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LD2981ABM18TR

STMicroelectronics

LD2981ABM18TR by STMicroelectronics

LD2981ABM18TR from STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 1.8 V and a max output current of 0.1 A. It features a low dropout voltage of 0.375 V and operates in temperatures from -40 °C to 125°C, ideal for compact electronic applications. Its small outline package ensures efficient surface mounting in space-constrained designs.

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 . 5,260 parts In-Stock

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5,260

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Digiode

USA . 3,692 parts In-Stock

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3,692

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Anansix

USA . 2,705 parts In-Stock

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2,705

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Distributors (Availability)

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

Advanced Electronics

New Zealand . 46 parts In-Stock

1+ parts

$1.663

100+ parts

$1.513

1k+ parts

$1.364

10k+ parts

-

46

$1.663

$1.513

$1.364

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Microchip USA

USA . 266 parts In-Stock

1+ parts

$4.330

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-

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266

$4.330

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IDEA Electronic Components Group

UK . 1,573 parts In-Stock

1+ parts

$5.914

100+ parts

-

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$5.322

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1,573

$5.914

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$5.322

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MKK Technologies

India . 1,978 parts In-Stock

1+ parts

$11.120

100+ parts

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1,978

$11.120

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DigiPath Technology Company

USA . 1,978 parts In-Stock

1+ parts

$11.120

100+ parts

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1,978

$11.120

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AZTECH Wire

Italy . 1,180 parts In-Stock

1+ parts

$18.980

100+ parts

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1,180

$18.980

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Vigor

Singapore . 2,500 parts In-Stock

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2,500

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Parana Technologies

USA . 2,224 parts In-Stock

1+ parts

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$7.071

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2,224

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$7.071

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Corphita

USA . 846 parts In-Stock

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846

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Overview

Elevate your designs with the LD2981ABM18TR from STMicroelectronics, a trusted leader in semiconductor innovation. This high-quality LDO regulator ensures reliable performance with minimal dropout voltage, making it ideal for a range of applications from consumer electronics to automotive systems. Its compact, low-profile design fits seamlessly into space-constrained projects, delivering consistent power and stability while enhancing energy efficiency. Choose the LD2981ABM18TR for superior reliability and peace of mind in every application!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material ensures durability and resistance to environmental factors, making the regulator suitable for various applications.

Maximum Dropout Voltage: 0.375 V

A low maximum dropout voltage allows for efficient operation, ensuring stable output even at lower input voltages.

Surface Mount: YES

Surface mount capability enables easy integration into compact circuit designs, saving space on PCBs.

Operating Temperature (TJ-Max): 125 °C

A high maximum operating temperature ensures reliable performance in demanding conditions and higher ambient temperatures.

Technology: BIPOLAR

Bipolar technology enhances performance characteristics like noise suppression and transient response, making it suitable for sensitive applications.

Package Shape: RECTANGULAR

The rectangular package shape allows for optimized layout flexibility on circuit boards.

Terminal Form: GULL WING

Gull wing terminals facilitate easy soldering and improve mechanical stability, enhancing reliability in the application.

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

The ability to operate in a wide temperature range makes this regulator suitable for extreme conditions and outdoor applications.

Packing Method: TR

Tape and reel packing ensures efficient handling and automatic placement in production environments.

Minimum Output Voltage: 1.755 V

A low minimum output voltage makes this LDO regulator ideal for devices requiring precise low voltage.

Maximum Voltage Tolerance: 2.5 %

With a maximum voltage tolerance of 2.5%, the regulator can maintain a stable output, ensuring your applications perform under varying conditions.

Nominal Output Voltage: 1.8 V

The nominal output voltage of 1.8 V fits well with various consumer electronics, providing reliable power supply.

No. of Terminals: 5

The five-terminal design offers flexibility in circuit configuration for various applications.

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

The small outline and low profile design allow for dense PCB layouts and adaptations in space-constrained designs.

Adjustability: FIXED

Fixed output voltage simplifies design considerations, making this regulator user-friendly in setup.

Terminal Pitch: 0.95 mm

A terminal pitch of 0.95 mm is compatible with standard PCB designs, facilitating better connectivity and ease of manufacturing.

Maximum Line Regulation: 0.0076 %

Excellent line regulation ensures output voltage stability despite input voltage fluctuations, improving overall performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This type of regulator is ideal for applications needing consistent voltage output, particularly in low power situations.

Terminal Position: DUAL

Dual terminal positioning supports versatile mounting orientations, increasing design flexibility.

Maximum Output Voltage: 1.845 V

The maximum output voltage is just above the nominal, providing flexibility for slightly higher voltage applications without compromising stability.

Maximum Seated Height: 1.45 mm

A low seated height is beneficial for low-profile applications, minimizing overall device thickness.

Width: 1.625 mm

The compact width saves board space, allowing for more components to be placed on the PCB.

Minimum Input Voltage: 2.5 V

The minimum input voltage of 2.5 V makes this LDO versatile for a wide range of input supplies while ensuring a stable output.

Maximum Output Current: 0.1 A

This current rating is suitable for most low-power applications, providing a reliable output when needed.

Nominal Dropout Voltage: 0.2 V

A nominal dropout voltage of 0.2 V allows for efficient operation, minimizing loss across the regulator.

Length: 2.9 mm

The short length facilitates tight PCB designs while maintaining performance integrity.

Maximum Input Voltage: 16 V

A maximum input voltage of 16 V provides broad compatibility with various input power sources.

Maximum Input Voltage Absolute: 16 V

The absolute maximum input voltage rating offers reassurance about the regulator's durability and resilience under stress.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2981ABM18TR attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.375 V

Nominal Dropout Voltage-1:

.2 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

16 V

Minimum Input Voltage:

2.5 V

JESD-30 Code:

R-PDSO-G5

Length:

2.9 mm

Maximum Line Regulation:

.0076 %

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:

.1 A

Maximum Output Voltage-1:

1.845 V

Minimum Output Voltage-1:

1.755 V

Nominal Output Voltage-1:

1.8 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 Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Voltage Tolerance:

Width:

1.625 mm

Trade Compliance

LD2981ABM18TR 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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