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L5973AD

STMicroelectronics

L5973AD by STMicroelectronics

L5973AD by STMicroelectronics is a voltage-mode switching regulator with 2.3A output current, suitable for buck configuration applications. It operates within a wide input voltage range of 4.4V to 36V and features pulse width modulation control technique. This small outline IC in gull wing terminal form is ideal for compact electronic devices requiring efficient power management.

Median Price

$2.500

Lifecycle Status

Suppliers In-Stock

30

In-Stock Inventory

1k+

Distributors (Authorized)

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

Chip1Stop

Japan . 1,879 parts In-Stock

1+ parts

$1.730

100+ parts

-

1k+ parts

-

10k+ parts

-

1,879

$1.730

-

-

-

Newark

USA . 15,844 parts In-Stock

1+ parts

$2.760

100+ parts

$1.680

1k+ parts

$1.550

10k+ parts

-

15,844

$2.760

$1.680

$1.550

-

DigiKey

USA . 2,452 parts In-Stock

1+ parts

$2.760

100+ parts

$1.691

1k+ parts

$1.498

10k+ parts

$1.420

2,452

$2.760

$1.691

$1.498

$1.420

Arrow

USA . 1,919 parts In-Stock

1+ parts

$2.904

100+ parts

$1.768

1k+ parts

$1.568

10k+ parts

$1.550

1,919

$2.904

$1.768

$1.568

$1.550

Mouser Electronics

USA . 8,000 parts In-Stock

1+ parts

$3.070

100+ parts

$1.880

1k+ parts

$1.650

10k+ parts

$1.570

8,000

$3.070

$1.880

$1.650

$1.570

Farnell

UK . 20,140 parts In-Stock

1+ parts

-

100+ parts

$1.560

1k+ parts

$1.350

10k+ parts

-

20,140

-

$1.560

$1.350

-

Element14

Singapore . 20,140 parts In-Stock

1+ parts

-

100+ parts

$2.500

1k+ parts

$2.110

10k+ parts

-

20,140

-

$2.500

$2.110

-

Avnet

USA . 4,700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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4,700

-

-

-

-

Verical

USA . 4,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$1.022

4,000

-

-

-

$1.022

Future Electronics

Canada . 700 parts In-Stock

1+ parts

-

100+ parts

$1.300

1k+ parts

$1.270

10k+ parts

$1.240

700

-

$1.300

$1.270

$1.240

Distributors (In-Stock)

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

Vyrian

USA . 2,827 parts In-Stock

1+ parts

$0.945

100+ parts

-

1k+ parts

-

10k+ parts

-

2,827

$0.945

-

-

-

Digiode

USA . 3,996 parts In-Stock

1+ parts

$1.206

100+ parts

-

1k+ parts

-

10k+ parts

-

3,996

$1.206

-

-

-

Greenchips

USA . 5,900 parts In-Stock

1+ parts

$1.240

100+ parts

$1.181

1k+ parts

$1.125

10k+ parts

$1.015

5,900

$1.240

$1.181

$1.125

$1.015

Nova Conductors

Japan . 31 parts In-Stock

1+ parts

$2.040

100+ parts

-

1k+ parts

-

10k+ parts

-

31

$2.040

-

-

-

TME

Poland . 567 parts In-Stock

1+ parts

$2.560

100+ parts

-

1k+ parts

-

10k+ parts

-

567

$2.560

-

-

-

Chip Stock

USA . 22,152 parts In-Stock

1+ parts

-

100+ parts

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22,152

-

-

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SIE Connect GmbH - GreenChips

Germany . 17,289 parts In-Stock

1+ parts

-

100+ parts

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-

10k+ parts

-

17,289

-

-

-

-

IBS Electronics

USA . 10,400 parts In-Stock

1+ parts

-

100+ parts

$1.767

1k+ parts

$1.669

10k+ parts

-

10,400

-

$1.767

$1.669

-

Anansix

USA . 1,199 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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1,199

-

-

-

-

Avant Electronics Limited

UK . 700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

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700

-

-

-

-

HZD GmbH

Germany . 643 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

643

-

-

-

-

Martec Srl

Italy . 520 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

520

-

-

-

-

Prism Electronics

USA . 237 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

237

-

-

-

-

Semtec, LLC

USA . 176 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

176

-

-

-

-

EZ Electronic Parts

Israel . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

100

-

-

-

-

Sogenti Electronics

Canada . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

100

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 95 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

95

-

-

-

-

LIBRA Elektronik GmbH

Germany . 41 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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41

-

-

-

-

Bristol Electronics

USA . 25 parts In-Stock

1+ parts

-

100+ parts

-

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25

-

-

-

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Atlantic Semiconductor

USA . 25 parts In-Stock

1+ parts

-

100+ parts

-

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-

10k+ parts

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25

-

-

-

-

Distributors (Availability)

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

Ampacity Inc.

Singapore . 10,597 parts In-Stock

1+ parts

$0.800

100+ parts

-

1k+ parts

-

10k+ parts

-

10,597

$0.800

-

-

-

Semicontronic

India . 10,573 parts In-Stock

1+ parts

$0.800

100+ parts

$0.780

1k+ parts

$0.776

10k+ parts

-

10,573

$0.800

$0.780

$0.776

-

Corphita

USA . 192 parts In-Stock

1+ parts

$1.143

100+ parts

-

1k+ parts

-

10k+ parts

-

192

$1.143

-

-

-

IDEA Electronic Components Group

UK . 567 parts In-Stock

1+ parts

$1.773

100+ parts

-

1k+ parts

$1.596

10k+ parts

-

567

$1.773

-

$1.596

-

Continental Prestige Electronics

USA . 6,119 parts In-Stock

1+ parts

$1.950

100+ parts

$1.380

1k+ parts

$0.999

10k+ parts

-

6,119

$1.950

$1.380

$0.999

-

Argo Parts USA

USA . 3,399 parts In-Stock

1+ parts

$2.040

100+ parts

-

1k+ parts

-

10k+ parts

-

3,399

$2.040

-

-

-

Modulus Dynamics

Lithuania . 5,501 parts In-Stock

1+ parts

$2.040

100+ parts

$2.040

1k+ parts

$2.040

10k+ parts

-

5,501

$2.040

$2.040

$2.040

-

Corohmni

South Africa . 250 parts In-Stock

1+ parts

$2.040

100+ parts

-

1k+ parts

-

10k+ parts

-

250

$2.040

-

-

-

Advanced Electronics

New Zealand . 1,000 parts In-Stock

1+ parts

$2.101

100+ parts

$1.996

1k+ parts

$1.996

10k+ parts

-

1,000

$2.101

$1.996

$1.996

-

Vigor

Singapore . 2,302 parts In-Stock

1+ parts

$2.710

100+ parts

-

1k+ parts

-

10k+ parts

-

2,302

$2.710

-

-

-

MKK Technologies

India . 774 parts In-Stock

1+ parts

$3.334

100+ parts

-

1k+ parts

-

10k+ parts

-

774

$3.334

-

-

-

DigiPath Technology Company

USA . 774 parts In-Stock

1+ parts

$3.334

100+ parts

-

1k+ parts

-

10k+ parts

-

774

$3.334

-

-

-

Aztec Data Supply Inc.

USA . 702 parts In-Stock

1+ parts

$11.770

100+ parts

-

1k+ parts

-

10k+ parts

-

702

$11.770

-

-

-

RC Electronics

USA . 44,884 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

44,884

-

-

-

-

GreenTree Electronics

Israel . 38,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

38,500

-

-

-

-

Kepictronics

USA . 9,200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

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9,200

-

-

-

-

Futuretech Components

Singapore . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

A-Z Elektronik GmbH

Germany . 1,725 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,725

-

-

-

-

Authorized Procurement Solutions

USA . 1,400 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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1,400

-

-

-

-

Alle Elektronik GmbH

Germany . 1,150 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,150

-

-

-

-

Eastek

USA . 1,100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,100

-

-

-

-

Parana Technologies

USA . 1,089 parts In-Stock

1+ parts

-

100+ parts

$2.120

1k+ parts

-

10k+ parts

-

1,089

-

$2.120

-

-

Epart123

USA . 1,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,000

-

-

-

-

Lixinc

USA . 950 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

950

-

-

-

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Infinite Electronics LLP (Excess)

. 649 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

649

-

-

-

-

Cyclops Electronics Ltd (Excess)

UK . 95 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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95

-

-

-

-

Assy Fe

Spain . 3 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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3

-

-

-

-

Overview

Experience the excellence of STMicroelectronics with the L5973AD Switching Regulator & Controller. This versatile product offers high-quality performance in a compact package, perfect for a wide range of applications. With a focus on customer value, this product delivers efficiency, reliability, and ease of use, making it the ideal choice for your power management needs. Trust in STMicroelectronics to provide cutting-edge technology that exceeds expectations.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material makes this product lightweight and durable, ideal for applications requiring portability and longevity.

Surface Mount: YES

With the ability to be surface-mounted, this product is easy to integrate into PCB designs for efficient assembly and space-saving benefits.

Package Shape: RECTANGULAR

The rectangular package shape allows for easy placement and compact design, making it suitable for applications with limited space requirements.

No. of Terminals: 8

The 8 terminals provide versatile connectivity options, allowing for flexibility in circuit design and functionality.

Package Style: SMALL OUTLINE, HEAT SINK/SLUG

The small outline package style with heat sink/slug enables effective heat dissipation, ensuring optimal performance and reliability under high load conditions.

Control Mode: VOLTAGE-MODE

The voltage-mode control mode ensures precise voltage regulation, making this product ideal for applications where stable voltage output is critical.

Terminal Finish: MATTE TIN

The matte tin terminal finish offers excellent solderability and corrosion resistance, enhancing the product's overall reliability and longevity.

Maximum Seated Height: 1.75 mm

The low maximum seated height allows for a slim profile, making this product suitable for compact designs and applications with height restrictions.

Technical Specifications

Switching Regulators & Controllers L5973AD attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

VOLTAGE-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

36 V

Minimum Input Voltage:

4.4 V

Nominal Input Voltage:

12 V

JESD-30 Code:

R-PDSO-G8

JESD-609 Code:

e3

Length:

4.9 mm

Moisture Sensitivity Level (MSL):

3

No. of Functions:

1

No. of Terminals:

8

Maximum Output Current:

2.3 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SOP8,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE, HEAT SINK/SLUG

Peak Reflow Temperature (C):

260

Qualification:

Not Qualified

Maximum Seated Height:

1.75 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

BUCK

Technology:

MOS

Terminal Finish:

MATTE TIN

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

3.9 mm

Trade Compliance

L5973AD Other Function Semiconductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

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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