuit diagram flyback uc3842 power supply uc3845 flyback uc3843 UC3842 UC3843 12v to 16v UC2842/3/4/5 UC3842/3/4/5 UC2842/3/4/5 abstract |
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| Abstract: UC2842 UC2842 UC3843 UC2844 UC2844 UC2845 UC2845 UC2842N UC2842N UC2843N UC2843N UC2844N UC2844N UC2845N UC2845N UC2842D UC2842D UC2843D UC2843D UC2844D UC2844D UC2845D UC2845D UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 UC3842N UC3842N UC3843N UC3844N UC3844N UC3845N UC3845N UC3842D UC3842D UC3843D , at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 UC3842 and UC3843. Output , corresponding thresholds for the UC3843 and UC3845 UC3845 are 8.5 V and 7.9 V. The UC3842 UC3842 and UC3843 can operate to ... | Original |
11 pages, |
UC3843 power flyback UC3844 UC3845 flyback uc3843 application power supply with uc2842 UC2843N UC2844 flyback application UC3842 UC3845 dc dc applications UC3843 circuit diagram off-line flyback regulator uc3845 uc3842 circuit diagram 5v power supply with uc3842 UC2842/3/4/5 UC3842/3/4/5 UC2842/3/4/5 abstract |
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| Abstract: UC2842 UC2842 UC3843 UC2844 UC2844 UC2845 UC2845 UC2842N UC2842N UC2843N UC2843N UC2844N UC2844N UC2845N UC2845N UC2842D UC2842D UC2843D UC2843D UC2844D UC2844D UC2845D UC2845D UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 UC3842N UC3842N UC3843N UC3844N UC3844N UC3845N UC3845N UC3842D UC3842D UC3843D , before setting at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 UC3842 and UC3843. , applications The corresponding thresholds for the UC3843 and UC3845 UC3845 are 8.5 V and 7.9 V. The UC3842 UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the ... | Original |
11 pages, |
UC384x application uc3842 application note UC3843 uc3843 dc dc converter DATA UC3843 UC3842 uc3842 application circuit flyback uc3843 application off-line flyback regulator uc3844 uc3842 circuit diagram forward converter uc3844 UC3845 dc dc applications UC2842/3/4/5 UC3842/3/4/5 UC2842/3/4/5 abstract |
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| Abstract: UC3843 UC3844 UC3844 UC3845 UC3845 UC3842N UC3842N UC3843N UC3844N UC3844N UC3845N UC3845N UC3842D UC3842D UC3843D UC3844D UC3844D UC3845D UC3845D , setting at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 UC3842 and UC3843. Output , corresponding thresholds for the UC3843 and UC3845 UC3845 are 8.5 V and 7.9 V. The UC3842 UC3842 and UC3843 can operate to , CONNECTIONS (top views) SO14 Minidip ORDERING NUMBERS T ype Min idip SO14 UC2842 UC2842 UC3843 ... | Original |
11 pages, |
UC2842N forward converter UC3843 flyback uc3843 application UC3845 application note uc3845n UC2842 UC3844 UC3843 diagram DATA UC3843 off-line flyback regulator uc3842 uc3845 flyback uc3843 flyback supply UC2844 flyback application UC2842/3/4/5 UC3842/3/4/5 UC2842/3/4/5 abstract |
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| Abstract: AnaChip Cross Reference Table See http://www.anachip.com/ Linear & switching regulator Anachip ON ST AP1117 AP1117 ST1117 ST1117 AP1084 AP1084 ST1084 ST1084 AP1184 AP1184 AP1086 AP1086 AP1186 AP1186 AP033 AP033 AP431 AP431 ST431 ST431 AP432 AP432 ST432 ST432 AP3842 AP3842 UC3842B UC3842B ST3842 ST3842 AP3843 AP3843 UC3843B ST3843 ST3843 AP3844 AP3844 UC3844B UC3844B ST3844 ST3844 AP494 AP494 AP34063 AP34063 MC34063 MC34063 , LM431L LM431L TPS75133 TPS75133 TL431 TL431 TL431L TL431L UC3842 UC3842 UC3843 UC3844 UC3844 UC494 UC494 Fairchild KA1117 KA1117 KA1084 KA1084 FAN1587A FAN1587A , EZ1580 EZ1580 EZ1806 EZ1806 SC431 SC431 SC431L SC431L UC3842B UC3842B UC3843B UC3844B UC3844B KA7500 KA7500 Semtech SC1117 SC1117 SC1084 SC1084 LT1086 LT1086 ... | Original |
2 pages, |
mc34063 equivalent UC3843 ka7500 equivalent UC3842B TL431 PT16315 st431 UC3842 AD16312 st3842 ST3844 TL084 DATA SHEET ST3843 Anachip AP1117 ST1117 AP1117 abstract |
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| Abstract: series 79xx series 78Lxx series 79Lxx series LM317 LM317 XC61C XC61C XC61C XC61C UC3842 UC3842 UC3843 UC3844 UC3844 UC3845 UC3845 ... | Original |
2 pages, |
L1117 transistor TL431 l1084 78XX pwm lm324 GM34063 lm339 replacement 79XX CONTROLE GM3843 equivalent GM6155 utc l431 uc3843 uc3844 GM66102 GM66150 GM66102 abstract |
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| Abstract | Saved from | Date Saved | File Size | Type | Download |
| Over 1.1 million files (1986-2013): 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. |
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| ) Status Pack Qty Budgetary Price* UC3843D D 14 0 TO 70 ACTIVE 50 $$$ UC3843D8 D 8 0 TO 70 ACTIVE 75 $$$ UC3843D8TR D 8 0 TO 70 ACTIVE 2500 $$$ UC3843DTR D 14 0 TO 70 ACTIVE 2500 $$$ UC3843J JG 8 ACTIVE 1 $$$ UC3843N P 8 0 TO 70 ACTIVE 50 $$$ UC3843P P 8 0 TO 70 OBSOLETE $$$ UC3843QTR FN 20 0 TO 70 www.datasheetarchive.com/files/texas-instruments/docs/html/pricing/uc3843_price.html |
Texas Instruments | 03/07/2002 | 7.51 Kb | HTML | uc3843_price.html |
| Texas Instruments Product Tree Master Product Index Keyword Search Web Links Orderable Device Package Pins Temp Range (C) Status Pack Qty Budgetary Price* UC3843AD D 14 0 TO 70 ACTIVE 50 $$$ UC3843AD8 D 8 0 TO 70 ACTIVE 75 $$$ UC3843AD8TR D 8 0 TO 70 ACTIVE 2500 $$$ UC3843ADTR D 14 0 TO 70 ACTIVE 2500 $$$ UC3843 www.datasheetarchive.com/files/texas-instruments/docs/html/pricing/uc3843a_price.html |
Texas Instruments | 03/07/2002 | 4.24 Kb | HTML | uc3843a_price.html |
| ST | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER UC2842AD UC2842AD UC2842AD UC2842AD UC2842AN UC2842AN UC2842AN UC2842AN UC2843AD UC2843AD UC2843AD UC2843AD UC2843AN UC2843AN UC2843AN UC2843AN UC2844AD UC2844AD UC2844AD UC2844AD UC2844AN UC2844AN UC2844AN UC2844AN UC2845AD UC2845AD UC2845AD UC2845AD UC2845AN UC2845AN UC2845AN UC2845AN UC3842AD UC3842AD UC3842AD UC3842AD UC3842AN UC3842AN UC3842AN UC3842AN UC3842A UC3842A UC3842A UC3842A UC3843AD UC3843AN UC3843A UC3844AD UC3844AD UC3844AD UC3844AD UC3844AN UC3844AN UC3844AN UC3844AN UC3844A UC3844A UC3844A UC3844A UC3845AD UC3845AD UC3845AD UC3845AD UC3845AN UC3845AN UC3845AN UC3845AN UC3845A UC3845A UC3845A UC3845A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Document Number: 4298 Date Update: 04/03/99 Pages: 15 The document is available in the following formats: Portable Document Format and Raw Text Format www.datasheetarchive.com/files/stmicroelectronics/stonline/books/all/4298-v2.htm |
STMicroelectronics | 14/06/1999 | 1.03 Kb | HTM | 4298-v2.htm |
| ST | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER UC2842AD UC2842AD UC2842AD UC2842AD UC2842AN UC2842AN UC2842AN UC2842AN UC2843AD UC2843AD UC2843AD UC2843AD UC2843AN UC2843AN UC2843AN UC2843AN UC2844AD UC2844AD UC2844AD UC2844AD UC2844AN UC2844AN UC2844AN UC2844AN UC2845AD UC2845AD UC2845AD UC2845AD UC2845AN UC2845AN UC2845AN UC2845AN UC3842AD UC3842AD UC3842AD UC3842AD UC3842AN UC3842AN UC3842AN UC3842AN UC3842A UC3842A UC3842A UC3842A UC3843AD UC3843AN UC3843A UC3844AD UC3844AD UC3844AD UC3844AD UC3844AN UC3844AN UC3844AN UC3844AN UC3844A UC3844A UC3844A UC3844A UC3845AD UC3845AD UC3845AD UC3845AD UC3845AN UC3845AN UC3845AN UC3845AN UC3845A UC3845A UC3845A UC3845A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Document Number: 4298 Date Update: 04/03/99 Pages: 15 The document is available in the following formats: Portable Document Format and Raw Text Format www.datasheetarchive.com/files/stmicroelectronics/stonline/books/all/4298-v1.htm |
STMicroelectronics | 31/03/1999 | 1.05 Kb | HTM | 4298-v1.htm |
| SGS-THOMSON | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER UC2842AD UC2842AD UC2842AD UC2842AD UC2842AN UC2842AN UC2842AN UC2842AN UC2843AD UC2843AD UC2843AD UC2843AD UC2843AN UC2843AN UC2843AN UC2843AN UC2844AD UC2844AD UC2844AD UC2844AD UC2844AN UC2844AN UC2844AN UC2844AN UC2845AD UC2845AD UC2845AD UC2845AD UC2845AN UC2845AN UC2845AN UC2845AN UC3842A UC3842A UC3842A UC3842A UC3842AD UC3842AD UC3842AD UC3842AD UC3842AN UC3842AN UC3842AN UC3842AN UC3843A UC3843AD UC3843AN UC3844A UC3844A UC3844A UC3844A UC3844AD UC3844AD UC3844AD UC3844AD UC3844AN UC3844AN UC3844AN UC3844AN UC3845A UC3845A UC3845A UC3845A UC3845AD UC3845AD UC3845AD UC3845AD UC3845AN UC3845AN UC3845AN UC3845AN HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Document Number: 4298 Date Update: 23/08/96 Pages: 15 The document is available in the following formats: Portable Document Format and Raw Text Format www.datasheetarchive.com/files/stmicroelectronics/stonline/books/all/4298.htm |
STMicroelectronics | 26/02/1998 | 1.08 Kb | HTM | 4298.htm |
| Product Folder:UC3843A, CURRENT MODE PWM CONTROLLER Controllers > Current Mode > UC3843A, CURRENT MODE PWM CONTROLLER Device Status: Active > Description > Applications Parameter Name UC3843A Shutdown No Pulse - by - Pulse Isense Yes VIN Range Price/unit USD (100-999) Pack Qty Availability / Samples UC3843AD UTR 14 C ACTIVE 1.09 56 Check stock or order UC3843AD-F UTR 14 C ACTIVE Check stock or order UC www.datasheetarchive.com/files/texas-instruments/data/www.ti.com/sc/docs/products/analog/uc3843a.html |
Texas Instruments | 29/01/2000 | 20.15 Kb | HTML | uc3843a.html |
| Product Folder:UC3843A, CURRENT MODE PWM CONTROLLER Controllers > Current Mode > UC3843A, CURRENT MODE PWM CONTROLLER Device Status: Active > Description > Applications Parameter Name UC3843A Shutdown No Pulse - by - Pulse Isense Yes VIN Range Price/unit USD (100-999) Pack Qty Availability / Samples UC3843AD UTR 14 C ACTIVE 1.09 56 Check stock or order UC3843AD-F UTR 14 C ACTIVE Check stock or order UC www.datasheetarchive.com/files/texas-instruments/data/wwwti~1.com/sc/docs/products/analog/uc3843~2.htm |
Texas Instruments | 28/01/2000 | 20.15 Kb | HTM | uc3843~2.htm |
| PERFORMANCE CURRENT MODE PWM CONTROLLER | Contents | UC3843A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER | Contents | UC3843AD - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER | Contents | UC3843AN - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER | Contents | UC3843BD - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER | Contents | UC3843BN - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER www.datasheetarchive.com/files/stmicroelectronics/stonline/books/pdf/newalpha/ds/u-v1.htm |
STMicroelectronics | 07/04/1999 | 9.45 Kb | HTM | u-v1.htm |
| Linfinity Current Mode PWMs UC3843AD Linfinity Current Mode PWMs UC3843ADM Linfinity Current Mode PWMs UC3843AM Linfinity Current Mode www.datasheetarchive.com/files/microsemi/products/partno/uc.htm |
Microsemi | 03/12/1999 | 19.56 Kb | HTM | uc.htm |
| Product Folder:UC3843, CURRENT-MODE PWM CONTROLLER Controllers > Current Mode > UC3843, CURRENT-MODE PWM CONTROLLER Device Status: Active > Description > Applications Parameter Name UC3843 Shutdown No Pulse - by - Pulse Isense Yes VIN Range Status Price/unit USD (100-999) Pack Qty Availability / Samples UC3843DR D 14 ACTIVE 0.87 2500 Check stock or order UC3843P P 8 ACTIVE 1.00 50 Check stock or order www.datasheetarchive.com/files/texas-instruments/data/wwwti~1.com/sc/docs/products/analog/uc3843~1.htm |
Texas Instruments | 28/01/2000 | 17.52 Kb | HTM | uc3843~1.htm |
| Part | Manufacturer | Description | Shortform Datasheet | Ordering |
| UC3843ADMT | Linfinity Microelectronics | Single-Output Current-Mode SMPS Circuit - Current Mode PWM Controller | |
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| UC3843ADT | Linfinity Microelectronics | Single-Output Current-Mode SMPS Circuit - UVLO thresholds of 8.4V(on) and 7.6V(off) | |
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| UC3843ADW | Unitrode Semiconductor | Single-Output Current-Mode SMPS Circuit - UVLO thresholds of 8.4V(on) and 7.6V(off) | |
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| UC3843AJ | Unitrode Semiconductor | Single-Output Current-Mode SMPS Circuit - UVLO thresholds of 8.4V(on) and 7.6V(off) | |
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| UC3843AL | Unitrode Semiconductor | Single-Output Current-Mode SMPS Circuit - UVLO thresholds of 8.4V(on) and 7.6V(off) | |
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| UC3843P | Texas Instruments | Single-Output Current-Mode SMPS Circuit - Cur Mode PWM Cntrllr,UVLO Threshold 8.4Von/7.6Voff | |
| Fairchild Part | Orderable | Industry Part | Manufacturer | Type | Family | Description |
| KA3842B | KA3842B Buy | UC3843AJ Buy | Unitrode Corp | Close | PWM and Phase Modulation Controller | SMPS Controller |
| KA3842B | KA3842B Buy | UC3843AM Buy | Linfinity | Close | PWM and Phase Modulation Controller | SMPS Controller |
| KA3842B | KA3842B Buy | UC3843AN Buy | Fairchild | Close | PWM and Phase Modulation Controller | SMPS Controller |
| KA3842B | KA3842B Buy | UC3843BN Buy | Motorola | Close | PWM and Phase Modulation Controller | SMPS Controller |
| Intersil Part | Industry Part | Manufacturer | Type | Description |
| ISL6843IB Buy | UC3843AD8 Buy | Texas Instruments | Pin Equivalent, but electrical specifications are not identical. | Improved Industry-Standard Single-Ended PWM Controller |
| ISL6843IB Buy | UC3843D8 Buy | Texas Instruments | Pin Equivalent, but electrical specifications are not identical. | Improved Industry-Standard Single-Ended PWM Controller |
| ISL6843IBZ Buy | UC3843AD8 Buy | Texas Instruments | Pin Equivalent, but electrical specifications are not identical. | Improved Industry-Standard Single-Ended PWM Controller |
| ISL6843IBZ Buy | UC3843D8 Buy | Texas Instruments | Pin Equivalent, but electrical specifications are not identical. | Improved Industry-Standard Single-Ended PWM Controller |
| Micrel Part | Industry Part | Manufacturer | Type |
| MIC38C43 Buy | UC3843 Buy | Texas Instruments | Pin-for-pin, plug-in replacement: Electrical specifications and pinout are 100% compatible |
| MIC38HC43 Buy | UC3843 Buy | Texas Instruments | Pin-for-pin, plug-in replacement: Electrical specifications and pinout are 100% compatible |
| NTE Electronics Part | Industry Part |
| On Semiconductor Part | Industry Part | Manufacturer | Type |
| CS5173EDR8G Buy | UC3843AD8TR Buy | Texas Instruments | Direct |
| CS5173GD8G Buy | UC3843AD8TR Buy | Texas Instruments | Direct |
| Texas Instruments Part | Industry Part | Manufacturer | Type | Comment | Description |
| TL2843B Buy | UC3843B Buy | On Semiconductor | Direct Replacement | High-Performance Current-Mode PWM Controller | |
| TL3843 Buy | UC3843 Buy | Fairchild Semiconductor | Direct Replacement | NRND 09/11/2006 | Current-Mode PWM Controller |
| TL3843B Buy | UC3843A Buy | Fairchild Semiconductor | Direct Replacement | NRND 09/11/2006 | High-Performance Current-Mode PWM Controller |
| TL3843B Buy | UC3843B Buy | On Semiconductor | Direct Replacement | High-Performance Current-Mode PWM Controller | |
| UC3843 Buy | HA17385 Buy | Hitachi | Direct Replacement | Current-Mode PWM Controller | |
| UC3843 Buy | MC34023 Buy | Motorola | Similar Functionality | Current-Mode PWM Controller | |
| UC3843 Buy | MIC38C43 Buy | Micrel | Same Functionality & Pinout | Current-Mode PWM Controller |
| Part | Similar Part | Notes |