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B5973D

STMicroelectronics

B5973D by STMicroelectronics

B5973D by STMicroelectronics is a low-profile buck switching regulator designed for automotive applications. It operates b/w -40 °C to 125°C, supports input voltages from 4V to 36V, and delivers up to 3.5A output current. Its compact size (4.9mm x 3.9mm) makes it ideal for space-constrained designs.

Median Price

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Lifecycle Status

Suppliers In-Stock

4

In-Stock Inventory

1k+

Distributors (In-Stock)

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Vyrian

USA . 7,538 parts In-Stock

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Digiode

USA . 1,113 parts In-Stock

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Anansix

USA . 423 parts In-Stock

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423

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ComSIT Distribution GmbH

Germany . 50 parts In-Stock

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50

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Distributors (Availability)

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Microchip USA

USA . 463 parts In-Stock

1+ parts

$3.778

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463

$3.778

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Corohmni

South Africa . 1 parts In-Stock

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$12.346

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1

$12.346

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Advanced Electronics

New Zealand . 20 parts In-Stock

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$13.256

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$12.063

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$10.870

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20

$13.256

$12.063

$10.870

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IDEA Electronic Components Group

UK . 255 parts In-Stock

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$13.539

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$12.185

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255

$13.539

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$12.185

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AZTECH Wire

Italy . 575 parts In-Stock

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$21.300

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$21.300

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MKK Technologies

India . 1,945 parts In-Stock

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$25.459

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$25.459

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DigiPath Technology Company

USA . 1,945 parts In-Stock

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$25.459

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$25.459

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Authorized Procurement Solutions

USA . 3,500 parts In-Stock

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Corphita

USA . 3,473 parts In-Stock

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A-Z Elektronik GmbH

Germany . 1,920 parts In-Stock

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Alle Elektronik GmbH

Germany . 1,280 parts In-Stock

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Northwest PG Solutions

USA . 810 parts In-Stock

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Parana Technologies

USA . 695 parts In-Stock

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$16.188

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695

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$16.188

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Native Components

USA . 412 parts In-Stock

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Kepictronics

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Overview

Elevate your designs with the B5973D from STMicroelectronics, a top-tier switching regulator that guarantees efficiency and reliability across automotive applications. With its robust temperature range and compact footprint, this device excels in demanding environments while ensuring optimal performance. Trust in STMicroelectronics' legacy of innovation to deliver unparalleled quality and precision, making the B5973D the perfect choice for powering your next project with confidence.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy provides durability and protection against environmental factors, making it suitable for various applications.

Surface Mount: YES

Surface mount technology allows for a compact design, enabling higher density on PCBs, which is ideal for space-constrained applications.

Package Shape: RECTANGULAR

The rectangular shape is efficient for layout and design on circuit boards, facilitating better space utilization.

No. of Terminals: 8

Having 8 terminals allows for a variety of input and output configurations, providing flexibility in circuit design.

Package Style (Meter): SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

The low-profile design with heat sink capability enhances thermal management, allowing it to operate reliably in high-performance applications.

Maximum Operating Temperature: 125 °C

With a high maximum operating temperature, this regulator is suitable for use in demanding environments, including automotive applications.

Control Mode: VOLTAGE-MODE

Voltage-mode control improves transient response and stability, ideal for applications requiring precise voltage regulation.

Minimum Operating Temperature: -40 °C

The ability to operate at low temperatures makes this product suitable for harsh environmental conditions.

Terminal Finish: MATTE TIN

Matte tin finish improves solderability and enhances the reliability of connections during manufacturing.

Terminal Position: DUAL

Dual terminal positioning facilitates easier integration into circuit designs, enhancing layout flexibility.

Maximum Seated Height: 1.7 mm

The low seated height allows for compact designs, making it suitable for small form factor devices.

Width: 3.9 mm

A narrow width contributes to space-saving designs on PCBs, allowing more components to fit in limited spaces.

Other IC type: SWITCHING REGULATOR

Being a switching regulator allows for higher efficiency and reduced heat generation compared to linear regulators.

Nominal Input Voltage: 12 V

Designed for a nominal input of 12V, it meets standard power supply requirements in automotive and industrial applications.

Peak Reflow Temperature: 225 °C

The high peak reflow temperature indicates compatibility with standard soldering processes, ensuring easy assembly.

Length: 4.9 mm

A short length further aids in compact design, perfect for space-constrained electronics.

Temperature Grade: AUTOMOTIVE

Automotive grade ensures reliability and stability in automotive applications, even under extreme conditions.

Maximum Switching Frequency: 280 kHz

A high maximum switching frequency allows for smaller external components and enhances overall circuit efficiency.

Maximum Output Current: 3.5 A

With a maximum output current capability of 3.5 A, this regulator can support a wide range of applications, including power-hungry devices.

Terminal Form: GULL WING

Gull wing terminals offer easy handling and PCB mounting, improving assembly efficiency.

Terminal Pitch: 1.27 mm

A terminal pitch of 1.27 mm is standard for compact designs, allowing for efficient use of space on PCBs.

Moisture Sensitivity Level (MSL): 3

With a MSL of level 3, this product is suitable for reflow soldering processes, ensuring durability in moist environments.

Minimum Input Voltage: 4 V

The ability to operate with a minimum input voltage of 4 V expands its use in low voltage applications.

Maximum Input Voltage: 36 V

A maximum input voltage of 36 V allows for versatility in various applications, accommodating a range of power supply scenarios.

Technical Specifications

Switching Regulators & Controllers B5973D attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

VOLTAGE-MODE

Maximum Input Voltage:

36 V

Minimum Input Voltage:

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 Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

Maximum Output Current:

3.5 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SOP8,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

Peak Reflow Temperature (C):

225

Qualification:

Not Qualified

Maximum Seated Height:

1.7 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

BUCK

Maximum Switching Frequency:

280 kHz

Temperature Grade:

Terminal Finish:

MATTE TIN

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Width (mm):

3.9 mm

Trade Compliance

B5973D 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

Category top products 20

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