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UC3842DTR Texas Instruments Current-Mode PWM Controller 14-SOIC 0 to 70 visit Texas Instruments
UC3842ADG4 Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70 visit Texas Instruments
UC3842D8 Texas Instruments Current-Mode PWM Controller 8-SOIC 0 to 70 visit Texas Instruments Buy
UC3842AD Texas Instruments Current Mode PWM Controller 14-SOIC 0 to 70 visit Texas Instruments Buy
UC3842AN Texas Instruments Current Mode PWM Controller 8-PDIP 0 to 70 visit Texas Instruments Buy
UC3842AD8TR Texas Instruments Current Mode PWM Controller 8-SOIC 0 to 70 visit Texas Instruments

UC3842 p pwm

Catalog Datasheet MFG & Type PDF Document Tags

uc3845 application smps

Abstract: SMPS CIRCUIT DIAGRAM UC3842 The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially , P/N UC3842 - SMPS Controller SEARCH | Parametric | Cross Reference space Fairchild Semiconductor , Fairchild P/N UC3842 - SMPS Controller Product status/pricing/packaging Product UC3842DX UC3842N UC3842D1 , www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start , driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843
Fairchild Semiconductor
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uc3845 application smps SMPS CIRCUIT DIAGRAM UC3842 uc3844 smps power supply uc3843 dc dc converter UC3842 smps design uc3844 reference smps UC3842/UC3843/UC3844/UC3845 500KH UC3845 14-SOP 14SOP UC3845D

uc3842

Abstract: 12v dc power supply with uc3845 The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially , www.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features · · · · Low Start , 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
Fairchild Semiconductor
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12v dc power supply with uc3845 uc3845 reference smps application notes uc3842 uc3842 smps power supply with uc3842 with circuit diagram UC3842 smps diagram UC3845D1X

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 , TRIMMED BANDGAP REFER ENCE 500 KHz OPERATION LOW Ro ERROR AMP logic to insure latched operation, a PWM , ranges. The UC3842 and UC3844 have UVLO thresholds of 16V (on) 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 , dock cycle. DESCRIPTION The UC3842/3/4/5fam8y of control ICs provides the necessary features to
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u3844 uc2842 off-line flyback regulator uc3845 power supply with uc2842 pwm uc2842 uc2845n UC3842/3/4/5 7R2R237 UC2842/3/4/5-UC3842/3/4/5

JC3842

Abstract: DN-42A predecessor. The UC3842 current sense input connects to only the PWM comparator. The UCC3802 Current Sense , DN-42A UIMITRODE Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW , current. The error amplifier associated with the UC3842 family is an open collector in parallel with a current source. The UCC3802 has power-up soft start and fault soft start built on-chip with a fixed CO M P , bandwidth error amplifier versus 1 MHz on the UC3842. Feedback techniques are identical to the UC3842 family
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JC3842 UCC3803 UCC3805 UCC3804 5v power supply with uc3842 ic uc3842 UC3842A

unitrode Applications Note U-96

Abstract: UC3642 APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC'S DESCRIPTION The , L E , UC3842 PWM has a single totem-pole output which can be operated to ± 1 amp peak for driving MOSFET gates , trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which
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UC3642 unitrode Applications Note U-96 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w UC1842/3/4/5 UC1842 UC1844 UC1843 UC1845

5v power supply with uc3842

Abstract: power supply with uc3842 DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 , 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805 , The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , inserting the device into a UC3842/42A family socket: 1. Maximum supply voltage 2. Turn-on and Turn-off , with the UC3842 family is an open collector in parallel with a current source. The UCC3802 has
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power supply with uc3842 power supply on ic uc3842 power supply design uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842

uc3842

Abstract: UC3842 soft start DN-89 UNITRQOE Design Note Comparing the UC3842, UCC3802, and UCC3809 Primary Side PWM Controllers by Lisa Dinwoodie Introduction Despite the fact that the UC3842 and the UCC3802 are pin for , help the user transition from either the UC3842 or the UCC3802 to the UCC3809 in an existing design , drive an optocoupler. The primary side of each figure consists of a M O SFET switch, PWM controller , and Shutdown The UC3842 requires an external PNP, resistor, and capacitor in order to have full
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UC3842 soft start UC3842 p pwm uc3842 converter design UC3842 flyback of ic uc3842

flyback uc3843

Abstract: UC3843 circuit diagram UC2842/3/4/5-UC3842/3/4/5 Figure 11 : Off-line Flyback Regulator. P o w er S u p p ly S p e c ific a , /5 CURRENT MODE PWM CONTROLLER OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS LOW START-UP , insure latched operation, a PWM compara tor which also provides current limit control, and a to tem pole , lockout thresholds and maximum duty cycle ranges. The UC3842 and UC3844 have UVLO thresholds of 16V (on , 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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flyback uc3843 UC3843 circuit diagram uc3844n M UC3845M UC2842D UC3845 dc dc applications K00CC3

JC3842

Abstract: C3842 ) 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 , /3/4/5-UC3842/3/4/5 ELECTRICAL CHARACTERISTICS (continued) Sym bol P aram eter T e st C o n d , = 7#, lìaiomiòKHigM M tKSg 7 S G S -T H O M S O N UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER IPTIMIZED FOR OFF-LINE AND DC TO DC ONVERTERS OW START-UP CURRENT (< 1 mA , latched operation, a PWM com parator which also provides current limit control, and a totem pole output
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C3842 UC3843 12v to 16v 9A73 off-line flyback regulator uc3842 uc3843 flyback supply UC3844 flyback JC3842/3/4/5 UC2842/3/4/5-

ucc3804

Abstract: power supply design uc3842 DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 , 500µA Pin out Compatible with UC3842 and UC3842A families 5 Volt Operation (UCC3803, UCC3805 , The UCC3802 family of devices are pin out compatible with the UC3842 and UC3842A families however , inserting the device into a UC3842/42A family socket: 1. Maximum supply voltage 2. Turn-on and Turn-off , with the UC3842 family is an open collector in parallel with a current source. The UCC3802 has
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uc3842 unitrode flyback uc3842 power supply application uc3842 Power Trends
Abstract: F Z 7 S G S -T H O M S O N ^7#® U C 2842/3/4/5 U C 3842/3/4/5 CURRENT MODE PWM CONTROLLER , R0 ERROR AMP input, logic to insure latched operation, a PWM com ­ parator which also provides , UC3842 and UC3844 have UVLO thresholds of 16V (on) 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 , clock cycle. D E S C R IP T IO N The UC3842/3/4/5 family of control ICs provides the necessary -
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UC284X

Abstract: scr 1a 25V UNITRODE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES , , logic to insure latched operation, a PWM comparator which also provides current limit control, and a , 50m A r t/c t [477 } osc >T ERROR AMP JM O UTPUT PWM LATC H V fb [2731CURRENT SENSE C O M P A R A TO R c ° M p P7TTCURRENT [ 3 7 5 1 . SENSE ~ Note 1: \A/Eh A = DIL-8 Pin Number , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (Low
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UC284X scr 1a 25V 95VAC 130VA 3750V
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 Current Mode PWM Controller FEATURES DESCRIPTION The UC1842/3/4/5 family of control ICs provides the , COM PARATOR 121 OUTPUT POWER GROUND UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE , 7 15 8 14 9 10 11 12 13 SOIC-14 (TOP VIEW ) D Package c o m p H h ]V ref N , N/C Vc TT] Vc Vcc N/C ]o] O U T P U T V ref T \ GROUND T| PW R 00143^3 GND -
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SD945

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 , , Current-Mode PWM Controller UC2843DTR UC2843J UC2843N D JG P 14 8 8 -40 TO 85 -40 TO 85 -40 TO 85 ACTIVE , order UC2842P P 8 OBSOLETE TI UC2842, Current-Mode PWM Controller View/Print complete , of Use TI UC3842, Current-Mode PWM Controller Home | Company Info | Employment | TI Global , UC3842, Current-Mode PWM Controller DEVICE STATUS: ACTIVE DATASHEET uc3842.pdf (576 kb) Datasheet Rev.A
Texas Instruments
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UC3843 application note buck uc3843 design guide UC2843 applications UC3845 application note buck UC2843 UC2845* application note UC3845D8 UC3845D8TR UC3845DTR UC3845J UC3845N UC3845P

uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 advance technique known as current mode control, and a novel PWM solution, the UC3842 controller. This IC , the potential for problematic MOSFET turn on. As the PWM output voltage rises while in UVLO, the P , UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC3800/1/2/3/4/5 Low-Power BiCMOS Current-Mode PWM , Reference · Same Pinout as UC3842 and UC3842A Part Number UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 , UCC380X UNITS PWM Section Maximum Duty Cycle UCCx800/2/3 97 99 100 97 99 100
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uc3842 unitrode 100 watt 24v dc power supply with uc3842 UCC2800 application note buck schematic UC3842 note buck converter non isolated UC3843 in non isolated flyback converter uc3843 12v 5a supply design UCC1803 UCC1805 UCC1802 UCC1804 UCC180 UCC3889

3842D

Abstract: UC3842 p pwm specification Current-mode PWM controller UC3842 ORDERING INFORMATION D E S C R IP T IO N 8 -P in P la , Current-mode PWM controller UC3842 OFF-LINE FLYBACK REGULATOR SPECIFICATIONS In p u t line v o ltag e , controller UC3842 DESCRIPTION T h e U C 3 8 4 2 is a v a ila b le in a n 8 -P in m in i-D IP the n e c , Current-mode PWM controller UC3842 DC AND AC ELECTRICAL CHARACTERISTICS 0 ^ T j 5 7 0 ° C fo r U C 3 8 4 , Linear Products Product specification Current-mode PWM controller UC3842 DC AND AC ELECTRICAL
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3842D 3842N ac regulator uc3842 uc 3842

24v dc power supply with uc3842

Abstract: unitrode Applications Note U-96A known as current mode control, and a novel PWM solution, the UC3842 controller. This IC contained , the potential for problematic MOSFET turn on. As the PWM output voltage rises while in UVLO, the P , . ADDITIONAL INFORMATION 1. UNITRODE Application Note U-100A; " The UC3842/3/4/5 Series of Current Mode PWM , precision reference and a high current totem-pole output. The popular UC3842 control circuit architecture , delays in comparison to the bipolar UC3842 devices. These sophisticated new BiCMOS controllers, the
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unitrode Applications Note U-96A 24v to 12v dc power supply with uc3842 uc3842 dc/dc converter 24v application circuits U-96A UCC3804 application UC3842 application 24V U-133A UCC3800

uc 3284

Abstract: y UNITRODE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES , , logic to insure latched operation, a PWM comparator which also provides current limit control, and a , BIAS -d Z 3 V ref 5.0V 50mA osc >T ERROR AMP IZ H OUTPUT PWM LATCH V fb Î2 7 3 T - coM P CURRENT SENSE H 7 T T - uzm - CURRENT SENSE COMPARATOR POWER GROUND Note 1: [AJB , . 4/97 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 ABSOLUTE MAXIMUM RATINGS (N ote 1) Supply
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uc 3284

UC284X

Abstract: uc3842 pin Configuration INTEGRATED CIRCUITS UNITRÜDE UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES Optim ized For Off-line And D C T o D C Converters Low Start U p C urrent ( , Internally Trim m ed B andgap R eference 50 0kh z O peration Low R o Error Am p DESCRIPTION T h e U C 1 8 , precision refer ence trim med for accuracy at the error am p input, logic to Insure latched operation, a P W
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uc3842 pin Configuration

UCC3813-4

Abstract: pcb design on uc3842 UCC2813-0/-1/-2/-3/-4/-5 UCC3813-0/-1/-2/-3/-4/-5 Low Power Economy BiCMOS Current Mode PWM , Voltage Reference Same Pinout as UCC3802, UC3842, and UC3842A DESCRIPTION The UCC3813-0/-1/-2/-3/-4/-5 , count. These devices have the same pin configuration as the UC3842/3/4/5 family, and also offer the , Voltage Gain COMP Sink Current COMP Source Current Gain Bandwidth Product PWM Section Maximum Duty Cycle , DESCRIPTIONS COMP: COMP is the output of the error amplifier and the input of the PWM comparator. Unlike other
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UCC3813-3 UCC3813-4 SSYA008 SLUA149 pcb design on uc3842 UC3842 pinout pcb for uc3842 UCC3813-5 UCC3813-2 UCC2813- UCC3813-
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