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UC3842/3/4/5

Catalog Datasheet MFG & Type PDF Document Tags

flyback uc3843

Abstract: u3844 UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . . . . . , REFERENCE 500 KHz OPERATION LOW RO ERROR AMP DESCRIPTION The UC3842/3/4/5 family of control ICs , 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
STMicroelectronics
Original
UC3843 flyback uc3843 u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 UC2842/3/4/5 UC3842/3/4/5 UC3844 UC3845 UC2842/3/4/5-UC3842/3/4/5

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-UC3842
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OCR Scan
power supply with uc3842 with circuit diagram 12v dc power supply with uc3845 uc2842 pwm uc2842 uc2845n uc3842 circuit diagram 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-UC3842 , . 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-UC3842
STMicroelectronics
Original
uc3843 flyback supply off-line flyback regulator uc3844 off-line flyback regulator uc3842 flyback uc3842 power supply UC3843 circuit diagram UC3843 12v to 16v

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-UC3842 , . 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-UC3842
STMicroelectronics
Original
uc3843 dc 5v power supply with uc3842 5v power supply with uc3842 uc3845 flyback UC2843N UC2844 flyback application

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-UC3842 , 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-UC3842
STMicroelectronics
Original
UC3843 power flyback uc3843 connections uc3845n UC384X flyback uc3843 application DATA UC3843

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-UC3842 , 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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OCR Scan
uc3844n M UC3845M UC2842D UC3845 dc dc applications 3844 b so 8 AN flyback uc2845
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 , /3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply -
OCR Scan
UC1842/3/4/5 UC1842 UC1844 UC1843 UC1845 95VAC

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 , -100 52 0.2 5 1.7 2.45 2.50 -0.3 2.55 -1 65 25 -180 57 1 UC3842/3/4/5 MIN I TYP I MAX 4.90 5.00 6 6 , 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
UC284X uc3842 pin Configuration 130VA

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 , 300 1.1 3.15 1.1 2.58 -2 25 -180 57 1 UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 MAX 5.10 20 25 0.4 5.18 V , . 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 UC1842/3

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 , UC3842/3/4/5 UNITS MIN TYP MAX MIN TYP MAX 4.95 5.00 5.05 4.90 5.00 , 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 UC1845 application notes PLCC-20 SOIC-14 application uc3842

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 , /3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications , 5.00 6 6 0 .2 UC3842/3/4/5 MIN 4.90 UNITS TYP 5.00 6 6 0 .2 MAX 5.10 20 T j = 25 , temperature. UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated
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OCR Scan
scr 1a 25V 3750V

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 , /3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued) Sym bol P aram eter T e st C o n d , . 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 9A73 UC3844 flyback JC3842/3/4/5 UC2842/3/4/5-

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 , UC3842/3/4/5 UNITS MIN TYP MAX MIN TYP MAX 4.95 5.00 5.05 4.90 5.00 , 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

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 , /5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply , -10 300 150 1.1 3.15 1.1 2.55 -1 65 25 -180 57 1 UC3842/3/4/5 MIN 4.90 UNITS MAX 5.05 20 25 , . 3-284 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise
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uc 3284

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 , UC3842/3/4/5 UNITS MIN TYP MAX MIN TYP MAX 4.95 5.00 5.05 4.90 5.00 , 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 uc3842 power factor CFP14 application notes uc3842 power supply using uc3842 UC2842 TI

flyback uc3842 power supply

Abstract: UC3842D 7*1^237 0055431 1 SCS-THOMSON ¡j gig«â"¢* ILIÛTO©«!_ UC3842/3/4/5 S G S-TH0MS0N 30E , 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
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OCR Scan
UC2843 UC3843J 5-UC2842 UC3842B UC3842 flyback S947 UC1842/3/4/5-UC2842/3/4/5-UC3842/3/4/5 D02243
Abstract: clock cycle. D E S C R IP T IO N The UC3842/3/4/5 family of control ICs provides the necessary , ¯ 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 , 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
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

UFN833

Abstract: C2842 y UIMITRODE Current Mode PWM Controller UC1842/3/4/5 U C2842/3/4/5 UC3842/3/4/5 FEATURES , UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1 ) Supply Voltage (Low Impedance Source , Its Respective Manufacturer UC1842/3/4/5 U C2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS , . PARAMETER TEST CONDITIONS UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 UNITS MIN I TYP I MAX MIN i TYP I , UC1842/3/4/5 U C2842/3/4/5 UC3842/3/4/5 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these
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OCR Scan
UFN833 C2842 uc3842 OSC power supply on ic uc3842 UC1843 current mode C2842/3/4/5

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
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 · · · · · · · · · · , /3/4/5 UC3842/3/4/5 CONNECTION DIAGRAMS DIL-8, SOIC-8 (TOP VIEW) N or J Package, D8 Package PLCC , mW TA 125°C Power Rating 150 mW 2 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL , /°C V µV mV mA TYP MAX UC3842/3/4/5 MIN TYP MAX UNITS PARAMETER These parameters, although , necessarily occur at the extremes in temperature. 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ELECTRICAL
Texas Instruments
Original
uc3843p

USD1120

Abstract: 55kW 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
Original
USD1120 55kW USD1120 diode varo vm 68

UC3845 application notes

Abstract: varo diode 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 , UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 THERMAL CHARACTERISTICS over operating , % UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 4.82 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1% MAX 5.10 20 25 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
UC3845 application notes varo diode UF81002 UC1844-SP uc3843 "pin compatible" UC1845-SP
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
Original

USD1120 ZENER

Abstract: off-line flyback regulator uc3842 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 , UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 THERMAL CHARACTERISTICS over operating , % UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 4.82 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1% MAX 5.10 20 25 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
USD1120 ZENER

off-line flyback regulator uc3842

Abstract: USD1120 ZENER 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 , UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 THERMAL CHARACTERISTICS over operating , % UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 4.82 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1% MAX 5.10 20 25 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
TI UC3842D8

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 , UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 THERMAL CHARACTERISTICS over operating , % UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 4.82 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1% MAX 5.10 20 25 , 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 , UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 THERMAL CHARACTERISTICS over operating , % UC3842/3/4/5 MIN 4.90 TYP 5.00 6 6 0.2 4.82 50 5 ­30 47 ­100 52 0.2% 5% 1.7 25 ­180 57 1% MAX 5.10 20 25 , Feedback 3 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007
Texas Instruments
Original
uc38448 application note uc3845 uc3844 14 pin ic configuration U9D946 5X842
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