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Power Circuits / Switching Regulator or Controllers / L4981AD
Datasheets
L4981AD by: STMicroelectronics

L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode

Part Details for L4981AD by STMicroelectronics

Overview of L4981AD by STMicroelectronics

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Applications Computing and Data Storage Energy and Power Systems Transportation and Logistics Renewable Energy Electronic Manufacturing Automotive

Price & Stock for L4981AD

Part # Distributor Description Stock Price Buy
DISTI # 89K1330
Newark Power Factor Corrector, 19.5V, Soic-20, Supply Voltage Min:12V, Supply Voltage Max:19.5V, Ic Case/Package:Soic, No. Of Pins:20Pins, Operating Temperature Min:-40°C, Operating Temperature Max:125°C, Product Range:-, Duty Cycle (%):-Rohs Compliant: Yes |Stmicroelectronics L4981AD Min Qty: 40 Package Multiple: 1 Date Code: 0 Container: Bulk 0
Buy Now
DISTI # 497-1414-5-ND
DigiKey IC PFC CTR AVER CURR 100KHZ 20SO Min Qty: 1 Lead time: 25 Weeks Container: Tube 937
In Stock
  • 1 $4.3200
  • 10 $3.8830
  • 40 $3.6710
  • 120 $3.1815
  • 280 $3.0184
  • 520 $2.7084
  • 1,000 $2.2842
  • 2,520 $2.1700
$2.1700 / $4.3200 Buy Now
DISTI # L4981AD
Avnet Americas Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube - Rail/Tube (Alt: L4981AD) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 30 Weeks, 0 Days Container: Tube 0
  • 1,000 $2.3989
  • 2,000 $2.3504
  • 4,000 $2.3020
  • 6,000 $2.2535
  • 8,000 $2.2050
  • 10,000 $2.1566
  • 100,000 $2.1081
$2.1081 / $2.3989 Buy Now
DISTI # 511-L4981AD
Mouser Electronics Power Factor Correction - PFC Very High Power RoHS: Compliant 4344
  • 1 $4.3200
  • 10 $3.8900
  • 25 $2.9600
  • 100 $2.6700
  • 250 $2.5800
  • 500 $2.4200
  • 1,000 $2.1000
  • 2,000 $2.0900
$2.0900 / $4.3200 Buy Now
STMicroelectronics L4981A: Fixed Frequency Average Current Mode, L4981B: Line Modulated Frequency Average Current Mode RoHS: Compliant Min Qty: 1 4344
  • 1 $4.2300
  • 10 $3.8100
  • 25 $2.9400
  • 100 $2.6500
  • 250 $2.5500
  • 500 $2.3800
$2.3800 / $4.2300 Buy Now
Future Electronics L4981 Series 19.5 V 16 mA Surface Mount Power Factor Corrector - SOIC-20 RoHS: Compliant pbFree: Yes Min Qty: 40 Package Multiple: 40 Container: Tube 0
Tube
  • 1 $2.5100
  • 25 $2.4100
  • 75 $2.3500
  • 200 $2.2900
  • 500 $2.1800
$2.1800 / $2.5100 Buy Now
Future Electronics L4981 Series 19.5 V 16 mA Surface Mount Power Factor Corrector - SOIC-20 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 40 Container: Tube 0
Tube
  • 40 $2.2700
  • 160 $2.2000
  • 400 $2.1600
  • 1,000 $2.1200
  • 1,600 $2.0500
$2.0500 / $2.2700 Buy Now
Future Electronics L4981 Series 19.5 V 16 mA Surface Mount Power Factor Corrector - SOIC-20 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 40 Container: Tube 0
Tube
  • 40 $2.3800
  • 120 $2.3100
  • 200 $2.2800
  • 400 $2.2400
  • 800 $2.1800
$2.1800 / $2.3800 Buy Now
Bristol Electronics   16
RFQ
Bristol Electronics   1961
RFQ
Quest Components POWER FACTOR CONTROLLER, 20 Pin, SOP 1568
  • 1 $4.8825
  • 333 $2.6854
  • 746 $2.4413
$2.4413 / $4.8825 Buy Now
Quest Components POWER FACTOR CONTROLLER, 20 Pin, SOP 16
  • 1 $4.8825
  • 3 $4.0688
  • 7 $3.5805
$3.5805 / $4.8825 Buy Now
DISTI # L4981AD
Avnet Americas Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube - Rail/Tube (Alt: L4981AD) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 30 Weeks, 0 Days Container: Tube 0
  • 1,000 $2.3989
  • 2,000 $2.3504
  • 4,000 $2.3020
  • 6,000 $2.2535
  • 8,000 $2.2050
  • 10,000 $2.1566
  • 100,000 $2.1081
$2.1081 / $2.3989 Buy Now
DISTI # L4981AD
TME IC: driver, boost, PFC controller,SMPS controller, SO20, 100kHz Min Qty: 1 169
  • 1 $4.3000
  • 3 $3.9700
  • 10 $3.4400
  • 40 $2.7300
$2.7300 / $4.3000 Buy Now
DISTI # L4981AD
Avnet Americas Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube - Rail/Tube (Alt: L4981AD) RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 30 Weeks, 0 Days Container: Tube 0
  • 1,000 $2.3989
  • 2,000 $2.3504
  • 4,000 $2.3020
  • 6,000 $2.2535
  • 8,000 $2.2050
  • 10,000 $2.1566
  • 100,000 $2.1081
$2.1081 / $2.3989 Buy Now
ComSIT USA POWER FACTOR CORRECTOR Power Factor Controller, Current-mode, 2A, 115kHz Switching Freq-Max, BCDMOS, PDSO20 RoHS: Not Compliant Europe - 891
RFQ
DISTI # L4981AD
Avnet Silica Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube (Alt: L4981AD) RoHS: Compliant Min Qty: 40 Package Multiple: 40 Lead time: 2 Weeks, 3 Days Silica - 120
Buy Now
DISTI # L4981AD
EBV Elektronik Power Factor Correction PWM CONTRLR 0.3mA 115KHz 20-Pin SO Tube (Alt: L4981AD) RoHS: Compliant Min Qty: 40 Package Multiple: 40 Lead time: 3 Weeks, 5 Days EBV - 800
Buy Now
Win Source Electronics IC PFC CTRLR AVERAGE CURR 20SOIC 62041
  • 24 $2.1140
  • 58 $1.7350
  • 90 $1.6810
  • 123 $1.6270
  • 160 $1.5720
  • 213 $1.4100
$1.4100 / $2.1140 Buy Now

Part Details for L4981AD

L4981AD CAD Models

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L4981AD Part Data Attributes

Parametric Data
L4981AD STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4981AD STMicroelectronics L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description SO-20
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 30 Weeks
Samacsys Manufacturer STMicroelectronics
Analog IC - Other Type POWER FACTOR CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 19.5 V
Input Voltage-Min 11 V
Input Voltage-Nom 18 V
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 20
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 2 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP20,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Surface Mount YES
Switcher Configuration SINGLE
Switching Frequency-Max 115 kHz
Technology BCDMOS
Temperature Grade AUTOMOTIVE
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 7.5 mm

Alternate Parts for L4981AD

This table gives cross-reference parts and alternative options found for L4981AD. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of L4981AD, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
L4981AD013TR L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode STMicroelectronics L4981AD vs L4981AD013TR
Part Number Description Manufacturer Compare
L4981AD013TR L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode STMicroelectronics L4981AD vs L4981AD013TR

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