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LD2985BM31R

STMicroelectronics

LD2985BM31R by STMicroelectronics

LD2985BM31R 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 0.575 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 . 5,103 parts In-Stock

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5,103

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Digiode

USA . 4,585 parts In-Stock

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4,585

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Anansix

USA . 306 parts In-Stock

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306

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Distributors (Availability)

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Vigor

Singapore . 2,412 parts In-Stock

1+ parts

$0.210

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2,412

$0.210

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IDEA Electronic Components Group

UK . 15 parts In-Stock

1+ parts

$6.723

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-

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$6.051

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15

$6.723

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$6.051

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AZTECH Wire

Italy . 778 parts In-Stock

1+ parts

$11.230

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778

$11.230

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MKK Technologies

India . 1,847 parts In-Stock

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$12.643

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1,847

$12.643

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DigiPath Technology Company

USA . 1,847 parts In-Stock

1+ parts

$12.643

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1,847

$12.643

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Ampacity Inc.

Singapore . 780 parts In-Stock

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$19.500

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780

$19.500

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A-Z Elektronik GmbH

Germany . 1,526 parts In-Stock

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1,526

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Parana Technologies

USA . 1,322 parts In-Stock

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$8.039

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1,322

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$8.039

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Alle Elektronik GmbH

Germany . 1,017 parts In-Stock

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Corphita

USA . 779 parts In-Stock

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779

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Overview

Unlock unparalleled performance with the LD2985BM31R from STMicroelectronics, a trusted leader in cutting-edge technology. This high-quality LDO regulator ensures reliable power management for your critical applications, delivering a stable output of 3.1V with minimal dropout. Its compact design and robust temperature range make it ideal for everything from consumer electronics to industrial systems. Experience enhanced efficiency and durability that only STMicroelectronics can offer!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

This durable and lightweight material ensures reliability and longevity in various applications.

Maximum Dropout Voltage-1: 0.575 V

Low dropout voltage enables the regulator to maintain stable output voltage even with minimal input voltage headroom, improving efficiency.

Surface Mount: YES

Surface mount design allows for easier and more compact integration onto PCBs, saving space in your design.

Operating Temperature (TJ-Max): 125 °C

High maximum operating temperature ensures the regulator can function effectively in demanding environments.

Technology: BIPOLAR

Bipolar technology enhances performance characteristics such as speed and output regulation.

Package Shape: RECTANGULAR

Rectangular package shape simplifies layout design when mounting on circuit boards.

Terminal Form: GULL WING

Gull wing terminals provide excellent soldering accessibility, ensuring reliable connections.

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

Wide operating temperature range allows the regulator to be used in extreme environmental conditions.

Packing Method: TR

Tape and reel packing allows efficient automated assembly and handling during manufacturing.

Minimum Output Voltage-1: 2.976 V

This minimum output voltage ensures compatibility with a variety of low-voltage applications.

Maximum Voltage Tolerance: 3.5 %

Tight voltage tolerance guarantees stable output, enhancing the reliability of connected components.

Nominal Output Voltage-1: 3.1 V

Ideal output voltage for many low-power electronics, making it versatile for various applications.

No. of Terminals: 5

Five terminals facilitate easy connection and integration into circuit designs.

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

Compact and low-profile design optimizes space in modern electronics, catering to size-constrained applications.

Adjustability: FIXED

Fixed output voltage simplifies design choices, reducing the need for additional external components.

Terminal Pitch: 0.95 mm

Narrow terminal pitch is suitable for dense PCB layouts, allowing more efficient use of space.

Maximum Line Regulation: 0.0118 %

Exceptional line regulation ensures minimal voltage variation regardless of input voltage changes, enhancing performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

Designed for reliable voltage regulation with a fixed output, ideal for constant power applications.

Terminal Finish: TIN

Tin plating provides good solderability, ensuring strong electrical connections for reliability.

Terminal Position: DUAL

Dual terminal position enhances the layout flexibility on PCBs.

Maximum Output Voltage-1: 3.224 V

This maximum output voltage allows for sufficient headroom in powering various electronic components.

Maximum Seated Height: 1.45 mm

Low seated height supports slim designs, particularly in portable electronic devices.

Width: 1.625 mm

Compact width ensures that the regulator fits easily within small form factor designs.

Minimum Input Voltage: 2.5 V

Allows for operation with low input voltages, making it suitable for battery-powered applications.

Maximum Output Current-1: 0.15 A

Sufficient output current capacity for low-power devices, enhancing the versatility of the regulator.

Nominal Dropout Voltage-1: 0.28 V

Low nominal dropout voltage maximizes efficiency by allowing closer input-output voltage proximity.

Length: 2.9 mm

Short length is ideal for compact electronic designs and contributes to overall space efficiency.

Maximum Input Voltage: 16 V

High input voltage tolerance extends the regulator's applicability in various high-voltage scenarios.

Maximum Input Voltage Absolute: 16 V

Absolute maximum input voltage indicates the robust nature of the regulator for demanding applications.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2985BM31R 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:

3.224 V

Minimum Output Voltage-1:

2.976 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

Packing Method:

TR

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

LD2985BM31R Regulators 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

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