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Top Results (6)

Part Manufacturer Description Datasheet Download Buy Part
UC3843N Texas Instruments Current-Mode PWM Controller 8-PDIP 0 to 70
UC3843ADTR Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70
UC3843D8G4 Texas Instruments Current-Mode PWM Controller 8-SOIC 0 to 70
UC3843AD Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70
UC3843AQTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20
UC3843DTRG4 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14

UC3843 replacement Datasheets Context Search

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2001 - UC3842 smps design

Abstract: 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
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 - uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 uc3844 smps power supply uc3843 dc dc converter UC3842 smps design uc3842 uc3844 reference smps uc3843 UC3842 smps diagram UC3844 application note
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 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 - Not Available

Abstract: No abstract text available
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
2002 - 12v dc power supply with uc3845

Abstract: uc3843 dc dc converter UC3845 dc dc applications uc3842 uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 UC3843 application note
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 uc3845 smps UC3842 smps design UC3844 application note uc3843 dc 5v UC3843 application note
2000 - uc3842 circuit diagram

Abstract: 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 UC3843
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
2002 - uc3842

Abstract: 12v dc power supply with uc3845 uc3843 uc3845 application smps uc3843 dc dc converter UC3844 uc3845 reference smps uc3845 uc3844 smps power supply uc3842 smps
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 uc3845 reference smps uc3844 smps power supply uc3842 smps
1994 - uc3843 battery charger circuit diagrams

Abstract: uc3843 dc to dc converter schematic 12 v smps 5 amps using uc3843 BZX85C18V SMPS circuit for charging 6v battery 1500 watt smps schematic delta power supply schematic uc3843 uc3843 basic application circuit uc3843 battery charger schematic uc38458
Text: is practically led to a costly replacement of the complete battery pack. The trend is now to , diagrams of aDC/DC charger. NiMH or DC voltage SMPS NiCd battery PWM current mode UC3843 , rectified voltage. This DC/DC charger is controlled by the PWM control circuit UC3843 . For example, such a , COMP 1 G C/SEN 3 N D 5 VREF VIN UC3843 1nF 7 1 5 L4962 1K 2 3 , DC-to-DC charger is also driven by a low-cost PWM control integrated circuit, the UC3843 . FROM


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UC3843 diagram

Abstract: UC2843 applications unitrode Applications Note uc3843 "PWM Controllers" UC 3842 UC3843 UC2845 application notes uc3843 power factor uc3843 application note uc384 uc 3842 am
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
1994 - uc3843 dc to dc converter schematic

Abstract: uc3843 battery charger circuit diagrams smps based 6v battery charger circuit diagram UC3843 smps diagrams 12 v smps 5 amps using uc3843 1500 watt smps schematic uc3843 dc dc converter SMPS circuit for charging 6v battery uc3843 basic application circuit uc3843 battery charger schematic
Text: is practically led to a costly replacement of the complete battery pack. The trend is now to , current mode UC3843 MCU temperature ST6210 voltage 11/16 FROM NICKEL-CADMIUM TO , control circuit UC3843 . For example, such a 15 watt converter is able to deliver 1.5 amp DC, charging , 20 PA0 19 4.7uF 16V RT/CT COMP 1 G C/SEN 3 N D 5 VREF VIN UC3843 1nF 7 , integrated circuit, the UC3843 . FROM NICKEL-CADMIUM TO NICKEL-HYDRIDE FAST BATTERY CHARGER 6


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1997 - uc3843 design guide

Abstract: Delay linear sweep generator using 555 timer UCN5821A equivalent UCQ5801A MIC4426AJ MIC4426CM mic4426cn led blinker using 555 timer EL7272CN MIC29302BT
Text: UCS5801H883 UCS5822H883 Astec AS3842. AS3843. AS3844. AS3845. UC3842. UC3843 . UC3844. UC3845 , Micrel Replacement MIC4807BN MIC5800BN MIC5800BM MIC5800AJ MIC5801BN, MIC58P01, MIC59P50 MIC5801BV , Replacement MIC1427CN, MIC4424BN MIC1427CM MIC1426CN, MIC4423BN MIC1426CM MIC1428CN, MIC4425BN MIC1428CM , Semiconductor Micrel Equivalent devices are shown in boldface. Micrel Similar Replacement devices are shown


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2001 - UCC3855

Abstract: UC2842 smps circuit 5.1V Zener Diode UC3842 smps design UC2843 applications AN-H28 UC3860 ZENER DIODE 5.1V 1 LT1248 Application 5.1V DIODE ZENER
Text: limits its liability to the replacement of devices determined to be defective due to workmanship. No , * 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 UC2842 smps circuit 5.1V Zener Diode UC3842 smps design UC2843 applications AN-H28 UC3860 ZENER DIODE 5.1V 1 LT1248 Application 5.1V DIODE ZENER
UC3842 smps design

Abstract: UC3825 UC3824 application UC3861 application note UC3824 UC3863 application IC uc3843 smps with uc2854 UC2854 UC2842 smps circuit
Text: limits its liability to the replacement of devices determined to be defective due to workmanship. No , * 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 application UC3861 application note UC3824 UC3863 application IC uc3843 smps with uc2854 UC2854 UC2842 smps circuit
Not Available

Abstract: No abstract text available
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: u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 uc3842 circuit diagram UC3845 dc dc applications uc3843 flyback supply forward converter uc3844
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 uc3842 circuit diagram UC3845 dc dc applications uc3843 flyback supply forward converter uc3844
JC3842

Abstract: u3844 C3842 flyback uc3843 UC2842 uc3843 flyback supply off-line flyback regulator uc3842 off-line flyback regulator uc3845 UC3843 12v to 16v UC3844 flyback
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 u3844 C3842 flyback uc3843 UC2842 uc3843 flyback supply off-line flyback regulator uc3842 off-line flyback regulator uc3845 UC3843 12v to 16v UC3844 flyback
1998 - flyback uc3843

Abstract: u3844 uc3842 circuit diagram off-line flyback regulator uc3845 UC3843 power flyback UC2845N uc3843 connections flyback uc3842 power supply uc3843 flyback supply flyback uc3842
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
flyback uc3843

Abstract: UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications u3844 UC3842 Open Loop Circuit diagram DATA UC3843 uc3843 flyback supply
Text: ) 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 can operate to duty cycles approaching 100%. A range of , POWER J GROUND s -a *7 3 rt /c t [ 7 ORDERING NUMBERS Type UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845 M inid ip UC2842N UC2843N UC2844N UC2845N UC3842N UC3843N UC3844N UC3845N , frequency equals oscillator frequency fo r the UC3842 and UC3843 Output frequency is one half oscillator


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PDF K00CC3 flyback uc3843 UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications u3844 UC3842 Open Loop Circuit diagram DATA UC3843 uc3843 flyback supply
UC3842

Abstract: U3844 UC3845 dc dc applications uc3843 UC3845 dc dc uc3843 uc-3843 uc3844 uc3845 applications TOGGLE FLIP FLOP
Text: ) and 10V (off), 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


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PDF UC2842/3/4/5 UC3842/3/4/5 UC3842/3/4/5 UC3842 UC3844 UC3843 UC3845 U3844 UC3845 dc dc applications dc dc uc3843 uc-3843 uc3845 applications TOGGLE FLIP FLOP
1994 - flyback uc3842

Abstract: UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v off-line flyback regulator uc3844 UC2842 power supply with uc3842 off-line flyback regulator uc3845
Text: corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , 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 UC3842/3/4/5family flyback uc3842 UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v off-line flyback regulator uc3844 UC2842 power supply with uc3842 off-line flyback regulator uc3845
flyback uc3843

Abstract: u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
Text: corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 can operate to , UC3843 UC2844 UC2845 UC2842N UC2843N UC2844N UC2845N UC2842D UC2843D UC2844D UC2845D UC3842 UC3843 UC3844 UC3845 UC3842N UC3843N UC3844N UC3845N UC3842D UC3843D UC3844D , 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 UC3842/3/4/5family flyback uc3843 u3844 off-line flyback regulator uc3845 uc3843 flyback supply UC3842 power supply with uc2842 flyback uc3842 uc3842 circuit diagram off-line flyback regulator uc3844 off-line flyback regulator uc3842
u3844

Abstract: power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
Text: applications The corresponding thresholds for the UC3843 and UC3845 are 8.5 V and 7.9 V. The UC3842 and UC3843 , GROUND S-*4T1 ( ORDERING NUMBERS Type UC2842 UC3843 UC2844 UC2845 UC3842 UC3843 UC3844 UC3845


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PDF UC2842/3/4/5 UC3842/3/4/5 007bbS3 u3844 power supply with uc3842 with circuit diagram uc2842 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 pwm uc2842 uc2845n uc3842 circuit diagram
ka3842 equivalent uc3842

Abstract: lt1232 LP2989 CROSS semiconductor cross index TP2330 replacement for udn2981 KA3843 ka3842 equivalent UCN5821 equivalent microsemi cross index
Text: (continued) Part Number Direct Cross(1) Functional Cross(2) UC3843 MIC38C43/MIC38HC43 , Improved alternative. UC3843 MIC38C43/MIC38HC43 Improved alternative. UC3844 MIC38C44 , /MIC38HC45 Improved alternative. UC3842 MIC38C42/MIC38HC42 Improved alternative. UC3843 , ) Plug-In Replacement (1) MC100E016FN SY100E016JC 28-PLCC MC100E016FNR2 SY100E016JC TR 28 , Semiconductor Micrel (Pin-for-Pin) Plug-In Replacement (1) MC100E163FNR2 Micrel (Pin-for-Pin


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PDF A8184 A8187 MIC5207 A8188 MIC5209 UCN4807 MIC4807 UCN5800 MIC5800 ka3842 equivalent uc3842 lt1232 LP2989 CROSS semiconductor cross index TP2330 replacement for udn2981 KA3843 ka3842 equivalent UCN5821 equivalent microsemi cross index
1998 - uc3843 dc dc converter

Abstract: uc3843 control constant current UC3843 uc3843 battery charger circuit diagrams battery li-ion charger T62E STPS340U ST6220 L4962 uc3843 battery charger
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


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58930A2

Abstract: IC uc3843 58930-a2 ic UC3843 motorola IC uc3843 AN MOSFET uc3843 EB126 UC3843 led DESIGN UC3843 TP3055E
Text: uses the M o to ro la UC3843 l/C produced sp e cifica lly fo r a u to m o tiv e a p p lica tio n s. T h , lifie r o f the UC3843 . W hen a decrease in vo lta g e is sensed, the UC3843 reacts to m a in ta in a v , UC3843 1 MOC8102 Diodes 2 1N4001 1 MBR745 1 MBR1635 1 LED 1 1N4735 1 1N4740 1 1N4741 Resistors 1 0.2 ohm


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PDF EB126/D_ EB126 C69740 58930A2 IC uc3843 58930-a2 ic UC3843 motorola IC uc3843 AN MOSFET uc3843 EB126 UC3843 led DESIGN UC3843 TP3055E
1996 - UC3843 equivalent

Abstract: 7.2v 1.2a battery led circuit diagram uc3843 control constant current microcontroller based smps circuit diagram 12 v smps 5 amps using uc3843 uc3843 dc dc converter DESIGN UC3843 SMPS circuit for charging 6v battery UC3843 circuit diagram SMPS WITH UC3843
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


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