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L7981TR

STMicroelectronics

L7981TR by STMicroelectronics

L7981TR by STMicroelectronics is a voltage-mode switching regulator with a max output current of 3A and a max input voltage of 28V. It operates in automotive-grade temperatures (-40 to 125°C) and uses pulse width modulation control technique. Ideal for applications requiring small outline, surface-mount regulators with buck switcher configuration.

Median Price

$1.598

Lifecycle Status

Suppliers In-Stock

12

In-Stock Inventory

1k+

Distributors (Authorized)

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

Newark

USA . 5,779 parts In-Stock

1+ parts

$2.140

100+ parts

-

1k+ parts

-

10k+ parts

-

5,779

$2.140

-

-

-

Farnell

UK . 8,780 parts In-Stock

1+ parts

$2.674

100+ parts

$1.710

1k+ parts

$1.156

10k+ parts

$1.073

8,780

$2.674

$1.710

$1.156

$1.073

Element14

Singapore . 8,780 parts In-Stock

1+ parts

-

100+ parts

$1.876

1k+ parts

$1.209

10k+ parts

$1.172

8,780

-

$1.876

$1.209

$1.172

Avnet

USA . 8,000 parts In-Stock

1+ parts

-

100+ parts

-

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8,000

-

-

-

-

Arrow

USA . 4,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$1.153

4,000

-

-

-

$1.153

Verical

USA . 4,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$1.157

4,000

-

-

-

$1.157

DigiKey

USA . 3,884 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$1.320

3,884

-

-

-

$1.320

Distributors (In-Stock)

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

Nova Conductors

Japan . 100 parts In-Stock

1+ parts

$1.316

100+ parts

-

1k+ parts

-

10k+ parts

-

100

$1.316

-

-

-

Digiode

USA . 181 parts In-Stock

1+ parts

$1.890

100+ parts

-

1k+ parts

-

10k+ parts

-

181

$1.890

-

-

-

Chip Stock

USA . 11,499 parts In-Stock

1+ parts

-

100+ parts

-

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11,499

-

-

-

-

Vyrian

USA . 4,914 parts In-Stock

1+ parts

-

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-

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4,914

-

-

-

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Anansix

USA . 794 parts In-Stock

1+ parts

-

100+ parts

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794

-

-

-

-

Distributors (Availability)

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

Semicontronic

India . 5,158 parts In-Stock

1+ parts

$1.280

100+ parts

$1.248

1k+ parts

$1.242

10k+ parts

-

5,158

$1.280

$1.248

$1.242

-

Ampacity Inc.

Singapore . 5,056 parts In-Stock

1+ parts

$1.280

100+ parts

-

1k+ parts

-

10k+ parts

-

5,056

$1.280

-

-

-

Argo Parts USA

USA . 4,526 parts In-Stock

1+ parts

$1.316

100+ parts

-

1k+ parts

-

10k+ parts

-

4,526

$1.316

-

-

-

Netroflash

USA . 500 parts In-Stock

1+ parts

$1.316

100+ parts

-

1k+ parts

$1.251

10k+ parts

$1.224

500

$1.316

-

$1.251

$1.224

Corphita

USA . 488 parts In-Stock

1+ parts

$1.791

100+ parts

-

1k+ parts

-

10k+ parts

-

488

$1.791

-

-

-

Vigor

Singapore . 3,058 parts In-Stock

1+ parts

$1.890

100+ parts

-

1k+ parts

-

10k+ parts

-

3,058

$1.890

-

-

-

Continental Prestige Electronics

USA . 3,725 parts In-Stock

1+ parts

$2.380

100+ parts

$1.430

1k+ parts

$1.030

10k+ parts

-

3,725

$2.380

$1.430

$1.030

-

Aztec Data Supply Inc.

USA . 2,852 parts In-Stock

1+ parts

$3.271

100+ parts

-

1k+ parts

-

10k+ parts

-

2,852

$3.271

-

-

-

Microchip USA

USA . 5,736 parts In-Stock

1+ parts

$7.482

100+ parts

-

1k+ parts

-

10k+ parts

-

5,736

$7.482

-

-

-

Corohmni

South Africa . 733 parts In-Stock

1+ parts

$17.756

100+ parts

-

1k+ parts

-

10k+ parts

-

733

$17.756

-

-

-

Advanced Electronics

New Zealand . 1,000 parts In-Stock

1+ parts

$18.472

100+ parts

$17.548

1k+ parts

$17.548

10k+ parts

-

1,000

$18.472

$17.548

$17.548

-

IDEA Electronic Components Group

UK . 2,177 parts In-Stock

1+ parts

$21.308

100+ parts

-

1k+ parts

$19.177

10k+ parts

-

2,177

$21.308

-

$19.177

-

MKK Technologies

India . 865 parts In-Stock

1+ parts

$40.069

100+ parts

-

1k+ parts

-

10k+ parts

-

865

$40.069

-

-

-

DigiPath Technology Company

USA . 865 parts In-Stock

1+ parts

$40.069

100+ parts

-

1k+ parts

-

10k+ parts

-

865

$40.069

-

-

-

Lixinc

USA . 13,279 parts In-Stock

1+ parts

-

100+ parts

-

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13,279

-

-

-

-

A-Z Elektronik GmbH

Germany . 5,070 parts In-Stock

1+ parts

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5,070

-

-

-

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Authorized Procurement Solutions

USA . 5,000 parts In-Stock

1+ parts

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100+ parts

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5,000

-

-

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Futuretech Components

Singapore . 4,000 parts In-Stock

1+ parts

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4,000

-

-

-

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Alle Elektronik GmbH

Germany . 3,380 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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3,380

-

-

-

-

Robosynatics

Brazil . 3,000 parts In-Stock

1+ parts

-

100+ parts

$3.426

1k+ parts

$3.426

10k+ parts

$3.426

3,000

-

$3.426

$3.426

$3.426

Lucentia Tech

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

$3.426

1k+ parts

$3.426

10k+ parts

$3.426

3,000

-

$3.426

$3.426

$3.426

Perfect Parts

USA . 1,131 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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1,131

-

-

-

-

Parana Technologies

USA . 973 parts In-Stock

1+ parts

-

100+ parts

$25.477

1k+ parts

-

10k+ parts

-

973

-

$25.477

-

-

RC Electronics

USA . 900 parts In-Stock

1+ parts

-

100+ parts

$1.340

1k+ parts

$1.230

10k+ parts

$1.190

900

-

$1.340

$1.230

$1.190

Overview

Enhance your electronic designs with the advanced L7981TR from STMicroelectronics. With a focus on quality and innovation, STMicroelectronics is a leading manufacturer in the industry. This switching regulator offers reliability, efficiency, and precise control, making it ideal for a wide range of applications. From automotive to industrial use, the L7981TR provides customers with the value and performance they need to succeed. Experience the benefits of this high-quality product and take your projects to the next level with STMicroelectronics.

Feature Benefit Bullets

Surface Mount: YES

Allows for easy and reliable mounting onto PCBs, making it suitable for mass production in electronic devices.

Package Shape: SQUARE

Square shape provides a compact footprint, saving space on the PCB and making it ideal for applications with limited board space.

No. of Terminals: 8

Sufficient number of terminals for connecting various components, enabling flexible design options and functionality.

Maximum Operating Temperature: 125 °C

High operating temperature range ensures reliability and stability under harsh environmental conditions.

Control Mode: VOLTAGE-MODE

Voltage-mode control offers precise regulation of output voltage, ensuring accurate and consistent performance.

Minimum Operating Temperature: -40 °C

Wide temperature range allows for operation in cold environments, making it suitable for automotive and industrial applications.

Maximum Output Current: 3 A

Capable of delivering a high output current, making it suitable for powering various electronic components and devices.

Nominal Input Voltage: 12 V

Designed to work with a common input voltage, making it versatile and compatible with many power sources.

Technical Specifications

Switching Regulators & Controllers L7981TR attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Additional Features:

ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 V

Other IC type:

Control Mode:

VOLTAGE-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

28 V

Minimum Input Voltage:

4.5 V

Nominal Input Voltage:

12 V

JESD-30 Code:

S-XDSO-N8

JESD-609 Code:

e4

Length:

3 mm

Moisture Sensitivity Level (MSL):

3

No. of Functions:

1

No. of Terminals:

8

Maximum Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

Maximum Output Current:

3 A

Package Body Material:

UNSPECIFIED

Package Code:

Package Equivalence Code:

SOLCC8,.12,20

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Peak Reflow Temperature (C):

260

Qualification:

Not Qualified

Maximum Seated Height:

1 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

BUCK

Maximum Switching Frequency:

275 kHz

Temperature Grade:

Terminal Finish:

NICKEL PALLADIUM GOLD

Terminal Form:

NO LEAD

Terminal Pitch:

.5 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

3 mm

Trade Compliance

L7981TR 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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