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AST1S31PUR

STMicroelectronics

AST1S31PUR by STMicroelectronics

AST1S31PUR by STMicroelectronics is a compact switching regulator designed for automotive applications, featuring a max output current of 6A and a wide temp range from -40 °C to 125 °C. It operates at a high switching frequency of 1900 kHz using PWM control. Its small outline design ensures efficient space utilization in modern electronics.

Median Price

$1.815

Lifecycle Status

Suppliers In-Stock

9

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 3,000 parts In-Stock

1+ parts

$1.284

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

$1.284

-

-

-

Future Electronics

Canada . 500 parts In-Stock

1+ parts

$1.630

100+ parts

$1.550

1k+ parts

$1.520

10k+ parts

$1.480

500

$1.630

$1.550

$1.520

$1.480

Chip1Stop

Japan . 3,000 parts In-Stock

1+ parts

$2.640

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

$2.640

-

-

-

Verical

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Rochester

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

$2.000

1k+ parts

$1.790

10k+ parts

$1.680

3,000

-

$2.000

$1.790

$1.680

Distributors (In-Stock)

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

Digiode

USA . 3,210 parts In-Stock

1+ parts

$1.515

100+ parts

-

1k+ parts

-

10k+ parts

-

3,210

$1.515

-

-

-

IBS Electronics

USA . 500 parts In-Stock

1+ parts

$2.405

100+ parts

$2.288

1k+ parts

$2.249

10k+ parts

$2.197

500

$2.405

$2.288

$2.249

$2.197

Vyrian

USA . 5,453 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,453

-

-

-

-

Anansix

USA . 1,759 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,759

-

-

-

-

Distributors (Availability)

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

Corphita

USA . 225 parts In-Stock

1+ parts

$1.436

100+ parts

-

1k+ parts

-

10k+ parts

-

225

$1.436

-

-

-

Component Stockers USA

USA . 4,032 parts In-Stock

1+ parts

$1.870

100+ parts

$1.850

1k+ parts

$1.830

10k+ parts

-

4,032

$1.870

$1.850

$1.830

-

IDEA Electronic Components Group

UK . 2,144 parts In-Stock

1+ parts

$3.544

100+ parts

-

1k+ parts

$3.189

10k+ parts

-

2,144

$3.544

-

$3.189

-

MKK Technologies

India . 1,968 parts In-Stock

1+ parts

$6.664

100+ parts

-

1k+ parts

-

10k+ parts

-

1,968

$6.664

-

-

-

DigiPath Technology Company

USA . 1,968 parts In-Stock

1+ parts

$6.664

100+ parts

-

1k+ parts

-

10k+ parts

-

1,968

$6.664

-

-

-

Microchip USA

USA . 4,244 parts In-Stock

1+ parts

$14.320

100+ parts

-

1k+ parts

-

10k+ parts

-

4,244

$14.320

-

-

-

A-Z Elektronik GmbH

Germany . 7,296 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

7,296

-

-

-

-

Authorized Procurement Solutions

USA . 4,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,000

-

-

-

-

Northwest PG Solutions

USA . 1,368 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,368

-

-

-

-

Native Components

USA . 756 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

756

-

-

-

-

Parana Technologies

USA . 77 parts In-Stock

1+ parts

-

100+ parts

$4.237

1k+ parts

-

10k+ parts

-

77

-

$4.237

-

-

Overview

Experience the power of efficiency with the AST1S31PUR from STMicroelectronics, a leader in innovative semiconductor solutions. This compact switching regulator delivers unmatched performance and reliability, making it perfect for automotive applications where precision is paramount. With its robust design, low-profile packaging, and exceptional thermal management, enjoy improved system performance while reducing energy costs and space requirements. Elevate your designs with STMicroelectronics and unlock new possibilities today!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The plastic/epoxy material provides durability and thermal efficiency, making it suitable for various applications.

Surface Mount: YES

Surface mount capability allows for easier installation and saves space on the PCB.

Package Shape: SQUARE

A square package shape optimizes space utilization and simplifies layout design on printed circuit boards.

No. of Terminals: 8

Eight terminals provide versatile connection options for more complex circuit designs.

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

This compact profile helps to reduce overall system size while providing effective heat dissipation.

Maximum Operating Temperature: 125 °C

A high maximum operating temperature ensures reliable performance even in harsh environments.

Control Mode: CURRENT-MODE

Current-mode control enhances stability and transient response, which is critical for power efficiency.

Minimum Operating Temperature: -40 °C

The wide operating temperature range makes this product suitable for extreme environments.

Terminal Finish: MATTE TIN

Matte tin terminal finish improves solderability and reduces the risk of oxidation.

Terminal Position: DUAL

Dual terminal positions enhance flexibility in circuit design and layout options.

Maximum Seated Height: 1 mm

A low seated height allows for a compact design, fitting into tight spaces within the application.

Width: 3 mm

A slim width contributes to overall space efficiency in electronic designs.

Other IC Type: SWITCHING REGULATOR

As a switching regulator, it provides high efficiency and thermal performance, ideal for modern applications.

Nominal Input Voltage: 4 V

A nominal input voltage of 4 V aligns with common voltage standards, enhancing compatibility with various systems.

Peak Reflow Temperature: 250

Supporting a high peak reflow temperature ensures compatibility with standard soldering processes.

Length: 3 mm

The compact length allows for more flexible layout options in dense circuit designs.

Temperature Grade: AUTOMOTIVE

Automotive temperature grade guarantees reliability and stability in automotive applications.

Maximum Switching Frequency: 1900 kHz

A high switching frequency enables faster response times, improving overall power efficiency and performance.

Maximum Output Current: 6 A

With a maximum output current of 6 A, this product accommodates a wide range of power requirements.

Terminal Form: NO LEAD

No lead design helps to reduce the environmental impact and allows for a smaller footprint.

Control Technique: PULSE WIDTH MODULATION

PWM control enhances efficiency and regulation, making it an excellent choice for power management.

Switcher Config: BUCK

Buck configuration allows for efficient step-down voltage regulation, essential for power supply designs.

Terminal Pitch: 0.65 mm

A terminal pitch of 0.65 mm optimizes the space between connections, accommodating high-density PCB designs.

Moisture Sensitivity Level (MSL): 3

With an MSL of 3, this product is suitable for standard surface mount processes while requiring reasonable moisture precautions.

Minimum Input Voltage: 2.8 V

Accepting a minimum input voltage of 2.8 V increases flexibility and compatibility with varying power sources.

Maximum Input Voltage: 4 V

A maximum input voltage of 4 V ensures operation within safe parameters for sensitive components.

Technical Specifications

Switching Regulators & Controllers AST1S31PUR attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Additional Features:

ADJUSTABLE OUTPUT VOLTAGE RANGE FROM 0.8 VOLT TO 4 VOLT

Other IC type:

Control Mode:

CURRENT-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

4 V

Minimum Input Voltage:

2.8 V

Nominal Input Voltage:

4 V

JESD-30 Code:

S-PDSO-N8

JESD-609 Code:

e3

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:

6 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Shape:

Package Style (Meter):

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

Peak Reflow Temperature (C):

250

Maximum Seated Height:

1 mm

Surface Mount:

YES

Switcher Config:

BUCK

Maximum Switching Frequency:

1900 kHz

Temperature Grade:

Terminal Finish:

MATTE TIN

Terminal Form:

NO LEAD

Terminal Pitch:

.65 mm

Terminal Position:

DUAL

Width (mm):

3 mm

Trade Compliance

AST1S31PUR 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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