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L4981BD

STMicroelectronics

L4981BD by STMicroelectronics

L4981BD 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

$3.400

Lifecycle Status

Suppliers In-Stock

26

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 530 parts In-Stock

1+ parts

$2.305

100+ parts

$1.748

1k+ parts

$1.629

10k+ parts

$1.614

530

$2.305

$1.748

$1.629

$1.614

Farnell

UK . 1,982 parts In-Stock

1+ parts

$2.860

100+ parts

$1.750

1k+ parts

$1.610

10k+ parts

-

1,982

$2.860

$1.750

$1.610

-

Newark

USA . 1,961 parts In-Stock

1+ parts

$3.400

100+ parts

$2.170

1k+ parts

$1.940

10k+ parts

-

1,961

$3.400

$2.170

$1.940

-

DigiKey

USA . 591 parts In-Stock

1+ parts

$3.400

100+ parts

$2.255

1k+ parts

$1.878

10k+ parts

$1.785

591

$3.400

$2.255

$1.878

$1.785

Mouser Electronics

USA . 764 parts In-Stock

1+ parts

$3.730

100+ parts

$2.280

1k+ parts

$2.000

10k+ parts

$1.940

764

$3.730

$2.280

$2.000

$1.940

Chip1Stop

Japan . 125 parts In-Stock

1+ parts

$4.240

100+ parts

$1.770

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-

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125

$4.240

$1.770

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Element14

Singapore . 1,982 parts In-Stock

1+ parts

$4.690

100+ parts

$2.890

1k+ parts

$2.570

10k+ parts

-

1,982

$4.690

$2.890

$2.570

-

Avnet

USA . 2,840 parts In-Stock

1+ parts

-

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2,840

-

-

-

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Verical

USA . 530 parts In-Stock

1+ parts

-

100+ parts

$1.738

1k+ parts

$1.620

10k+ parts

$1.605

530

-

$1.738

$1.620

$1.605

EBV Elektronik

Germany . 120 parts In-Stock

1+ parts

-

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-

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120

-

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Distributors (In-Stock)

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Nova Conductors

Japan . 500 parts In-Stock

1+ parts

$1.912

100+ parts

-

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-

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500

$1.912

-

-

-

Digiode

USA . 1,655 parts In-Stock

1+ parts

$2.527

100+ parts

-

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-

10k+ parts

-

1,655

$2.527

-

-

-

TME

Poland . 155 parts In-Stock

1+ parts

$3.140

100+ parts

$2.180

1k+ parts

-

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155

$3.140

$2.180

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-

Chip Stock

USA . 3,870 parts In-Stock

1+ parts

-

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3,870

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Anansix

USA . 2,190 parts In-Stock

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-

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2,190

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-

-

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IBS Electronics

USA . 1,640 parts In-Stock

1+ parts

-

100+ parts

$2.258

1k+ parts

$2.230

10k+ parts

-

1,640

-

$2.258

$2.230

-

Vyrian

USA . 1,386 parts In-Stock

1+ parts

-

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1,386

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-

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Bristol Electronics

USA . 1,000 parts In-Stock

1+ parts

-

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1,000

-

-

-

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LIBRA Elektronik GmbH

Germany . 280 parts In-Stock

1+ parts

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280

-

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Avant Electronics Limited

UK . 134 parts In-Stock

1+ parts

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134

-

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ComSIT Distribution GmbH

Germany . 90 parts In-Stock

1+ parts

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90

-

-

-

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Component Sense

UK . 48 parts In-Stock

1+ parts

-

100+ parts

$4.160

1k+ parts

$4.160

10k+ parts

$4.160

48

-

$4.160

$4.160

$4.160

ABC Electronics Ltd.

UK . 20 parts In-Stock

1+ parts

-

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-

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20

-

-

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Electronic Expediters

USA . 10 parts In-Stock

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10

-

-

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Huijzer Components

Netherlands . 6 parts In-Stock

1+ parts

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6

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LWI Electronics Inc

India . 5 parts In-Stock

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5

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-

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 1,404 parts In-Stock

1+ parts

$1.110

100+ parts

-

1k+ parts

-

10k+ parts

-

1,404

$1.110

-

-

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Aranea Global

USA . 2,000 parts In-Stock

1+ parts

$1.874

100+ parts

-

1k+ parts

$1.799

10k+ parts

-

2,000

$1.874

-

$1.799

-

Corphita

USA . 1,407 parts In-Stock

1+ parts

$2.394

100+ parts

-

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1,407

$2.394

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Vigor

Singapore . 802 parts In-Stock

1+ parts

$2.810

100+ parts

-

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-

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802

$2.810

-

-

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Component Stockers USA

USA . 484 parts In-Stock

1+ parts

$2.810

100+ parts

$2.200

1k+ parts

-

10k+ parts

-

484

$2.810

$2.200

-

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IDEA Electronic Components Group

UK . 1,644 parts In-Stock

1+ parts

$5.767

100+ parts

-

1k+ parts

$5.190

10k+ parts

-

1,644

$5.767

-

$5.190

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MKK Technologies

India . 2,289 parts In-Stock

1+ parts

$10.844

100+ parts

-

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-

10k+ parts

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2,289

$10.844

-

-

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DigiPath Technology Company

USA . 2,289 parts In-Stock

1+ parts

$10.844

100+ parts

-

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-

10k+ parts

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2,289

$10.844

-

-

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Microchip USA

USA . 2,683 parts In-Stock

1+ parts

$21.840

100+ parts

-

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10k+ parts

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2,683

$21.840

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A-Z Elektronik GmbH

Germany . 7,197 parts In-Stock

1+ parts

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7,197

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Perfect Parts

USA . 5,868 parts In-Stock

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5,868

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Alle Elektronik GmbH

Germany . 4,798 parts In-Stock

1+ parts

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4,798

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-

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Lixinc

USA . 4,338 parts In-Stock

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4,338

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Infinite Electronics LLP (Excess)

. 1,816 parts In-Stock

1+ parts

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1,816

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-

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Eastek

USA . 680 parts In-Stock

1+ parts

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680

-

-

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Glotronic Ltd.

UK . 636 parts In-Stock

1+ parts

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-

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636

-

-

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Parana Technologies

USA . 140 parts In-Stock

1+ parts

-

100+ parts

$6.895

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-

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140

-

$6.895

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-

Authorized Procurement Solutions

USA . 120 parts In-Stock

1+ parts

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120

-

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Kepictronics

USA . 60 parts In-Stock

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60

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GreenTree Electronics

Israel . 50 parts In-Stock

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50

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Assy Fe

Spain . 42 parts In-Stock

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42

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Overview

Experience the unparalleled quality and reliability of STMicroelectronics with the L4981BD Switching Regulator & Controller. This versatile component offers a wide range of applications in automotive and industrial settings, providing efficient power management and control. With its cutting-edge technology and innovative design, this product ensures optimal performance and durability. Trust STMicroelectronics to deliver superior solutions that meet your needs and exceed your expectations.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Plastic/Epoxy is a lightweight and durable material, making the product suitable for various applications while ensuring long-lasting performance.

Surface Mount: YES

Surface mount technology allows for efficient and space-saving PCB assembly, ideal for compact designs and mass production.

Control Mode: CURRENT-MODE

Current-mode control offers improved stability and response in regulating the output, leading to better overall performance and reliability.

Nominal Input Voltage: 18 V

With a wide nominal input voltage range of 18 V, this switching regulator is versatile and compatible with different power sources.

Maximum Output Current: 2 A

Capable of delivering a maximum output current of 2 A, this regulator can power a variety of loads efficiently and reliably.

Temperature Grade: AUTOMOTIVE

Designed for automotive applications, this regulator meets the stringent temperature and performance requirements of the automotive industry, ensuring reliable operation in harsh environments.

Technical Specifications

Switching Regulators & Controllers L4981BD 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

L4981BD 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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