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Part Manufacturer Description Datasheet BUY
UC3842AQTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20 visit Texas Instruments
UC3842AL Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CQCC20, LCC-20 visit Texas Instruments
UC3842DR-8 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8 visit Texas Instruments
UC3842D8TRG4 Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 visit Texas Instruments
UC3842DWTR Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16 visit Texas Instruments
UC3842DW Texas Instruments 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO16 visit Texas Instruments

uc3842 power factor

Catalog Datasheet MFG & Type PDF Document Tags

boost uc3842 application note

Abstract: uc3842 power factor SMPS using power factor correction, the convertion is accomplished with a PFC stage, in boost topology , provided with I/O sync.) and the UC3842 PWM controller without any dedicated pin for sync.). When L4990 , suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a , synchronizes both the PFC and the PWM controller (L4990 or UC3842). This can be a real situation in a TV or , L4981A 8 8.2K 1K UC3842 4 16 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4
STMicroelectronics
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AN832 1N4148 boost uc3842 application note uc3842 power factor uc3842 application circuit uc3842 smps uc3842 application note boost with uc3842 D95IN296B D95IN297A

boost uc3842 application note

Abstract: boost with uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION In most of SMPS using power factor correction, the , reason the reported circuit is suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a dedicated sync. pin. The suggested circuits are shown in fig. 3 and 4 , example in which an external frequency synchronizes both the PFC and the PWM controller (L4990 or UC3842). , and a current mode controller. L4981A 1K 16 MASTER 100 8.2K 4 10nF 8 UC3842 5 SLAVE
STMicroelectronics
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D95IN296A D95IN297

L4981A

Abstract: uc3842 APPLICATION NOTE L4981A SYNCHRONIZATION by C. Adragna In most of SMPS using power factor , suggested. Using the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a , frequency synchronizes both the PFC and the PWM controller (L4990 or UC3842). This can be a real , controller. 100 L4981A 8.2K 1K 8 4 16 UC3842 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4: Current mode controller used as a master sync. UC3842 120 6 470pF MASTER
STMicroelectronics
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uc3842 boost UC3842 SGS pwm contoller circuits

boost uc3842 application note

Abstract: uc3842 slave (see fig. 2). In most of SMPS using power factor correction, the convertion is accomplished , the UC3842 with the L4981A it is necessary to consider that the UC3842 does not have a dedicated sync , synchronizes both the PFC and the PWM controller (L4990 or UC3842). This can be a real situation in a TV or , L4981A 8 8.2K 1K 4 16 UC3842 10nF MASTER 5 SLAVE 47 D95IN295A Figure 4: Current mode controller used as a master sync. UC3842 120 6 470pF MASTER 3.3K L4981A
STMicroelectronics
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flyback uc3842 application note

Abstract: power supply with uc2842 Rating 700 mW TA 70°C Power Rating 452 mW Derating Factor Above TA 25°C 5.5 mW/°C 2 TA 85°C Power Rating 370 mW TA 125°C Power Rating 150 mW UC1842/3/4/5 UC2842/3/4/5 UC3842 , 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 , . -0.3V to +6.3V Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10mA Power
Texas Instruments
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UC1842 UC1843 flyback uc3842 application note power supply with uc2842 UC1845 application notes CFP14 UC3842/3/4/5 UC1844 UC1845

smps with uc3842 and tl431

Abstract: mc34063 step down with mosfet Thyristor / Insulated Thyristor Automatic Voltage Switch - Controller & Triac Discont. Mode Power Factor Controller (ZVT) 150W 8/16-Bit MCU 16kEprom , Automatic Voltage Switch - Controller & Triac Discont. Mode Power Factor Controller (ZVT) , STTH806TTI Average-Current Cont. Mode Power Factor Controller 500/600V Mosfet TO220/Max220/TO-247/Max247 , POWER SUPPLY EQUIPMENT STMicroelectronics SOLUTIONS Power Converter Block Diagram Mains
STMicroelectronics
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smps with uc3842 and tl431 mc34063 step down with mosfet mc34063 step up with mosfet MC34063 MOSFET UC3842 step up converter mc34063 step down 5a BF3510TV BHA/K3012TV 600CW AVS08 L6560/A

power supply with uc2842

Abstract: SLUS223A Derating Factor Above TA 25°C 5.5 mW/°C 2 TA 85°C Power Rating 370 mW TA 125°C Power , UC2842/3/4/5 UC3842/3/4/5 OFFLINE FLYBACK REGULATOR Power Supply Specifications 1. Input Voltages , 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 , Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10 mA Power Dissipation at TA 25
Texas Instruments
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UC3842 flyback flyback uc3842 uc3842 circuit diagram

boost uc3842 application note

Abstract: FEATURES Can Be Used For Power Factor Correction/Line Harmonics Reduction to Meet IEC1000 , APPLICATIONS Power Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies Off-Line , , the TK75005 can be used as a highly cost-effective controller for power factor correction. The most , POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor , technique and the application ci rcuit with waveforms are described in the paper "Low-Cost Power Factor
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IEC1000-3-2 TK75003

uc3802

Abstract: 12vdc power supply with uc3842 prolific of PWM ICs are those of the UC3842 family which are easy to use and to power. The VCC supply can , to Vcc will limit current. With the UCC3889 IC, an input Power Factor Correction IC or other , more power in comparison to the replacement series of Unitrode UCC3802 BiCMOS PWMs. Requiring only about 10% of the current used by the UC3842, these BiCMOS parts are a logical replacement for previous UC3842 based designs. The tradeoff is that the maximum voltage is 13.5V. With these specifications in
Unitrode
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DN-65 U-149 uc3802 12vdc power supply with uc3842 unitrode Applications Note of ic uc3842 5v power supply with uc3842 UDG-95125 UCC3800/1/2/3/4/5 U-132 UCC3806 U-144

uc3842 theory of pin diagram

Abstract: irf840 uc3842 Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies Off-Line Battery , , the TK75005 can be used as a highly cost-effective controller for power factor correction. The most , discharge the Page 6 July 2001 TOKO, Inc. TK75005D APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector , and the application circuit with waveforms are described in the paper "Low-Cost Power Factor
TOKO
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uc3842 theory of pin diagram irf840 uc3842 UC3842 boost converter CT 1975 circuit uc3842 battery charger pulse powersystems 0798O0

UC3843 diagram

Abstract: UC2843 applications TABLE PACKAGE D P TA < 25 °C POWER RATING 9 5 0 mW 1 000 mW DERATING FACTOR ABOVE T a - 2 5 °C 7.6 m W , UC2842, UC2843, UC2844, UC2845 UC3842, UC3843, UC3844, UC3845 CURRENT-MODE P W M CONTROLLERS D3175 , 6 8 J POWER RT/CT C 7 · · · · · GROUND NC - No internal connection P PACKAGE (TOP VIEW , 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
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UC3843 diagram UC2843 applications unitrode Applications Note uc3843 UC2845 application notes uc3843 power factor 1989-REVISED U02845

uc3842 unitrode 100 watt

Abstract: 24v dc power supply with uc3842 off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count , Reference · Same Pinout as UC3842 and UC3842A Part Number UCCx800 UCCx801 UCCx802 UCCx803 UCCx804 , power supplies. The UCC180x series is specified for operation from -55oC to +125oC, the UCC280x series , . . . . 20.0mJ Analog Inputs (FB, CS) . . . . . . . . . . . . . . . . . . . . -0.3V to 6.3V Power Dissipation at TA < +25oC (N or J Package) . . . . . 1.0W Power Dissipation at TA < +25oC (D Package). . . .
Unitrode
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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 UNITRODE applications handbook uc3842 -96 UC3843 in non isolated flyback converter UCC1800/1/2/3/4/5 UCC2800/1/2/3/4/5 UCC1803

irf840 uc3842

Abstract: uc3842 theory of pin diagram Can Be Used For Power Factor Correction/Line Harmonics Reduction to Meet IEC1000-3-2 Requirements s , s s Power Factor Correction Converters Off-Line Power Supplies Industrial Power Supplies , Information" section, the TK75005 can be used as a highly cost-effective controller for power factor , APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector application circuit. The control technique is called
TOKO
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UC3842 mosfet driver power supply with uc3842 ETD-29 HFA04TB60 ath110 UC3842 etd29

USD1120 ZENER

Abstract: USD1120 FACTOR ABOVE TA 25°C 5.5 mW/°C TA 70°C POWER RATING 452 mW TA 85°CPO WER RATING 370 mW TA 125°C POWER , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 , REF 8 14 VREF 5V 50 mA 7 11 VC COMP 1 CURRENT SENSE 3 POWER GROUND Note 1: A/B A = DIL-8 Pin , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223B ­ APRIL 1997 ­ REVISED JANUARY 2007 www.ti.com , inputs (Pins 2, 3) Error amp output sink current TA 25°C (DIL-8) Power dissipation Storage temperature
Texas Instruments
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U9D946 UF81002 USD1120 UFN833 USD1120 ZENER USD1120 diode diode USD1120 uc38448 1N3613 1N3612 UES1002

irf840 uc3842

Abstract: uc3842 theory of pin diagram TK75005D LOW-COST FLEXIBLE PWM CONTROLLER FEATURES s Can Be Used For Power Factor Correction/Line , Compensation s Pulse-by-Pulse Current Limiting APPLICATIONS s s s s Power Factor Correction Converters , controller for power factor correction. The most noteworthy integrated feature in the TK75005 is the way in , / 8 V 6) maximum duty cycle set at 89% TK75005D APPLICATIONS INFORMATION BOOST POWER FACTOR CORRECTOR APPLICATION CIRCUIT Figure 7 shows a universal-input, 100 W boost power factor corrector
TOKO
Original

uc3802

Abstract: 12vdc power supply with uc3842 devices. The most prolific of PW M ICs are those of the UC3842 family which are easy to use and to power , consumes significantly more power in comparison to the replacement series of Unitrode UCC3802 B iC M O S PW Ms. Requiring only about 1 0 % of the current used by the UC3842, these B iC M O S parts are a logical replacement for previous UC3842 based designs. The trade off is that the maximum voltage is 13.5V. With these specifications in mind, several power methodologies will be described. Upon first review of
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Andreycak UC3842 Volt Regulated power zener diodes 13.5v C3854A/B F/25V N4937 1N4935 M-F/25V

uc3802

Abstract: 12vdc power supply with uc3842 prolific of PWM ICs are those of the UC3842 family which are easy to use and to power. The VCC supply can , to Vcc will limit current. With the UCC3889 IC, an input Power Factor Correction IC or other , more power in comparison to the replacement series of Unitrode UCC3802 BiCMOS PWMs. Requiring only about 10% of the current used by the UC3842, these BiCMOS parts are a logical replacement for previous UC3842 based designs. The tradeoff is that the maximum voltage is 13.5V. With these specifications in
Unitrode
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power supply on ic uc3842 power supply design uc3842 95125
Abstract: each trace. DISSIPATION RATINGS PACKAGE TA≤ 25°C POWER RATING DERATING FACTOR ABOVE TAâ , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C â'" APRIL 1997 â'" REVISED JUNE , PWM LATCH 5 8 POWER GROUND 5 Note 1: A/B A = DILâ'8 Pin Number. B = SOâ'14 and CFPâ , UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C â'" APRIL 1997 â'" REVISED JUNE 2007 ABSOLUTE , -14) Power dissipation 725 mW TA≤ 25°C (SOIC-8) 650 mW Storage temperature range â Texas Instruments
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ISO/TS16949

UC3843 application note buck

Abstract: uc3843 design guide Package W TA 25°C Power Rating 700 mW Derating Factor Above TA 25°C 5.5 mW/°C TA 70°C Power Rating 452 , . UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 OFFLINE FLYBACK REGULATOR Power Supply Specifications 1. Input , 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 , +6.3V Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . . 10mA Power Dissipation at TA
Texas Instruments
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UC3843 application note buck uc3843 design guide UC3845 application note buck UC2845* application note UC3843 Boost BLOCK DIAGRAM buck uc3843 UC3845D UC3845D8 UC3845D8TR UC3845DTR UC3845J UC3845N

uc38448

Abstract: flyback uc3842 power supply FACTOR ABOVE TA 25°C 5.5 mW/°C TA 70°C POWER RATING 452 mW TA 85°CPO WER RATING 370 mW TA 125°C POWER , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 www.ti.com SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 , REF 8 14 VREF 5V 50 mA 7 11 VC COMP 1 CURRENT SENSE 3 POWER GROUND Note 1: A/B A = DIL-8 Pin , UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 SLUS223C ­ APRIL 1997 ­ REVISED JUNE 2007 www.ti.com , inputs (Pins 2, 3) Error amp output sink current TA 25°C (DIL-8) Power dissipation Storage temperature
Texas Instruments
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flyback uc3842 power supply application note uc3845 uc3843 flyback supply uc3844 14 pin ic configuration 5X842
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