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UC2842/3/4/5

Catalog Datasheet MFG & Type PDF Document Tags

u3844

Abstract: power supply with uc3842 with circuit diagram {Z T SGS-THOMSON UC2842/3/4/5 *71. Mg^lilLlligirMn©!_ UC3842/3/4/5 CURRENT MODE PWM , SENSE COMPARATOR U C 3842 May 1995 1/11 7^537 D07bb43 m UC2842/3/4/5-UC3842/3/4/5 , mi7f HHHKGUECtniiaiOICS 7 ^ 2 3 7 007bb44 _ OHS UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL , * 7 # HncmeuEcnMnics Æ T SCS-THOMSON _ 7TETH37 DQ7bbMS T b l UC2842/3/4/5-UC3842/3/4/5 , UC3845. _Æ 7 SGS-THOMSON I 7^^137 0D7bh4b TTf l UC2842/3/4/5
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UC3843 u3844 power supply with uc3842 with circuit diagram 12v dc power supply with uc3845 off-line flyback regulator uc3845 power supply with uc2842 uc3842 UC2842/3/4/5 UC3842/3/4/5 UC3842 UC3844 7R2R237

flyback uc3843

Abstract: off-line flyback regulator uc3845 UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) May 1995 1/11 UC2842/3/4/5 , . Minidip max. SO 14 Un it 100 165 °C UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL , 3/11 UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued) Symbo l Parameter , frequency is one half oscillator frequency for the UC3844 and UC3845. 4/11 34 V UC2842/3/4/5
STMicroelectronics
Original
flyback uc3843 uc3843 flyback supply flyback uc3842 off-line flyback regulator uc3844 uc3842 circuit diagram off-line flyback regulator uc3842 UC2842/3/4/5-UC3842/3/4/5

flyback uc3843

Abstract: u3844 UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , UC2842/3/4/5-UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Vi Supply Voltage (Ii , . Minidip max. SO14 Unit 100 165 °C UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL , 150 50 150 ns 3/11 UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued , UC2842/3/4/5-UC3842/3/4/5 Figure 1 : Error Amp Configuration. Error amp can source or sink up to
STMicroelectronics
Original
forward converter UC3843 UC3845 dc dc applications forward converter uc3844 UC3843 flyback converter flyback uc3843 application uc3842 application circuit

flyback uc3842

Abstract: u3844 UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) May 1995 1/11 UC2842/3/4/5 , . Minidip max. SO 14 Un it 100 165 °C UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL , UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued) Symbo l Parameter Test Co nditi , frequency is one half oscillator frequency for the UC3844 and UC3845. 4/11 34 V UC2842/3/4/5
STMicroelectronics
Original
UC3843 circuit diagram uc3843 dc 5v power supply with uc3842 5v power supply with uc3842 uc3845 flyback UC2843N

flyback uc3843

Abstract: u3844 UC2842/3/4/5 UC3842/3/4/5 ® CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , . BLOCK DIAGRAM (toggle flip flop used only in U3844 and UC3845) October 1998 1/11 UC2842/3/4/5 , max. SO14 Unit 100 165 °C UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS , UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued) Symbo l Parameter T est Cond , frequency is one half oscillator frequency for the UC3844 and UC3845. 4/11 34 V UC2842/3/4/5
STMicroelectronics
Original
UC3843 power flyback uc3843 connections UC2845N flyback uc3842 power supply UC2844 flyback application uc3845n

flyback uc3843

Abstract: UC3843 circuit diagram UC2842/3/4/5-UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS S ym bol V, V, lo Eo Supply Voltage (li < 30mA , °C 2/11 / = T SGS-THOMSON ^ 7 # K00CC3@OEIUECina®KlltëS UC2842/3/4/5-UC3842/3/4/5 , SCS-THOMSON 3/11 KoocossciuEcinagiHiies UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS , frequency fo r the UC3844 and UC3845. / = T SGS-THOMSON K00CÜ3@OEIUECina®KlltëS UC2842/3/4/5 , UC2842/3/4/5-UC3842/3/4/5 Figure 4. Figure 5 : Deadtime vs. C t (Rr > 5K£2). Figure 7
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uc3844n M UC3845M UC2842D 3844 b so 8 DATA UC3843 AN flyback uc2845

JC3842

Abstract: C3842 = 7#, lìaiomiòKHigM M tKSg 7 S G S -T H O M S O N UC2842/3/4/5 UC3842/3/4/5 CURRENT , ) er 1991 1/8 781 UC2842/3/4/5-UC3842/3/4/5 ABSO LU TE MAXIM UM RATING S * S ym bol P a ra m , 2/8 *7# M K B O ® 6 ,lC T B ® B a O C * 782 rz7 SGS-THOMSON UC2842/3/4/5-UC3842/3/4/5 , frequency for the UC3844 and UC3845. ^ 784 SGS-THOMSON * 7 # I UC2842/3/4/5-U C3842/3/4/5 jre 1 , . SGS-THOMSON ^7 # G ia D C II® l9 U £ C T R @ )iM (B 8 5/8 785 UC2842/3/4/5-UC3842/3/4/5 Figure 4
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OCR Scan
JC3842 C3842 UC3843 12v to 16v 9A73 UC3844 flyback JC3842/3/4/5 UC2842/3/4/5-

power supply with uc2842

Abstract: UC184X UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 DESCRIPTION T he U C 1842/3/4/5 family of control ICs provides , 1845. 4/97 00 i b 0 ö 4 aos 3-282 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these , °C for the 384X; Vcc = 15V (Note 5); Rt = 10k; Ct =3.3nF, T a=Tj . UC1842/3/4/5 UC2842/3/4/5 MIN TYP 5.00 , . W fls n Goiboflb 3 -2 8 4 baa UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL
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OCR Scan
UC184X uc3842 pin Configuration UC1842/3/4/5 UC1842 UC1844 95VAC 130VA UC1842/3
Abstract: IN T E G R A T E D C IR C U IT S UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 U N IT R O D E , COM PARATOR 121 OUTPUT POWER GROUND UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE , /3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these , UC3842/3/4/5 UC1842/3/4/5 UC2842/3/4/5 TEST CONDITIONS PARAMETER UNITS MIN TYP | MAX , necessarily occur at the extremes in temperature. â'˜ JaMfiSn DDIMBRM bl2 6-236 UC1842/3/4/5 UC2842 -
OCR Scan
UC1843 UC1845 SD945

UC284X

Abstract: scr 1a 25V UNITRODE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low , 17 V cc 18 N/C 19 V ref _ 2 0 , N /C H Rt /C t E 3-290 UC1842/3/4/5 UC2842 , Term Stability Output Short Circuit TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN | TYP MAX 4.95 , temperature. UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated
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UC284X scr 1a 25V 3750V

UC284X

Abstract: uc3842 pin Configuration INTEGRATED CIRCUITS UNITRÜDE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low Impedance S , TPU T 7 ] GROUND jT] PW R GND N /C R t /C t E 6-235 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4 , Short Circuit TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN I TYP MAX 5.05 20 25 0.4 5.1 50 5 -30 , extremes in temperature. Temp Stability - 6-236 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL
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OCR Scan

flyback uc3842 application note

Abstract: power supply with uc2842 application INFO available UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM , and 1845. SLUS223A - APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 , 85°C Power Rating 370 mW TA 125°C Power Rating 150 mW UC1842/3/4/5 UC2842/3/4/5 UC3842 , ; VCC = 15V (Note 5); RT = 10k; CT = 3.3nF, TA=TJ. UC1842/3/4/5 UC2842/3/4/5 TEST CONDITIONS , occur at the extremes in temperature. 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL
Texas Instruments
Original
flyback uc3842 application note UC1845 application notes uc3842 power factor CFP14 application notes uc3842 power supply using uc3842

power supply with uc2842

Abstract: pwm led driver using uc3842/3/4/5 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION , UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low Impedance Source) . . , 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4 , 5); RT = 10k; CT =3.3nF, TA=TJ. PARAMETER UC1842/3/4/5 UC2842/3/4/5 TEST CONDITIONS , V dB UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise
Unitrode
Original
pwm led driver using uc3842/3/4/5 pwm led driver uc3842 PLCC-20 SOIC-14 5-UC3842 application uc3842

UC1843

Abstract: pwm led driver using uc3842/3/4/5 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION , UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low Impedance Source) . . , 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4 , 5); RT = 10k; CT =3.3nF, TA=TJ. PARAMETER UC1842/3/4/5 UC2842/3/4/5 TEST CONDITIONS , V dB UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise
Unitrode
Original
uc3842 design UC3842 p pwm 5 pin transistor for 12v 3 amp uc3842 application note uc3842 pin diagram Unitrode Semiconductor
Abstract: IN T E G R A T E D C IR C U IT S UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UNITRODE , /5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low Impedance S o , OUTPUT ISENSE U 17 V cc li] Ve 20 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , the UC3842/3/4/5 UC1842/3/4/5 UC2842/3/4/5 TEST CONDITIONS s T a s 70°C for the 384X , 4 A s n n o i 3 n ? 2 311 V dB < UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL -
OCR Scan
Q13D7

power supply with uc2842

Abstract: SLUS223A UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION , APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS , Rating 150 mW UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: PARAMETER , /3/4/5 UC2842/3/4/5 TEST CONDITIONS UC3842/3/4/5 UNITS MIN TYP MAX MIN TYP , UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: PARAMETER Unless otherwise stated, these
Texas Instruments
Original
UC3842 flyback

uc 3284

Abstract: y UNITRODE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES , . 4/97 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (N ote 1) Supply , 20 T\ G R O U N D s ]P W R GND 3-283 GENERAL POWER SUPPLY 3 UC1842/3/4/5 UC2842/3/4 , Stability Output Short Circuit TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 4.9 50 , . 3-284 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise
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OCR Scan
uc 3284
Abstract: ¯ I E > CU RREN T SEN SE COMPARATOR 1/8 781 UC2842/3/4/5-UC3842/3/4/5 A B S O L U T , UC3844N UC3845N UC3842D UC3843D UC3844D UC3845D G 7 SGS-THOMSOM UC2842/3/4/5-U C3842/3/4/5 , V 1.1 V 3 /8 M ICnSGUKilfleiHIICS 783 UC2842/3/4/5-UC3842/3/4/5 ELECTRICAL , 1 0.5 1 I mA 11 20 11 20 mA 34 34 V UC2842/3/4/5-UC3842/3/4/5 , transients. f Z T SGS-THOMSON 5/8 ^ 7 # MocsMiiyMrafflMc* 785 UC2842/3/4/5-UC3842/3/4/5 Figure -
OCR Scan

flyback uc3842 power supply

Abstract: UC3842D UC1844 and UC1845) September 1988 1/8 931 UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5 7^5^537 00BBM3B 3 , /4/5-UC2842/3/4/5-UC3842/3/4/5 THERMAL DATA S G S-THOMSON Tâ'"58â'"17â'"31 -30E D Ceramic , 0.7 1.1 V /TT SGS-THOMSON _^ MtfiseouiCTHaiiBS 933 UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5Ì 1 7ciS , UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5 Figure 1 : Errar Amp Configuration. S 6 S-THOMSON 3ÃE D Error , ®ffliiea 4/8 935 UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5 7.^2^537 D05SM3ti D Fifilii-a A. Tâ
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OCR Scan
UC2843 UC3843J UC3842B S947 UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5 D02243

USD1120 ZENER

Abstract: USD1120 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Documentation Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223B ­ APRIL 1997 ­ REVISED JANUARY
Texas Instruments
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U9D946 UF81002 USD1120 UFN833 USD1120 ZENER USD1120 diode diode USD1120 uc38448 1N3613 1N3612 UES1002
Abstract: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C â'" APRIL 1997 â'" REVISED JUNE , UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C â'" APRIL 1997 â'" REVISED JUNE 2007 ABSOLUTE , -20 Q PACKAGE (TOP VIEW) VCC VC NC OUTPUT NC UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 , . PARAMETER TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UNIT MIN TYP MAX , UC1844 and UC1845. Submit Documentation Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Texas Instruments
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ISO/TS16949

uc3843p

Abstract: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES · · · · · · · · · · , mW TA 125°C Power Rating 150 mW 2 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , . TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN Reference Section Output Voltage Line Regulation Load , necessarily occur at the extremes in temperature. 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , . TEST CONDITION UC1842/3/4/5 UC2842/3/4/5 MIN Output Section Output Low Level Output High Level Rise
Texas Instruments
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uc3843p

UC3844 boost

Abstract: 8670 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES · · · · · · · · · · , mW TA 125°C Power Rating 150 mW 2 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , . TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN Reference Section Output Voltage Line Regulation Load , necessarily occur at the extremes in temperature. 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , . TEST CONDITION UC1842/3/4/5 UC2842/3/4/5 MIN Output Section Output Low Level Output High Level Rise
Texas Instruments
Original
UC3844 boost 8670 DN-27 UC1842/UC1842A DN-26 UC3842A

UC3842

Abstract: UC2842 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION , APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS , Rating 150 mW UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: PARAMETER , /3/4/5 UC2842/3/4/5 TEST CONDITIONS UC3842/3/4/5 UNITS MIN TYP MAX MIN TYP , UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: PARAMETER Unless otherwise stated, these
Texas Instruments
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JG Diode UC2842 TI UC3842P TI UC3842D8

USD1120

Abstract: UFN833 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , . Copyright © 1997­2007, Texas Instruments Incorporated UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 , OUTPUT NC UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED , CONDITIONS UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UNIT MIN TYP MAX MIN TYP MAX , UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 ELECTRICAL
Texas Instruments
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UC3844 flyback application note varo vm 68 varo semiconductor r switch mode power supply using uc3844 UC1842-SP UC2845NG4

UC2842

Abstract: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original

uc38448

Abstract: flyback uc3842 power supply UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
application note uc3845 uc3844 14 pin ic configuration 5X842
Abstract: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 Texas Instruments
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5V 30 AMP UC3844 DESIGN

Abstract: uc3843 application notes UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
5V 30 AMP UC3844 DESIGN uc3843 application notes power supply high efficiency on ic uc3843

off-line flyback regulator uc3845

Abstract: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , Submit Documentation Feedback NC RT / CT NC PWR GND GROUND www.ti.com UC1842/3/4/5 UC2842/3/4/5 , UC2842/3/4/5 MIN TYP 5.00 6 6 0.2 MAX 5.05 20 25 0.4 5.1 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original

UC2845 SO14

Abstract: SLUA143 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES · · · · · · · · · , /5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low Impedance Source , 2 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated , 70°C for the 384X; VCC = 15V (Note 5); RT = 10k; CT =3.3nF, TA=TJ. UC1842/3/4/5 UC2842/3/4/5 MIN , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these
Unitrode
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SLUA143 UC2845 SO14 uc3842 light uc3844 transformer design UNITRODE UC2844 UC2845* application note SLUA163 DN-40 SLUA173 DN-65 SLUA081 U-100A

UC3843 application note buck

Abstract: uc3843 design guide application INFO available UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller , . SLUS223A - APRIL 1997 - REVISED MAY 2002 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM , mW TA 85°C Power Rating 370 mW TA 125°C Power Rating 150 mW 2 UC1842/3/4/5 UC2842/3/4/5 , 5); RT = 10k; CT = 3.3nF, TA=TJ. TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 MIN Reference Section , 15V (Note 5); RT = 10k; CT = 3.3nF, TA=TJ. TEST CONDITION UC1842/3/4/5 UC2842/3/4/5 MIN Output Section
Texas Instruments
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UC3843 application note buck uc3843 design guide UC2843 applications UC3845 application note buck UC3843 Boost BLOCK DIAGRAM buck uc3843 UC3845D8 UC3845D8TR UC3845DTR UC3845J UC3845P
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