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L4931ABPT33TR

STMicroelectronics

L4931ABPT33TR by STMicroelectronics

L4931ABPT33TR by STMicroelectronics is a fixed positive LDO regulator with a nominal output of 3.3 V and a max output current of 0.25 A. It operates b/w -40 °C to 125 °C, featuring low dropout voltage (0.4 V) and excellent line regulation (0.015%). Ideal for compact electronic applications requiring stable voltage supply.

Median Price

-

Lifecycle Status

Suppliers In-Stock

3

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Vyrian

USA . 8,437 parts In-Stock

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8,437

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Digiode

USA . 3,075 parts In-Stock

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3,075

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Anansix

USA . 2,851 parts In-Stock

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2,851

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Distributors (Availability)

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

IDEA Electronic Components Group

UK . 288 parts In-Stock

1+ parts

$3.931

100+ parts

-

1k+ parts

$3.538

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-

288

$3.931

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$3.538

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MKK Technologies

India . 1,485 parts In-Stock

1+ parts

$7.392

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1,485

$7.392

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DigiPath Technology Company

USA . 1,485 parts In-Stock

1+ parts

$7.392

100+ parts

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1,485

$7.392

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AZTECH Wire

Italy . 723 parts In-Stock

1+ parts

$11.240

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723

$11.240

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QUARKTWIN TECHNOLOGY LTD

USA . 21,504 parts In-Stock

1+ parts

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21,504

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Microchip USA

USA . 4,221 parts In-Stock

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4,221

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Emar International I/E

Canada . 2,500 parts In-Stock

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2,500

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Parana Technologies

USA . 1,842 parts In-Stock

1+ parts

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$4.700

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1,842

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$4.700

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Vigor

Singapore . 1,393 parts In-Stock

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1,393

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Corphita

USA . 125 parts In-Stock

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125

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Overview

Elevate your designs with the L4931ABPT33TR from STMicroelectronics, a trusted leader in semiconductor innovation. This compact and efficient LDO regulator delivers stable 3.3V output with minimal dropout, ensuring reliable performance across various applications—from consumer electronics to industrial systems. With its robust temperature range and exceptional line/load regulation, you can count on enhanced power management that boosts efficiency while reducing footprint. Choose quality and innovation; choose STMicroelectronics.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy ensures durability and protection from environmental factors, making the product suitable for a variety of applications.

Maximum Dropout Voltage: 1.8 V

A low maximum dropout voltage helps to maintain high efficiency, allowing the regulator to provide stable output even with a limited voltage difference.

Surface Mount: YES

Surface mount technology allows for better space efficiency on PCBs and facilitates automated assembly processes.

Operating Temperature (TJ-Max): 125 °C

A high maximum operating temperature ensures reliable performance in demanding environments.

Technology: BIPOLAR

Bipolar technology provides better noise performance and faster response times compared to other technologies.

Package Shape: RECTANGULAR

The rectangular package shape is commonly used, allowing for easier integration into various designs.

Terminal Form: GULL WING

Gull wing terminals enhance solderability and mechanical performance, ensuring secure connections.

Operating Temperature (TJ-Min): -40 °C

The wide operating temperature range allows for usage in extreme conditions, expanding the applicability of this regulator.

Packing Method: TR

Tape and reel packaging supports automated assembly, streamlining the manufacturing process.

Minimum Output Voltage: 3.234 V

This regulator provides a minimum output voltage that is ideal for many communication and electronic applications.

Maximum Voltage Tolerance: 2 %

A tight voltage tolerance ensures that devices powered by this regulator function safely and accurately.

Nominal Output Voltage: 3.3 V

The standard nominal output voltage is widely used in many electronic circuits, making this regulator very versatile.

No. of Terminals: 4

A 4-terminal design allows for a compact layout while providing flexibility in circuit integration.

Package Style (Meter): SMALL OUTLINE

Small outline packaging saves board space, making it suitable for compact electronic designs.

Adjustability: FIXED

Fixed output voltage removes the need for external adjustments, simplifying design and assembly.

Terminal Pitch: 1.27 mm

The standard terminal pitch allows for compatibility with various circuit boards and simplifies soldering operations.

Maximum Line Regulation: 0.015 %

Excellent line regulation preserves output voltage stability regardless of input voltage changes, improving overall performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

A fixed positive single output design is ideal for powering digital components, ensuring a reliable voltage supply.

Terminal Finish: TIN

Tin finishes enhance corrosion resistance and improve solderability, leading to a better overall product lifespan.

Terminal Position: SINGLE

Single terminal positioning simplifies layout design and aids in efficient PCB routing.

Maximum Output Voltage: 3.366 V

The maximum output voltage allows for sufficient headroom for many applications while still maintaining efficiency.

Maximum Seated Height: 2.63 mm

A low seated height allows for integration into slim designs without sacrificing performance.

Width: 6.1 mm

Compact width helps save space on PCB, ideal for size-constrained applications.

Maximum Load Regulation: 0.015 %

Outstanding load regulation ensures that output voltage remains stable under varying load conditions, contributing to system stability.

Minimum Input Voltage: 4 V

A low minimum input voltage requirement makes it compatible with a variety of power sources.

Maximum Output Current: 0.25 A

Handles up to 0.25 A output current, suitable for a variety of consumer electronics and embedded systems.

Nominal Dropout Voltage: 0.4 V

A low nominal dropout voltage indicates improved performance and efficiency under load conditions.

Length: 6.5 mm

Compact length enhances the regulator's suitability for small form factor designs.

Maximum Input Voltage: 20 V

A high maximum input voltage supports a wide range of input power supplies, enhancing design flexibility.

Maximum Input Voltage Absolute: 20 V

Absolute maximum input voltage reinforces reliability by ensuring the device can withstand voltage spikes.

Technical Specifications

Fixed Regulators - Positive Single Output LDO L4931ABPT33TR attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.8 V

Nominal Dropout Voltage-1:

.4 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

20 V

Minimum Input Voltage:

4 V

JESD-30 Code:

R-PSSO-G4

JESD-609 Code:

e3

Length:

6.5 mm

Maximum Line Regulation:

.015 %

Maximum Load Regulation:

.015 %

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

4

Operating Temperature (TJ-Max):

125 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

.25 A

Maximum Output Voltage-1:

3.366 V

Minimum Output Voltage-1:

3.234 V

Nominal Output Voltage-1:

3.3 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SMSIP5H,.37,50TB

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE

Packing Method:

TR

Qualification Status:

Not Qualified

Maximum Seated Height:

2.63 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BIPOLAR

Terminal Finish:

TIN

Terminal Form:

Terminal Pitch:

1.27 mm

Terminal Position:

SINGLE

Maximum Voltage Tolerance:

2 %

Width:

6.1 mm

Trade Compliance

L4931ABPT33TR Regulators 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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