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L4981AD

STMicroelectronics

L4981AD by STMicroelectronics

L4981AD by STMicroelectronics is a current-mode switching regulator with max output current of 2A and max operating temp of 125°C. Ideal for automotive applications, it features BCDMOS technology, pulse width modulation control technique, and a small outline package style.

Median Price

$4.210

Lifecycle Status

Suppliers In-Stock

37

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Chip1Stop

Japan . 838 parts In-Stock

1+ parts

$4.150

100+ parts

$2.430

1k+ parts

$2.090

10k+ parts

$2.040

838

$4.150

$2.430

$2.090

$2.040

Arrow

USA . 838 parts In-Stock

1+ parts

$4.210

100+ parts

$2.758

1k+ parts

$2.489

10k+ parts

$2.433

838

$4.210

$2.758

$2.489

$2.433

Verical

USA . 838 parts In-Stock

1+ parts

$4.210

100+ parts

$2.758

1k+ parts

$2.489

10k+ parts

$2.433

838

$4.210

$2.758

$2.489

$2.433

Mouser Electronics

USA . 1,015 parts In-Stock

1+ parts

$5.100

100+ parts

$3.180

1k+ parts

$2.820

10k+ parts

$2.750

1,015

$5.100

$3.180

$2.820

$2.750

DigiKey

USA . 470 parts In-Stock

1+ parts

$5.360

100+ parts

$3.636

1k+ parts

$3.072

10k+ parts

$2.984

470

$5.360

$3.636

$3.072

$2.984

Avnet

USA . 2,120 parts In-Stock

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2,120

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RS (Exports)

UK . 134 parts In-Stock

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$4.099

1k+ parts

$2.922

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-

134

-

$4.099

$2.922

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Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Nova Conductors

Japan . 50 parts In-Stock

1+ parts

$2.635

100+ parts

-

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50

$2.635

-

-

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Digiode

USA . 4,716 parts In-Stock

1+ parts

$3.202

100+ parts

-

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4,716

$3.202

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TME

Poland . 25 parts In-Stock

1+ parts

$4.180

100+ parts

$2.850

1k+ parts

$2.610

10k+ parts

-

25

$4.180

$2.850

$2.610

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Chip Stock

USA . 53,500 parts In-Stock

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ComSIT Distribution GmbH

Germany . 1,942 parts In-Stock

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1,942

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ComSIT USA

USA . 1,942 parts In-Stock

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1,942

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Sensible Micro Corp

USA . 1,573 parts In-Stock

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1,573

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Martec Srl

Italy . 1,100 parts In-Stock

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Anansix

USA . 986 parts In-Stock

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Vyrian

USA . 958 parts In-Stock

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958

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HZD GmbH

Germany . 800 parts In-Stock

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800

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Rebound Electronics

UK . 284 parts In-Stock

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284

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Holdelec - ElecDif-Pro

France . 175 parts In-Stock

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175

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Avant Electronics Limited

UK . 100 parts In-Stock

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100

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J2 Sourcing AB

Sweden . 90 parts In-Stock

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90

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First Choice Components Inc.

USA . 71 parts In-Stock

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M&R Communications

USA . 35 parts In-Stock

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35

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Fibra_Brandt Electronic GMBH

Germany . 32 parts In-Stock

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32

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ACDS - Activité Composants Distribution Service

France . 30 parts In-Stock

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Sunrise Surplus Inc.

USA . 25 parts In-Stock

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ECAB

Sweden . 21 parts In-Stock

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EMSNET

USA . 21 parts In-Stock

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Huijzer Components

Netherlands . 20 parts In-Stock

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20

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A&K Electronics

USA . 16 parts In-Stock

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Rotakorn

Sweden . 16 parts In-Stock

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Bristol Electronics

USA . 16 parts In-Stock

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16

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Electronic Expediters

USA . 14 parts In-Stock

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Q Components

USA . 5 parts In-Stock

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5

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Whistler Technology

UK . 2 parts In-Stock

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2

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LittleDiode

UK . 1 parts In-Stock

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1

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Argo Parts USA

USA . 4,007 parts In-Stock

1+ parts

$2.635

100+ parts

-

1k+ parts

-

10k+ parts

-

4,007

$2.635

-

-

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Continental Prestige Electronics

USA . 3,193 parts In-Stock

1+ parts

$2.635

100+ parts

-

1k+ parts

-

10k+ parts

$2.583

3,193

$2.635

-

-

$2.583

Corphita

USA . 2,992 parts In-Stock

1+ parts

$3.033

100+ parts

-

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-

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-

2,992

$3.033

-

-

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Vigor

Singapore . 905 parts In-Stock

1+ parts

$3.430

100+ parts

-

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905

$3.430

-

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Ampacity Inc.

Singapore . 1,524 parts In-Stock

1+ parts

$4.200

100+ parts

-

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10k+ parts

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1,524

$4.200

-

-

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IDEA Electronic Components Group

UK . 1,473 parts In-Stock

1+ parts

$7.524

100+ parts

-

1k+ parts

$6.771

10k+ parts

-

1,473

$7.524

-

$6.771

-

Corohmni

South Africa . 95 parts In-Stock

1+ parts

$10.146

100+ parts

-

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95

$10.146

-

-

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Aztec Data Supply Inc.

USA . 1,029 parts In-Stock

1+ parts

$13.580

100+ parts

-

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-

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1,029

$13.580

-

-

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MKK Technologies

India . 2 parts In-Stock

1+ parts

$14.148

100+ parts

-

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2

$14.148

-

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DigiPath Technology Company

USA . 2 parts In-Stock

1+ parts

$14.148

100+ parts

-

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-

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2

$14.148

-

-

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Advanced Electronics

New Zealand . 74 parts In-Stock

1+ parts

$15.314

100+ parts

$13.936

1k+ parts

$12.557

10k+ parts

-

74

$15.314

$13.936

$12.557

-

Microchip USA

USA . 2,647 parts In-Stock

1+ parts

$31.070

100+ parts

-

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2,647

$31.070

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Authorized Procurement Solutions

USA . 60,000 parts In-Stock

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60,000

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Perfect Parts

USA . 40,538 parts In-Stock

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40,538

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QUARKTWIN TECHNOLOGY LTD

USA . 29,300 parts In-Stock

1+ parts

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Kepictronics

USA . 12,965 parts In-Stock

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12,965

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Metaverse IC Inc.

Canada . 8,500 parts In-Stock

1+ parts

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8,500

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Futuretech Components

Singapore . 3,000 parts In-Stock

1+ parts

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3,000

-

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A-Z Elektronik GmbH

Germany . 3,000 parts In-Stock

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3,000

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Epart123

USA . 2,708 parts In-Stock

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Lixinc

USA . 2,510 parts In-Stock

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Alle Elektronik GmbH

Germany . 2,000 parts In-Stock

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2,000

-

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Assy Fe

Spain . 1,111 parts In-Stock

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Parana Technologies

USA . 1,101 parts In-Stock

1+ parts

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100+ parts

$8.996

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1,101

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$8.996

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Cyclops Electronics Ltd (Excess)

UK . 397 parts In-Stock

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397

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iodParts Technologies Inc.

India . 200 parts In-Stock

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200

-

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Netroflash

USA . 50 parts In-Stock

1+ parts

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100+ parts

$2.583

1k+ parts

$2.504

10k+ parts

$2.451

50

-

$2.583

$2.504

$2.451

GreenTree Electronics

Israel . 40 parts In-Stock

1+ parts

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40

-

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Glotronic Ltd.

UK . 30 parts In-Stock

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30

-

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Computer Components Inc. - USA

USA . 19 parts In-Stock

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19

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Overview

Unlock the power of efficient energy management with the L4981AD by STMicroelectronics. Crafted with precision and reliability, this switching regulator boasts a compact design and advanced technology for seamless integration into various applications. From automotive to industrial settings, this power factor controller offers unparalleled performance and value. Experience optimal power control and enhanced productivity with the L4981AD, setting new standards in the industry. Discover the difference with STMicroelectronics.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material makes the product lightweight and durable, making it suitable for various applications.

Surface Mount: YES

Being surface mountable allows for easy and efficient assembly onto circuit boards, saving time and effort during manufacturing.

Control Mode: CURRENT-MODE

Current-mode control provides better stability and response in regulating the output current, ensuring reliable performance under different load conditions.

Nominal Input Voltage: 18 V

The specified nominal input voltage of 18V ensures compatibility with a wide range of power sources, making it versatile for various applications.

Maximum Output Current: 2 A

With a maximum output current of 2A, this product can efficiently deliver power to connected devices without overheating or voltage drops.

Control Technique: PULSE WIDTH MODULATION

Pulse width modulation control technique allows for precise control over the output voltage, enabling stable and efficient power delivery.

Technical Specifications

Switching Regulators & Controllers L4981AD attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

CURRENT-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

19.5 V

Minimum Input Voltage:

11 V

Nominal Input Voltage:

18 V

JESD-30 Code:

R-PDSO-G20

JESD-609 Code:

e4

Length:

12.8 mm

Moisture Sensitivity Level (MSL):

3

No. of Functions:

1

No. of Terminals:

20

Maximum Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

Maximum Output Current:

2 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP20,.4

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Peak Reflow Temperature (C):

260

Qualification:

Not Qualified

Maximum Seated Height:

2.65 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

SINGLE

Maximum Switching Frequency:

115 kHz

Technology:

BCDMOS

Temperature Grade:

Terminal Finish:

Nickel/Palladium/Gold (Ni/Pd/Au)

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

7.5 mm

Trade Compliance

L4981AD Other Function Semiconductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

PCN

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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