Dark mode is now available! Toggle between light and dark modes. Preference saves when signed in.

Learn more

STMicroelectronics L4981BD

PFC Controller IC, Continuous Conduction Mode, 12 V to 19.5 V, 100 kHz, 20 Pins, SOIC

$ 1.94
Production

Price and Stock

Datasheets & Documents

Download datasheets and manufacturer documentation for STMicroelectronics L4981BD.

Components Direct

Datasheet16 pages24 years ago

HQonline

iiiC

Inventory History

3 month trend:
-30.56%

CAD Models

Download STMicroelectronics L4981BD symbol, footprint, and 3D STEP models from our trusted partners.

sourceeCADmCADFILES
Component Search Engine
SymbolFootprint
3D
Download
SnapEDA
SymbolFootprint
3D
Download
The partner site will open in a new tab when downloading their CAD models
By downloading CAD models from Octopart, you agree to our Terms & Conditions and Privacy Policy.

Alternate Parts

Price @ 1000
$ 1.94
$ 1.761
Stock
194,373
438,602
Authorized Distributors
6
5
Topology
-
-
Max Input Voltage
19.5 V
19.5 V
Min Input Voltage
11 V
11 V
Switching Frequency
115 kHz
115 kHz
Case/Package
SOP
SOP
Packaging
-
Tape and Reel
Power Dissipation
600 mW
-
Max Operating Temperature
125 °C
125 °C
Min Operating Temperature
-40 °C
-40 °C
Max Output Current
2 A
2 A

Supply Chain

Country of OriginMalaysia
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-04
Lifecycle StatusProduction (Last Updated: 1 year ago)

Related Parts

Texas InstrumentsUCC38502DWTR
Power Factor Correction PWM CONTRLR 0.15mA 115KHz 20-Pin SOIC T/R
Texas InstrumentsUCC38503DWTR
Power Factor Correction PWM CONTRLR 0.15mA 115KHz 20-Pin SOIC T/R
Texas InstrumentsUCC38501DWTR
Power Factor Correction PWM CONTRLR 0.15mA 115KHz 20-Pin SOIC T/R
onsemiSG1577SY
DC DC Cntrlr Dual-OUT Sync Buck 8V to 15V Input 20-Pin SOP T/R
DC/DC Cntrlr Triple-OUT Step Down 1000kHz 20-Pin SOIC W T/R
MC33364 Series 16 V 4.5 mA 126 kHz Surface Mount SMPS Controller - SOIC-16

Descriptions

Descriptions of STMicroelectronics L4981BD provided by its distributors.

PFC Controller IC, Continuous Conduction Mode, 12 V to 19.5 V, 100 kHz, 20 Pins, SOIC
L4981 Series 19.5 V Very High Power Factor Corrector Pre-Regulator - SOIC-20
Switching Frequency kHz = 100 / Supply Current mA = 12 / Startup Current uA = 300 / Supply Voltage Max. V = 19.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 125 / Package Type = SO-20 / Pins = 20 / Mounting Type = SMD / Packaging = Tube / Length mm = 13 / Width mm = 10.65 / Height mm = 2.65 / Power Dissipation (Pd) mW = 600

Manufacturer Aliases

STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:

  • ST MICRO
  • STM
  • SGS
  • SGS THOMSON
  • INMOS
  • STMICROE
  • STMICROEL
  • STMICR
  • ST MIC
  • ST MICROELECTRONIC
  • SGS THOMPSON
  • SESCOSEM
  • STMICROELECT
  • ST8
  • STMICROELECTRON
  • WAFERSCALE
  • SGS-ATES
  • ST MICROELECTRONICS SEMI
  • ST/SGS
  • ST MICROELECTRO
  • SGST
  • THOMS
  • STMICROELE
  • WAFERSCALE INTEGRATION INC
  • SGS-Thomson Microelectronics
  • ST Microeletronics

Part Number Aliases

This part may be known by these alternate part numbers:

  • L4981BD.