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LD2985AM31R

STMicroelectronics

LD2985AM31R by STMicroelectronics

LD2985AM31R from STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 3.1 V and a max output current of 0.15 A. It operates efficiently in temperatures ranging from -40 °C to 125°C, featuring a low dropout voltage of just 0.28 V. Ideal for compact applications, it comes in a small outline package with gull-wing terminals for easy surface mounting.

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 . 6,339 parts In-Stock

1+ parts

-

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6,339

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Digiode

USA . 4,287 parts In-Stock

1+ parts

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4,287

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Anansix

USA . 2,123 parts In-Stock

1+ parts

-

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2,123

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Distributors (Availability)

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

IDEA Electronic Components Group

UK . 1,495 parts In-Stock

1+ parts

$2.279

100+ parts

-

1k+ parts

$2.051

10k+ parts

-

1,495

$2.279

-

$2.051

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Microchip USA

USA . 214 parts In-Stock

1+ parts

$2.475

100+ parts

-

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214

$2.475

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MKK Technologies

India . 626 parts In-Stock

1+ parts

$4.285

100+ parts

-

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626

$4.285

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DigiPath Technology Company

USA . 626 parts In-Stock

1+ parts

$4.285

100+ parts

-

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626

$4.285

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AZTECH Wire

Italy . 177 parts In-Stock

1+ parts

$21.380

100+ parts

-

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177

$21.380

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Component Stockers USA

USA . 658 parts In-Stock

1+ parts

$99.990

100+ parts

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658

$99.990

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A-Z Elektronik GmbH

Germany . 7,397 parts In-Stock

1+ parts

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7,397

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Alle Elektronik GmbH

Germany . 4,931 parts In-Stock

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4,931

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Vigor

Singapore . 3,740 parts In-Stock

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3,740

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Kepictronics

USA . 3,500 parts In-Stock

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3,500

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Corphita

USA . 2,813 parts In-Stock

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2,813

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Parana Technologies

USA . 726 parts In-Stock

1+ parts

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$2.725

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726

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$2.725

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Overview

Elevate your designs with the LD2985AM31R from STMicroelectronics, a trusted leader in innovation. This high-performance fixed LDO regulator delivers reliable power management, ensuring optimal efficiency in demanding applications. With its compact design and robust operating range, it’s perfect for portable devices, automotive systems, and industrial automation. Choose STMicroelectronics for quality that empowers your projects with precision, durability, and unmatched support.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy makes the product lightweight, durable, and suitable for various applications.

Maximum Dropout Voltage: 0.575 V

A low dropout voltage enables the regulator to maintain output voltage even when input is relatively close, enhancing efficiency.

Surface Mount: YES

Surface mount capability allows for space-efficient designs and easier automated assembly.

Operating Temperature (TJ-Max): 125 °C

High maximum operating temperature ensures reliable performance in demanding environments.

Technology: BIPOLAR

Bipolar technology typically offers improved performance for linear regulation, making this product a reliable choice.

Package Shape: RECTANGULAR

A rectangular shape supports efficient PCB layout and integration into compact designs.

Terminal Form: GULL WING

Gull wing terminals provide excellent mechanical stability and ease of soldering.

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

Wide temperature range means the product can be used in extreme conditions, ideal for automotive and industrial applications.

Minimum Output Voltage: 2.9915 V

Provides flexibility for different voltage requirements while maintaining output stability.

Maximum Voltage Tolerance: 2.5 %

Tight voltage tolerance ensures consistent and reliable performance in varied applications.

Nominal Output Voltage: 3.1 V

The standard output voltage makes it suitable for a wide range of electronic devices.

No. of Terminals: 5

Five terminal configuration allows for versatile connectivity options.

Package Style (Meter): SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

Small outline and low profile design aids in compact PCB layouts, saving space.

Adjustability: FIXED

Fixed output voltage simplifies design and enhances reliability by reducing regulation complexity.

Terminal Pitch: 0.95 mm

Tight terminal pitch enables higher density layouts, making it ideal for compact devices.

Maximum Line Regulation: 0.0118 %

Excellent line regulation minimizes output voltage variation due to changes in input voltage, ensuring stability.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This type of regulator efficiently supplies power with low noise, making it perfect for sensitive electronic applications.

Terminal Finish: TIN

Tin finish provides good solderability and corrosion resistance, enhancing long-term durability.

Terminal Position: DUAL

Dual terminal configuration enhances flexibility in circuit designs.

Maximum Output Voltage: 3.2085 V

Marginally higher maximum output voltage expands its operational range for certain applications.

Maximum Seated Height: 1.45 mm

A low seated height makes it suitable for low-profile device applications.

Width: 1.625 mm

Compact width facilitates integration into space-constrained designs.

Minimum Input Voltage: 2.5 V

Allows for a wide range of power source compatibility while maintaining output integrity.

Maximum Output Current: 0.15 A

Supports moderate current applications, ideal for powering small electronic components.

Nominal Dropout Voltage: 0.28 V

A low nominal dropout voltage enhances efficiency in battery-powered applications.

Length: 2.9 mm

Short length is conducive to densely packed circuitry, minimizing space usage.

Maximum Input Voltage: 16 V

High input voltage capability allows usage in various power systems.

Maximum Input Voltage Absolute: 16 V

This absolute maximum input voltage ensures robust designs that can handle voltage spikes.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2985AM31R attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.575 V

Nominal Dropout Voltage-1:

.28 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

16 V

Minimum Input Voltage:

2.5 V

JESD-30 Code:

R-PDSO-G5

JESD-609 Code:

e3

Length:

2.9 mm

Maximum Line Regulation:

.0118 %

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

5

Operating Temperature (TJ-Max):

125 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

.15 A

Maximum Output Voltage-1:

3.2085 V

Minimum Output Voltage-1:

2.9915 V

Nominal Output Voltage-1:

3.1 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

TSOP5/6,.11,37

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

Qualification Status:

Not Qualified

Maximum Seated Height:

1.45 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BIPOLAR

Terminal Finish:

TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Voltage Tolerance:

Width:

1.625 mm

Trade Compliance

LD2985AM31R 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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