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Part Manufacturer Description Last Check Distributor Ordering
L4981A SI Semiconductors POWER FACTOR CONTROLLER, 20 Pin, DIP 400 from $2.5220 (Dec 2016) Quest Components Buy
L4981A STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin PDIP Tube 108 from $1.6390 (Sep 2016) Arrow Electronics Buy
L4981A STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin PDIP Tube - Rail/Tube (Alt: L4981A) 900 from $1.7312 (Dec 2016) Avnet Buy
L4981A STMicroelectronics - 82 (Dec 2016) Chip One Exchange Buy
L4981A STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin PDIP Tube 108 from $2.01 (Sep 2016) Chip1Stop Buy
L4981A STMicroelectronics PFC IC Operating temperature: -40...+125 °C Package: DIL-20 8 from €2.60 (Dec 2016) Distrelec Buy
L4981A STMicroelectronics POWER FACTOR CORRECTOR, 4981, DIP20 41 from $2.04 (Nov 2016) element14 Asia-Pacific Buy
L4981A STMicroelectronics POWER FACTOR CORRECTOR, 4981, DIP20 from kr27.3000 (Dec 2016) Farnell element14 Buy
L4981A STMicroelectronics L4981 Series 19.5 V 16 mA Through Hole Power Factor Corrector - DIP-20 from $1.68 (Dec 2016) Future Electronics Buy
L4981A STMicroelectronics Power Factor Correction - PFC Very High Power from $1.54 (Dec 2016) Mouser Electronics Buy
L4981A STMicroelectronics Power Conversion from $2.19 (Dec 2016) Newark element14 Buy
L4981A STMicroelectronics POWER FACTOR CONTROLLER, 20 Pin, DIP 610 from $2.5220 (Dec 2016) Quest Components Buy
L4981A STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin PDIP Tube 108 from $1.7610 (Sep 2016) Verical Buy
L4981AD ST-SEMICONDUCTORS OF INDIANA POWER FACTOR CONTROLLER, 20 Pin, SOP 3 from $3.70 (Dec 2016) Quest Components Buy
L4981AD STMicroelectronics IC Date Code: 9952 30 from $1.70 (Nov 2016) Area51 Buy
L4981AD STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube 790 from $1.6410 (Dec 2016) Arrow Electronics Buy
L4981AD STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube (Alt: L4981AD) from $1.7490 (Dec 2016) Avnet Buy
L4981AD STMicroelectronics Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube 790 from $1.63 (Dec 2016) Chip1Stop Buy
L4981AD STMicroelectronics IC PFC CTRLR AVERAGE CURR 20SOIC 1,311 from $1.7948 (Dec 2016) Digi-Key Buy
L4981AD STMicroelectronics L4981 Series 19.5 V 16 mA Surface Mount Power Factor Corrector - SOIC-20 832 from $1.70 (Dec 2016) Future Electronics Buy

L4981 Datasheet

Part Manufacturer Description PDF Type Ordering
L4981 N/A Shortform IC and Component Datasheets (Plus Cross Reference Data)
ri

1 pages,
66.8 Kb

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L4981 STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
2618.27 Kb

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L4981 STMicroelectronics POWER FACTOR CORRECTOR
ri

17 pages,
227.95 Kb

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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
649.36 Kb

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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
541.99 Kb

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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

17 pages,
242.03 Kb

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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
2618.26 Kb

Original Buy
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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
176.41 Kb

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L4981A STMicroelectronics POWER FACTOR CORRECTOR
ri

17 pages,
227.94 Kb

Original Buy
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L4981AD STMicroelectronics POWER FACTOR CORRECTOR
ri

16 pages,
649.36 Kb

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L4981

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: an L4981 controller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of 85V to 270V and uses average , + - 13 + 20 1 FULL PROTECTION - + VREF ONE CHIP L4981A/B CONTROLLER 14 5 , only 0.5mA and separate grounds for the power and signal stages. L4981 use an optimum current control , capability of the L4981 controller. The integrated TURBOSWITCH(TM) freewheeling diode is an ultra-fast ... STMicroelectronics
Original
datasheet

8 pages,
77.94 Kb

3000W with PCB l4981a 30V 20A 10KHz power MOSFET APPLICATION L4981 L4981 PFC AMPLIFIER 1500w 3kw pfc L4981 L4981 3000w 3000w amplifier MOSFET Module 24v 1000A STE30NA50-DK 3000w mosfet circuit 3000w power amplifier Circuit SCHEMATIC 3000w Power Amplifier STH80N05 SCHEMATIC 3000w Amplifier 1500W Power Amplifier PCB Layout 3kw pfc using l4981 application note power amplifier 3000W with PCB TEXT
datasheet frame
Abstract: an L4981 controller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of 85V to 270V and uses average , compensation 13 + 20 1 FULL PROTECTION - + VREF ONE CHIP L4981A/B CONTROLLER 14 5 , only 0.5mA and separate grounds for the power and signal stages. L4981 use an optimum current control , capability of the L4981 controller. The integrated TURBOSWITCH(TM) freewheeling diode is an ultra-fast ... STMicroelectronics
Original
datasheet

8 pages,
122.9 Kb

CO55866A2 STH80N05 STE30NA50-DK T300-26D L4981 3000w pfc MOSFET Module 24v 1000A 3000w amplifier 1400w mosfet amplifier 3000W with PCB T300-26D iron powder core D95IN255 3000w mosfet circuit 3000w power amplifier Circuit L4981 3000w SCHEMATIC 3000w Power Amplifier 1500W Power Amplifier PCB Layout 3kw pfc using l4981 application note SCHEMATIC 3000w Amplifier power amplifier 3000W with PCB TEXT
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Abstract: Copyrighted By Its Respective Manufacturer L4981A- L4981B ELECTRICAL CHARACTERISTICS (continued) Symbol , Material Copyrighted By Its Respective Manufacturer L4981A- L4981B Figure 3: MULTI-OUT vs. Iac (Vrms , scs-thomson 5s«CB@(3li1c™@ibi)SS This Material Copyrighted By Its Respective Manufacturer L4981A- L4981B , Copyrighted By Its Respective Manufacturer L4981A- L4981B S020 PACKAGE MECHANICAL DATA DIM. mm inch , SGS-THOMSON L4981A L4981B POWER FACTOR CORRECTOR ■ CONTROL BOOST PWM UP TO 0.99P.F. â ... OCR Scan
datasheet

16 pages,
541.99 Kb

S020 200w power amplifier circuit diagram 3kw pfc L4981 438i DIP20 200w power AB amplifier circuit diagram L4981X L4981B L4981XD p600m DIODE larcet power supply 3kw pfc l49818 L4981A L4981B L4981A L4981A L4981B L4981 L4981 PFC TEXT
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Abstract: L4981A/B CONTROLLER 14 6 D95IN252 D95IN252 VREF AN829/0695 AN829/0695 - + 1/8 APPLICATION NOTE SEMI-CONDUCTOR KIT The semiconductor kit consists of an L4981 controller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of , starting current of only 0.5mA and separate grounds for the power and signal stages. L4981 use an optimum , and so its drive requirements are compatible with the 2A peak current capability of the L4981 ... STMicroelectronics
Original
datasheet

8 pages,
83.07 Kb

T300-26D iron powder core 3000w amplifier 3000w mosfet circuit 1400w mosfet amplifier L4981 PFC MOSFET Module 24v 1000A STE36N50-DK 3000w pfc 3000w power amplifier Circuit L4981 3000w L4981 MOSFET Module 100v 1000A D95IN255 SCHEMATIC 3000w Power Amplifier SCHEMATIC 3000w Amplifier 1500W Power Amplifier PCB Layout 3kw pfc using l4981 application note power amplifier 3000W with PCB TEXT
datasheet frame
Abstract: consists of an L4981 controller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of 85V to 270V and uses average , 13 + 20 1 FULL PROTECTION - + VREF ONE CHIP L4981A/B CONTROLLER 14 5 , only 0.5mA and separate grounds for the power and signal stages. L4981 use an optimum current control , requirements are compatible with the 2A peak current capability of the L4981 controller. The integrated ... STMicroelectronics
Original
datasheet

9 pages,
91.74 Kb

L4981 PFC T300-26D iron powder core 3000w pfc 1400W AN829 1400w mosfet amplifier 30V 20A 10KHz power MOSFET L4981A 3000W with PCB L4981 3000w 3000w amplifier APPLICATION L4981 L4981 SCHEMATIC 3000w Amplifier 3000w mosfet circuit SCHEMATIC 3000w Power Amplifier 1500W Power Amplifier PCB Layout MOSFET Module 24v 1000A 3kw pfc using l4981 application note power amplifier 3000W with PCB TEXT
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Abstract: 20 SO 20 ORDERING NUMBERS: L4981X (DIP 20) L4981 XD (SO 20) . DESCRIPTION The L4981 , L4981 A. For a better precision and for L4981B an external divider must be used. Value selflimit 2 , Frequency M odulation Sink Current (L4981B) Sync. Voltage (L4981A) Voltage at pin 2 Voltage at Pin 2 t = 1 , dissipation limits must be observed. PIN CONNECTIONS (Top views) L4981A L4981 B P-GND C IPK L 0UP , SS 13 14 15 16 VA-O UT VFEED P-UVLO SYNC (L4981 A) FREQ-MOD (L4981B) 17 18 19 20 Rose ... OCR Scan
datasheet

17 pages,
408.11 Kb

L4981 ET3411 4981 TEXT
datasheet frame
Abstract: APPLICATION NOTE DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS , improved (up to 0.99). Increasing in addition, the Figure 1: L4981 Block Diagram RMS current capability , spikes will be absorbed by the inductor. AN628/0795 AN628/0795 1/23 APPLICATION NOTE THE L4981 PFC CONTROLLER IC The L4981 integrated circuit is a continous mode average current controller with several , L4981 can be used in systems with universal input mains voltage without any line switch. This new PFC ... STMicroelectronics
Original
datasheet

23 pages,
336.06 Kb

APPLICATION L4981 220v Ac- 10.5v Dc transformer 60Hz L4981 RCD snubbe regulator input 220V output 15V DC 3A ac-dc converter full wave type diagram full wave bridge rectifier 25A 50V L4981 PFC 220v generator power booster 3kw pfc using l4981 application note IEC555 TEXT
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Abstract: /17 L4981A- L4981B put filter; both the operating frequency modes working with an average current , –¡ □ □ GDRU UCC COSC ROSC FREQ-MOD P-UULO UFEED UA-OUT SS UREF L4981A- L4981B , # iM ffiH iiu T © in S in @ iCR iü (E 3/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS (Unless , 140 UA 0.1 0.25 V L4981A- L4981B ELECTRICAL CHARACTERISTICS (continued) Symbol , # S ö @ lC R lü (E ä ffiH llU T © lö S 5/17 L4981A- L4981B ELECTRICAL CHARACTERISTICS ... OCR Scan
datasheet

16 pages,
255.55 Kb

TEXT
datasheet frame
Abstract: synchronization working at fixed frequency (L4981A), or working in modulated frequency (L4981B) to optimize the , AN628 AN628 APPLICATION NOTE DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 , minimizes line noise and the line spikes will be absorbed by the inductor. Figure 1. L4981 Block Diagram April 2004 1/35 AN628 AN628 APPLICATION NOTE THE L4981 PFC CONTROLLER IC The L4981 integrated circuit , used, operative switching frequency higher than 200kHz can be used. The L4981 can be used in systems ... STMicroelectronics
Original
datasheet

35 pages,
758.14 Kb

220v 2a diode bridge 220VAC single phase AC regulator ET3411 DIODE RECTIFIER BRIDGE SINGLE 55a 600v 220v generator power booster 431w L4981 PFC L4981A l6561 200w DZW06 stm12nm50 L4981 AN628 L4981 431w transistor AN628 L4981 220V ferrite core transformer AN628 L4981 l4981 AN628 AN628 L4981 dzw*06 AN628 L4981 AN628 AN628 L4981 TEXT
datasheet frame
Abstract: synchronization working at fixed frequency (L4981A), or working in modulated frequency (L4981B) to optimize the , AN628 AN628 APPLICATION NOTE DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 , minimizes line noise and the line spikes will be absorbed by the inductor. Figure 1. L4981 Block Diagram February 2002 1/35 AN628 AN628 APPLICATION NOTE THE L4981 PFC CONTROLLER IC The L4981 integrated circuit , used, operative switching frequency higher than 200kHz can be used. The L4981 can be used in systems ... STMicroelectronics
Original
datasheet

35 pages,
301.42 Kb

amplifier 400W vlf rf mosfet graetz bridge L4981A 220v 2a diode bridge dzw*06 220V ac to 9V dc converter circuit 220V ferrite core transformer ap 330n l6561 400w 431W 431w transistor graetz bridge 100v 3a AN628 L4981 L4981 PFC AN628 L4981 diode byt 11600 AN628 L4981 200w power amplifier circuit diagram AN628 L4981 L4981 AN628 L4981 l4981 AN628 AN628 L4981 AN628 AN628 L4981 TEXT
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Abstract: APPLICATION NOTE DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS , addition, the Figure 1: L4981 Block Diagram AN628/1297 AN628/1297 RMS current capability from the mains , be absorbed by the inductor. 1/23 APPLICATION NOTE THE L4981 PFC CONTROLLER IC The L4981 , technology used, operative switching frequency higher than 200kHz can be used. The L4981 can be used in , APPLICATION NOTE Figure 4. CONTROLLER FUNCTION DESCRIPTION. The L4981 I.C. controls the conversion ... STMicroelectronics
Original
datasheet

23 pages,
327.87 Kb

thomson Ferrite Materials b50 2500 3kw pfc 220v 25a diode bridge voltage regulator thomson CSF APPLICATION L4981 lpk 12-23 OREGA 200W AMPLIFIER L4981A thomson ferrites b50 L4981 L4981 PFC 220v Ac- 10.5v Dc transformer 60Hz l4981 AN628 3kw pfc using l4981 application note 220v generator power booster TEXT
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Archived Files

Abstract Saved from Date Saved File Size Type Download
ST | DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE AN628 AN628 DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE Document Number: 4040 Date Update: 20/12/97 Pages: 23 The document is available in the following formats: Portable Document Format and Raw Text Format
/datasheets/files/stmicroelectronics/stonline/books/all/4040-v2.htm
STMicroelectronics 14/06/1999 0.93 Kb HTM 4040-v2.htm
ST | DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE Application Note DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE AN628 AN628 Document Format Size Document Number Date Update Pages Portable Document Format 4040 20/12/1997 23 Raw Text Format
/datasheets/files/stmicroelectronics/stonline/books/all/4040-v3.htm
STMicroelectronics 20/10/2000 2.96 Kb HTM 4040-v3.htm
ST | DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE Application Note DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE AN628 AN628 Document Format Size Document Number Date Update Pages Portable Document Format 4040 25/10/2000 23 Raw Text Format
/datasheets/files/stmicroelectronics/stonline/books/all/4040-v4.htm
STMicroelectronics 30/10/2000 2.79 Kb HTM 4040-v4.htm
SGS-THOMSON | DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE AN628 AN628 DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE Document Number: 4040 Date Update: 20/12/97 Pages: 23 The document is available in the following formats: Portable Document Format and Raw Text Format
/datasheets/files/stmicroelectronics/stonline/books/all/4040.htm
STMicroelectronics 06/02/1998 0.98 Kb HTM 4040.htm
L4981A works at fixed frequency and the L4981B at modulated frequency, optimizing the size of the L4981A/B POWER FACTOR CORRECTORS - TECHNOLOGY and PACKAGE INNOVATIONS MAXIMIZE MOSFET POWER DENSITY   FOR VERY HIGH POWER: THE L4981A/B POWER FACTOR pre-regulator stage, the L4981/A and L4981/B incorporate all functions for the design of high efficient-mode power supply with sinusoidal line current consumption. The L4981 devices use average
/datasheets/files/stmicroelectronics/stonline/press/magazine/prodnews/5thedi98/pnews4-v2.htm
STMicroelectronics 02/04/1999 5.19 Kb HTM pnews4-v2.htm
ST | DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE AN628 AN628 DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981 CONTINUOUS MODE Document Number: 4040 Date Update: 20/12/97 Pages: 23 The document is available in the following formats: Portable Document Format and Raw Text Format
/datasheets/files/stmicroelectronics/stonline/books/all/4040-v1.htm
STMicroelectronics 31/03/1999 0.95 Kb HTM 4040-v1.htm
L4981A works at fixed frequency and the L4981B at modulated frequency, optimizing the size of the L4981A/B POWER FACTOR CORRECTORS - TECHNOLOGY and PACKAGE INNOVATIONS MAXIMIZE MOSFET POWER DENSITY   FOR VERY HIGH POWER: THE L4981A/B POWER FACTOR pre-regulator stage, the L4981/A and L4981/B incorporate all functions for the design of high efficient-mode power supply with sinusoidal line current consumption. The L4981 devices use average
/datasheets/files/stmicroelectronics/stonline/press/magazine/prodnews/5thedi98/pnews4-v1.htm
STMicroelectronics 14/06/1999 5.17 Kb HTM pnews4-v1.htm
ST | PRODUCT NEWS 5th EDITION 1998 | FOR VERY HIGH POWER: THE L4981A - FOR VERY HIGH POWER: THE L4981A/B POWER FACTOR CORRECTORS - TECHNOLOGY and PACKAGE INNOVATIONS MAXIMIZE MOSFET POWER DENSITY   FOR VERY HIGH POWER: THE L4981A/B POWER pre-regulator stage, the L4981/A and L4981/B incorporate all functions for the design of high efficient-mode power supply with sinusoidal line current consumption. The L4981 devices use average current mode
/datasheets/files/stmicroelectronics/stonline/press/magazine/prodnews/5thedi98/pnews4.htm
STMicroelectronics 12/11/1999 5.6 Kb HTM pnews4.htm
semiconductor kit consists of an L4981 con - troller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of 85V to 270V 5 + 20 FULL PROTECTION ONE CHIP L4981A/B CONTROLLER 4 any compensation 1 D95IN252A D95IN252A L4981 use an optimum current control method. It is an average current control using feed forward line type and so its drive requirements are compatible with the 2A peak current capability of the L4981
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/4050-v3.htm
STMicroelectronics 25/05/2000 19.61 Kb HTM 4050-v3.htm
consists of an L4981 con - troller, an STE36N50-DK STE36N50-DK power module and an STH80N05 STH80N05 power sense (see figure 1). L4981A/B controller: The L4981 operates with an input voltage range of 85V to 270V and uses average 20 FULL PROTECTION ONE CHIP L4981A/B CONTROLLER 4 any compensation 1 D95IN252A D95IN252A Figure 1 current of only 0.5mA and separate grounds for the power and signal stages. L4981 use an optimum current with the 2A peak current capability of the L4981 con - troller. The integrated TURBOSWITCH (TM
/datasheets/files/stmicroelectronics/stonline/books/ascii/docs/4050-v2.htm
STMicroelectronics 14/06/1999 17.75 Kb HTM 4050-v2.htm

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