UC3842 Search Results

D945 TRANSISTOR

Abstract: d945
Contextual Info: UC1842A/3 A/4A/5 A UC2842A/3A/4A/5A UC3842A/3A/4A/5A U IM IT R O D E Current Mode PWM Controller DESCRIPTION Low Start Up Current <0.5mA Trimmed Oscillator Discharge Current Automatic Feed Forward Compensation Pulse-by-Pulse Current Limiting Enhanced Load Response Characteristics

unitrode Applications Note U-96

Abstract: UC3642 UNITRODE applications handbook uc3842 -96 U-101 unitrode unitrode Application Note U-96 forward converter uc3844 500w 500W boost converter uc3843 UC3843 application note buck UC3843 in isolated flyback converter UC3843 application note soft start
Contextual Info: APPLICATION NOTE U-100A THE UC3842/3/4/5 SERIES OF CURRENT-MODE PWM IC’S DESCRIPTION FEATURES The UC1842/3/4/5 family of control ICs provides the nec­ essary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal

Contextual Info: DN-40 U N IT R O D E Design Note THE EFFECTS OF OSCILLATOR DISCHARGE CURRENT VARIATIONS ON MAXIMUM DUTY CYCLE AND FREQUENCY IN UC3842 AND UC3842-"A" PWM ICs by YEAM CHONG HOCK Many designers try to program a precise maximum duty cycle and operating frequency by careful se­

12v dc power supply with uc3845

Abstract: 7812 12v to 5v regulator linear technologies UC1845LQMLV "UC3845" "Boost" UC2845 SO14 1350KB UC2842 TI UC3845 application notes UC3843P 5962-8670404VXA
Contextual Info: UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION • Optimized For Off-line And DC To DC Converters • Low Start Up Current <1mA • Automatic Feed Forward Compensation • Pulse-by-pulse Current Limiting • The UC1842/3/4/5 family of control ICs provides the necessary features to

UC3842B application

Abstract: uc3842b equivalent UC3843B UC3843 UCx84x 384xB
Contextual Info: UC3842B, UC3843B, UC2842B, UC2843B High Performance Current Mode Controllers The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−DC converter applications offering the designer a

UC3845A

Abstract: UC3842A ct 60 transistor uc2842a UC3843A datasheet UC2842AD1 UC2843AD1 UC3843A UC3844A
Contextual Info: UC2842A/3A/4A/5A UC3842A/3A/4A/5A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . . . . . . TRIMMED OSCILLATOR DISCHARGE CURRENT CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING INTERNALLY TRIMMED REFERENCE WITH

Contextual Info: UCC28C40, UCC28C41, UCC28C42, UCC28C43, UCC28C44, UCC28C45 UCC38C40, UCC38C41, UCC38C42, UCC38C43, UCC38C44, UCC38C45 SLUS458C − AUGUST 2001 − REVISED SEPTEMBER 2003 BiCMOS LOWĆPOWER CURRENTĆMODE PWM CONTROLLER FEATURES DESCRIPTION D Enhanced Replacement for UC3842A Family

5962-8670406PA

Abstract: UC1843AJ UC1845AJ (DIL8)
Contextual Info: application INFO available UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A Current Mode PWM Controller FEATURES • Optimized for Off-line and DC to DC Converters • Low Start Up Current <0.5mA • Trimmed Oscillator Discharge Current • Automatic Feed Forward Compensation

uc3843al

Abstract: uc3843ap UC3842AL 3843a uc3842a st 3843a 002G PWM 3843A UC3843AP-S08-R
Contextual Info: UNISONIC TECHNOLOGIES CO., LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT CURRENT MODE PWM CONTROL CIRCUITS „ DESCRIPTION The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode , controlled switching circuits with minimal external components.

3843A

Abstract: UC3843AL PWM 3843A UC3842al uc3843ap TD 3843A st 3843a UC3842A UC3843AL-D08-T 3842a
Contextual Info: UNISONIC TECHNOLOGIES CO., LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT CURRENT MODE PWM CONTROL CIRCUITS „ DESCRIPTION The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode , controlled switching circuits with minimal external components.

flyback uc3842

Abstract: UC3843 u3844 flyback uc3843 UC3843 circuit diagram uc3843 dc 5v UC2842 off-line flyback regulator uc3844 power supply with uc3842 off-line flyback regulator uc3845
Contextual Info: UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS LOW START-UP CURRENT < 1 mA AUTOMATIC FEED FORWARD COMPENSATION PULSE-BY-PULSE CURRENT LIMITING ENHANCED LOAD RESPONSE CHARACTERISTICS

pt16311

Abstract: ST1117 KA1117 PT16315 ST3843 KA7500 pt16312 uc3842b equivalent AD16312 Anachip
Contextual Info: AnaChip Cross Reference Table See http://www.anachip.com/ Linear & switching regulator Anachip ON ST AP1117 ST1117 AP1084 ST1084 AP1184 AP1086 AP1186 AP033 AP431 ST431 AP432 ST432 AP3842 UC3842B ST3842 AP3843 UC3843B ST3843 AP3844 UC3844B ST3844 AP494 AP34063

flyback uc3843

Abstract: u3844 forward converter UC3843 off-line flyback regulator uc3845 power supply with uc2842 flyback uc3842 UC3845 dc dc applications uc3842 circuit diagram uc3843 flyback supply forward converter uc3844
Contextual Info: UC2842/3/4/5 UC3842/3/4/5 CURRENT MODE PWM CONTROLLER . . . . . . . OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS LOW START-UP CURRENT < 1 mA AUTOMATIC FEED FORWARD COMPENSATION PULSE-BY-PULSE CURRENT LIMITING ENHANCED LOAD RESPONSE CHARACTERISTICS

UC3843A

Abstract: uc3843an UC3842AN UC3842A UC3843AD uc3842a application UC3842A application note uc3842an smps smps design notes uc3843a applications
Contextual Info: www.fairchildsemi.com UC3842A/UC3843A SMPS Controller Features Description • • • • • • • The UC3842A/UC3843A are fixed PWM controller for OffLine and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier,

UC1843 current mode

Abstract: UC284X
Contextual Info: IN T E G R A T E D C IR C U I T O UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A UNITRODE Current Mode PWM Controller FEATURES • Optimized fo r off-line and DC to DC converters • Low sta rt up current <0.5 mA • Trimmed oscillator discharge current

UC3845 application note buck

Abstract: UC3843 application note buck forward converter uc3844 500w UC3843 step up converter UC3843 buck converter application note uc3843 step up unitrode Applications Note U-96 UC3844 flyback application note uc3642 UC3845 buck
Contextual Info: U-100A APPLICATION NOTE UC3842/3/4/5 PROVIDES LOW-COST CURRENT-MODE CONTROL INTRODUCTION CURRENT-MODE CONTROL The fundamental challenge of power supply design is to simultaneously realize two conflicting objectives: good electrical performance and low cost. The UC3842/3/4/5

flyback uc3842 application note

Abstract: power supply with uc2842 SLUS223A UC1845 application notes uc3842 power factor UC1842 UC1843 CFP14 flyback uc3842 UC3842
Contextual Info: application INFO available UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 Current Mode PWM Controller FEATURES DESCRIPTION • Optimized For Off-line And DC To DC Converters • Low Start Up Current <1mA • Automatic Feed Forward Compensation • Pulse-by-pulse Current Limiting

Contextual Info: * UC3842AD HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER —TOP VIEW— 14 COMPENSATION 1 14 VREF 3 2 VOLTAGE FEEDBACK NC NC 13 7 VCC 12 +12V 3 3 4 CURRENT SENSE VREF NC GND OUTPUT RT, CT COMPENSATION 1 CURRENT SENSE 50V REFERENCE VCC UNDER VOLTAGE LOCK OUT

UC3843A datasheet

Abstract: UC3842 Datasheet of ic uc3842 application uc3842 uc3842 application circuit uc3842 application note uc3842 unitrode uc3844a datasheet UC3842A UC3843A
Contextual Info: DN-40 Design Note THE EFFECTS OF OSCILLATOR DISCHARGE CURRENT VARIATIONS ON MAXIMUM DUTY CYCLE AND FREQUENCY IN UC3842 AND UC3842−"A" PWM ICs by YEAM CHONG HOCK Many designers try to program a precise maximum duty cycle and operating frequency by careful selection of the oscillator timing components, Rt and

5v power supply with uc3842

Abstract: power supply with uc3842 power supply on ic uc3842 power supply design uc3842 uc3842 flyback uc3842 Datasheet of ic uc3842 power supply using uc3842 UC3842 p pwm flyback uc3842 power supply
Contextual Info: DN-42A Design Notes DESIGN CONSIDERATIONS FOR TRANSITIONING FROM UC3842 TO THE NEW UCC3802 FAMILY John Gaumont In an attempt to stay abreast of trends in the power supply marketplace, the Power Supply Design Engineer is perpetually seeking methods of improving upon existing designs. Requirements such as lower power for

15k resistor

Abstract: unitrode unitrode Applications Note "PWM Controllers" Technique 2N2907A UC3842A DN-29
Contextual Info: DN-29 Design Note UC3842A FAMILY FREQUENCY FOLDBACK TECHNIQUE PROVIDES PROTECTION Excessive power dissipation in switching devices can occur during start-up and overload conditions in many switchmode power supplies. Many sophisticated PWM controllers provide the means for protection against

Contextual Info: _ >7/ UC2842A/3A/4A/5A UC3842A/3A/4A/5A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . TRIMMED OSCILLATOR DISCHARGE CUR­ RENT . CURRENT MODE OPERATION TO 500kHz . AUTOMATIC FEED FORWARD COMPENSA­ TION . LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING . INTERNALLY TRIMMED REFERENCE WITH

-20/UC3845BN USED CIRCUIT

Abstract: UC3843BN
Contextual Info: _ ‘7 / UC2842B/3B/4B/5B UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . TRIMMED OSCILLATOR FOR PRECISE FRE­ QUENCY CONTROL . OSCILLATOR FREQUENCY GUARANTEED AT 250kHz . CURRENT MODE OPERATION TO 500kHz . AUTOMATIC FEED FORWARD COMPENSA­

Contextual Info: S G S -TH O M S O N » » ilU IM IiS D Iê i UC2842A/3A/4A/5A UC3842A/3A/4A/5A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . TRIMMED OSCILLATOR DISCHARGE CUR­ RENT . CURRENT MODE OPERATION TO 500kHz . AUTOMATIC FEED FORWARD COMPENSA­ TION . LATCHING PWM FOR CYCLE-BY-CYCLE