The Datasheet Archive

Top Results (6)

Part Manufacturer Description Datasheet Download Buy Part
LT1172CT#31 Linear Technology IC IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,ZIP,5PIN,PLASTIC, Switching Regulator or Controller
LT1172MJ8#PBF Linear Technology IC IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,CERAMIC, Switching Regulator or Controller
UC3843DTRG4 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14
UC3843ADG4 Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70
UC3843N Texas Instruments Current-Mode PWM Controller 8-PDIP 0 to 70
UC3843ADTR Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70

UC3843 smps diagrams Datasheets Context Search

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2002 - uc3845 application smps

Abstract:
Text: www.fairchildsemi.com UC3842/ UC3843 /UC3844/UC3845 SMPS Controller Features · · · · Low Start , Fairchild P/N UC3843 - SMPS Controller SEARCH | Parametric | Cross Reference space Fairchild , space space >> Find products >> Home find products space space space UC3843 Products groups SMPS , Fairchild P/N UC3843 - SMPS Controller Product status/pricing/packaging Product UC3843D UC3843DX UC3843D1 , The UC3842/ UC3843 /UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially


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PDF UC3842/UC3843/UC3844/UC3845 500KHz UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 uc3845 application smps SMPS CIRCUIT DIAGRAM UC3842 uc3844 smps power supply uc3843 dc dc converter UC3842 smps design uc3844 reference smps UC3842 smps diagram UC3844 application note
2002 - uc3842

Abstract:
Text: 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 , UC3844, UC3845 Rev. 1.0.1 ©2002 Fairchild Semiconductor Corporation UC3842/ UC3843 /UC3844/UC3845


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PDF UC3842/UC3843/UC3844/UC3845 500KHz UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3845 application smps uc3843 dc dc converter uc3844 smps power supply uc3845 reference smps application notes uc3842
1994 - uc3843 battery charger circuit diagrams

Abstract:
Text: diagrams of aDC/DC charger. NiMH or DC voltage SMPS NiCd battery PWM current mode UC3843 , constant current source. Such a current source can be made with a SMPS working from the AC mains or from a DC voltage source. Figures 11 and 12 give block diagrams of an offline SMPS charger and a DC to DC charger. Figure 11. Block diagram of an off-line SMPS charger. NiMH or AC mains SMPS NiCd , features. The proposed charging power converters use the Switched Mode Power Supply technology ( SMPS


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1994 - uc3843 dc to dc converter schematic

Abstract:
Text: operating as a constant current source. Such a current source can be made with a SMPS working from the AC mains or from a DC voltage source. Figures 11 and 12 give block diagrams of an offline SMPS charger and a DC to DC charger. Figure 11. Block diagram of an off-line SMPS charger. NiMH or AC mains , Figure 12. Block diagrams of aDC/DC charger. NiMH or DC voltage SMPS NiCd battery PWM , features. The proposed charging power converters use the Switched Mode Power Supply technology ( SMPS


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2001 - UC3842 smps design

Abstract:
Text: 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 , Block 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


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 TheUC3842 UC3844 UC3843 UC3845 UC3842 smps design UC3843 application note uc3844 smps power supply UC3844 application note uc3845 smps UC3845 application note uc3845 PWM power supply application note UC3842 mosfet driver uc3845 application smps 5v power supply with uc3842
2002 - 12v dc power supply with uc3845

Abstract:
Text: 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 , / UC3843 /UC3844/UC3845 Absolute Maximum Ratings Parameter Symbol Value Unit Supply Voltage , UC3842/ UC3843 /UC3844/UC3845 Electrical Characteristics (VCC=15V, RT=10k, CT=3.3nF, TA= 0°C to +70°C


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845 12v dc power supply with uc3845 uc3843 dc dc converter UC3845 dc dc applications UC3842 smps design uc3845 smps UC3844 application note uc3843 dc 5v UC3843 application note
2000 - uc3842 circuit diagram

Abstract:
Text: 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 , W UC3842/ UC3843 /UC3844/UC3845 Electrical Characteristics (VCC=15V, RT=10K, CT=3.3nF, TA= 0


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PDF UC3842/UC3843/UC3844/UC3845 UC3842/UC3843/UC3844/UC3845 TheUC3842 UC3844 UC3843 UC3845 uc3842 circuit diagram UC3842 mosfet driver UC3842 uc3844 smps power supply uc3844 reference smps uc3845 smps SMPS CIRCUIT DIAGRAM UC3842 power supply with uc3842 with circuit diagram uc3845 applications
1996 - 5.1V Zener Diode

Abstract:
Text: LR Series Applications BACK LR Series Application Note AN­H28 Selecting High Input Voltage Start-Up ICs for SMPS Supertex LR6 and LR7 are high input voltage switch mode power supply ( SMPS ) start-up circuit ICs. These start-up ICs allow industry standard low voltage PWM ICs to be operated from rectified utility power lines, e.g. 120VAC or 240VAC, eliminating the use of power resistors often used for this , Applications Industry Standard IC UC1825 UC2825 UC3825 UC1842/44 UC2842/44 UC3842/44 UC1843/45 UC2843/45 UC3843


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PDF 120VAC 240VAC, 5.1V Zener Diode ZENER DIODE 5.1V power supply smps with uc3854 5.1V zener an-h28 UC2842 smps circuit pwm ics pwm 3110 uc3855a ucc3855
UC3842 smps design

Abstract:
Text: LR Series Application Note AN­H28 Selecting High Input Voltage Start-Up ICs for SMPS Supertex LR6 and LR7 are high input voltage switch mode power supply ( SMPS ) start-up circuit ICs. These start-up ICs allow industry standard low voltage PWM ICs to be operated from rectified utility power lines, e.g. 120VAC or 240VAC, eliminating the use of power resistors often used for this purpose , * UC3843 /45 8.5 to 11.5 7.0 to 8.2 LR6* UC1842A/44A UC2842A/44A 15 to 17 9.0 to 11


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PDF 120VAC 240VAC, ML4819 ML4823 ML4824 ML4825 LT1103/1105 LT1241 LT1242/44/46 LT1243/45 UC3842 smps design UC3825 UC3824 UC3861 application note UC3824 application IC uc3843 UC3863 application smps with uc2854 UC1876 UC3891
2001 - UCC3855

Abstract:
Text: LR Series Application Note AN­H28 Selecting High Input Voltage Start-Up ICs for SMPS Supertex LR6 and LR7 are high input voltage switch mode power supply ( SMPS ) start-up circuit ICs. These start-up ICs allow industry standard low voltage PWM ICs to be operated from rectified utility power lines, e.g. 120VAC or 240VAC, eliminating the use of power resistors often used for this purpose , * UC3843 /45 8.5 to 11.5 7.0 to 8.2 LR6* UC1842A/44A UC2842A/44A 15 to 17 9.0 to 11


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PDF 120VAC 240VAC, ML4824 ML4825 LT1103/1105 LT1241 LT1242/44/46 LT1243/45 LT1248/49 UCC1855B UCC3855 5.1V Zener Diode UC2842 smps circuit UC3842 smps design AN-H28 UC3860 UC2843 applications LT1248 Application ZENER DIODE 5.1V 1 IC uc3843
1996 - uc3854 Datasheet Circuit Application Note

Abstract:
Text: LR Series Applications LR Series Application Note AN­H28 Selecting High Input Voltage Start-Up ICs for SMPS Supertex LR6 and LR7 are high input voltage switch mode power supply ( SMPS ) start-up circuit ICs. These start-up ICs allow industry standard low voltage PWM ICs to be operated from rectified utility power lines, e.g. 120VAC or 240VAC, eliminating the use of power resistors often used for , UC1843/45 UC2843/45 9.0 to 11 7.0 to 8.2 LR6* UC3843 /45 8.5 to 11.5 7.0 to 8.2 LR6


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PDF 120VAC 240VAC, ML4815 ML4819 ML4823 ML4824 ML4825 LT1241 LT1242/44/46 LT1243/45 uc3854 Datasheet Circuit Application Note uc3854 Datasheet, Circuit Application Note ZENER DIODE 5.1V UC3842 smps design ZENER DIODE 5.1V power supply UC3843 application note zener diode voltage list smps with uc2854 ucc3855 UC3861 application note
1998 - uc3843 dc dc converter

Abstract:
Text: voltage reference only needs to be temperature stable. For example, a standard UC3843 voltage reference , microcontroller memory allows Vref calibration. Vref only needs to be temperature stable ( UC3843 Vref has a , voltage is carried out during factory testing. UC3843 Vref Li-Ion battery ST6220 n x 4V2 A/D , diagram of the Li-Ion/NiCd/NiMH multicharger: DC/DC 100 kHz SMPS /10 Watts R 1 10K C 2 1nF + P1


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1998 - 5.1V ZENER DIODE

Abstract:
Text: LR Series Application Note AN­H28 3 Selecting High Input Voltage Start-Up ICs for SMPS Supertex LR6 and LR7 are high input voltage switch mode power supply ( SMPS ) start-up circuit ICs. These start-up ICs allow industry standard low voltage PWM ICs to be operated from rectified utility power lines, e.g. 120VAC or 240VAC, eliminating the use of power resistors often used for this purpose , 8.2 LR6* UC3843 /45 8.5 to 11.5 7.0 to 8.2 LR6* UC1842A/44A UC2842A/44A 15 to


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PDF 120VAC 240VAC, ML1825 ML4809/10/11 ML4812/13 ML4815 ML4819 ML4823 ML4824 ML4825 5.1V ZENER DIODE UC3854 uc3875 application AN-H28 UCC3855B smps with uc3854 UC2823 UC3823 uc3825 UC385
1996 - UC3843 equivalent

Abstract:
Text: reference only needs to be temperature stable. For example, a standard UC3843 voltage reference circuit , microcontroller memory allows Vref calibration. Vref only needs to be temperature stable ( UC3843 Vref has a , voltage is carried out during factory testing. UC3843 Vref Li-Ion battery n x 4V2 A/D conv. ST6220 , of the Li-Ion/NiCd/NiMH multicharger: DC/DC 100 kHz SMPS /10 Watts R1 10K C2 1nF L4962 5 3 1


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1996 - uc3843 control constant current

Abstract:
Text: , a standard UC3843 voltage reference circuit provides a temperature stability of 0.2 mV/°C, which , . Vref only needs to be temperature stable ( UC3843 Vref has a sufficient temperature stability: 0.2 mV , factory testing. UC3843 Vref Li-Ion battery ST6220 n x 4V2 A/D conv. EPROM calibration , /NiMH multicharger: DC/DC 100 kHz SMPS /10 Watts R1 10K + P1 F1 7 8 2A 11 TO 25V DC


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2002 - Not Available

Abstract:
Text: Features Description • • • • 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 , Semiconductor Corporation UC3842/ UC3843 /UC3844/UC3845 Absolute Maximum Ratings Parameter Symbol , SENSE 10 OUTPUT N/C 6 9 GND RT/C T 7 2 5 8 PWR GND UC3842/ UC3843 /UC3844


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PDF UC3842/UC3843/UC3844/UC3845 UC3842 UC3844 UC3843 UC3845
1998 - uc3843 control constant current

Abstract:
Text: standard UC3843 voltage reference circuit provides a temperature stability of 0.2 mV/°C, which is more , to be temperature stable ( UC3843 Vref has a sufficient temperature stability: 0.2 mV/°C). , . UC3843 Vref Li-Ion battery ST6220 n x 4V2 A/D conv. EPROM calibration 9/12 A ONE , /DC 100 kHz SMPS /10 Watts R 1 10K C 2 1nF + P1 + 11 TO25V D C GD N U 1 U 3843N C


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UC3843 diagram

Abstract:
Text: 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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PDF UC2842, UC2843, UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 D3175, 1989-REVISED UC3843 diagram UC2843 applications unitrode Applications Note uc3843 "PWM Controllers" UC 3842 UC3843 UC2845 application notes uc3843 power factor uc3843 application note uc384 uc 3842 am
1998 - uc3843 battery charger circuit diagrams

Abstract:
Text: standard UC3843 voltage reference circuit provides a temperature stability of 0.2 mV/°C, which is more , to be temperature stable ( UC3843 Vref has a sufficient temperature stability: 0.2 mV/°C). , . UC3843 Vref Li-Ion battery ST6220 n x 4V2 A/D conv. EPROM calibration 9/12 A ONE , /DC 100 kHz SMPS /10 Watts R 1 10K C 2 1nF + P1 + 2A 11 TO25V DC G ND U1 U


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1997 - UC3843 application note buck

Abstract:
Text: limitations and considerations of packages. CONNECTION DIAGRAMS DIL-8, SOIC-8 (TOP VIEW) N or J Package , Response Secondary Side Control Features Secondary Side Post Regulator UC1843 No UC2843 No UC3843 No , . All rights reserved. Trademarks | Privacy Policy | Terms of Use Product Folder: UC3843 , | SAMPLES | APPLICATION NOTES | RELATED DOCUMENTS PRODUCT SUPPORT: APPLICATIONS UC3843 , Current-Mode , Side Post Regulator UC1843 No UC2843 No UC3843 No Single, Totem Pole Single, Totem Pole Single


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PDF UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 500khz UC3845 UC3845D UC3845D8 UC3845D8TR UC3845DTR UC3843 application note buck uc3843 design guide UC2843 applications UC3845 application note buck UC2843 UC2845* application note UC3843 Boost BLOCK DIAGRAM buck uc3843 UC1845 application notes UC3843 application note boost
Not Available

Abstract:
Text: The corresponding thre­ sholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 , Type UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 782 S014 UC2842 UC3843 UC2844 UC2845 2/8 M inidip UC3842N UC3843N , setting at 15 V. 6. O utput frequency equals o scillator frequency fo r the UC3842 and UC3843 . O utput


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1994 - flyback uc3843

Abstract:
Text: applications The corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , before setting at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 and UC3843


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5 flyback uc3843 u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 UC3845 dc dc applications uc3843 flyback supply uc3842 circuit diagram UC3843 flyback converter
JC3842

Abstract:
Text: ), ideally suited off-line applications The corresponding thre sholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to duty cycles approaching 100%. A range of the zero to < 50 , id ip S014 UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 UC2842N UC2843N UC2844N , frequency equals oscillator frequency for the UC3842 and UC3843 . Output frequency is one half oscillator


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PDF UC2842/3/4/5 UC3842/3/4/5 JC3842/3/4/5 JC3842 C3842 u3844 flyback uc3843 9A73 uc3843 flyback supply UC3843 12v to 16v UC2842 off-line flyback regulator uc3845 off-line flyback regulator uc3842
UC3845 application note buck

Abstract:
Text: highlights the features of each individual member, the UC3842, UC3843 , UC3844 and UC3845 Throughout the text , oscillators must be set to run at twice the desired power supply switching frequency. The UC3842 and UC3843 , NOTE U-100A MAXIMUM DUTY CYCLE CURRENT SENSING AND LIMITING The UC3842 and UC3843 have a , complete drive scheme is shown in the following diagrams . Transformer driven circuits also require the use


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PDF U-100A UC3842/3/4/5 UC3842/3/4/5 UC3842 UC3642, UC3706, UC3901 U-101 UC3845 application note buck UC3843 application note buck UC3843 step up converter forward converter uc3844 500w UC3843 buck converter application note uc3843 step up unitrode Applications Note U-96 UC3844 flyback application note uc3642 UC3845 buck
1998 - flyback uc3843

Abstract:
Text: corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , CONNECTIONS (top views) SO14 Minidip ORDERING NUMBERS T ype Min idip SO14 UC2842 UC3843 , UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D UC3845D , setting at 15 V. 6. Output frequency equals oscillator frequency for the UC3842 and UC3843 . Output


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PDF UC2842/3/4/5 UC3842/3/4/5 TheUC3842/3/4/5family flyback uc3843 u3844 uc3842 circuit diagram off-line flyback regulator uc3845 UC3843 power flyback UC2845N uc3843 connections flyback uc3842 power supply uc3843 flyback supply flyback uc3842
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