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LD2981CM18TR

STMicroelectronics

LD2981CM18TR by STMicroelectronics

LD2981CM18TR by 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 operates efficiently in temperatures from -40 °C to 125°C, featuring a low dropout voltage of just 0.375 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 . 8,278 parts In-Stock

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8,278

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Digiode

USA . 2,149 parts In-Stock

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2,149

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Anansix

USA . 759 parts In-Stock

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759

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Distributors (Availability)

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

Microchip USA

USA . 114 parts In-Stock

1+ parts

$5.455

100+ parts

-

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114

$5.455

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IDEA Electronic Components Group

UK . 30 parts In-Stock

1+ parts

$5.743

100+ parts

-

1k+ parts

$5.168

10k+ parts

-

30

$5.743

-

$5.168

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AZTECH Wire

Italy . 963 parts In-Stock

1+ parts

$9.540

100+ parts

-

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963

$9.540

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MKK Technologies

India . 1,190 parts In-Stock

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$10.799

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1,190

$10.799

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DigiPath Technology Company

USA . 1,190 parts In-Stock

1+ parts

$10.799

100+ parts

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1,190

$10.799

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A-Z Elektronik GmbH

Germany . 6,761 parts In-Stock

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6,761

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Alle Elektronik GmbH

Germany . 4,507 parts In-Stock

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4,507

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Kepictronics

USA . 3,500 parts In-Stock

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3,500

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Corphita

USA . 2,218 parts In-Stock

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2,218

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Vigor

Singapore . 2,020 parts In-Stock

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2,020

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Parana Technologies

USA . 508 parts In-Stock

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$6.866

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508

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$6.866

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Overview

Unlock seamless power management with the LD2981CM18TR from STMicroelectronics, a trusted leader in semiconductor innovation. This compact LDO regulator delivers consistent performance, ensuring your devices operate smoothly even under challenging conditions. Designed for versatility, it’s perfect for a wide range of applications, from consumer electronics to industrial systems. Experience superior reliability and efficiency that enhance your projects, all backed by ST's commitment to quality and excellence.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Durable and lightweight, ensuring reliable performance in various applications.

Maximum Dropout Voltage-1: 0.375 V

Low dropout voltage allows for efficient voltage regulation even with small input-output differences.

Surface Mount: YES

Compatible with modern PCB designs, enabling easy integration into compact systems.

Operating Temperature (TJ-Max): 125 °C

High maximum operating temperature ensures reliability in hot environments and extended lifetime.

Technology: BIPOLAR

Bipolar technology offers low noise and excellent transient response, making it suitable for sensitive applications.

Package Shape: RECTANGULAR

Standard package shape allows for efficient PCB layout and space optimization.

Terminal Form: GULL WING

Facilitates easy soldering and ensures a robust mechanical connection to the PCB.

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

Wide operating temperature range ensures functionality in extreme conditions.

Packing Method: TR

Tape and reel packing provides convenience for automated assembly processes.

Minimum Output Voltage-1: 1.737 V

Provides stability for applications requiring low voltage output.

Maximum Voltage Tolerance: 3.5 %

Tight voltage tolerance ensures consistent performance in precision circuits.

Nominal Output Voltage-1: 1.8 V

A standard voltage level suitable for many common electronic devices.

No. of Terminals: 5

Extra terminals provide flexibility for more complex circuit designs.

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

Compact and low-profile design allows for high-density mounting on PCBs.

Adjustability: FIXED

Fixed output voltage simplifies design and eliminates the need for external voltage adjustment components.

Terminal Pitch: 0.95 mm

Fine pitch terminals are suitable for high-density applications while maintaining reliable connections.

Maximum Line Regulation: 0.0076 %

Exceptional line regulation minimizes the impact of input voltage variations on output voltage.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

Ideal for providing stable low voltage from a higher input voltage, essential for many electronic applications.

Terminal Finish: TIN

Tin finish offers good solderability and corrosion resistance, enhancing reliability.

Terminal Position: DUAL

Dual terminal positioning ensures versatility in layout and connection options.

Maximum Output Voltage-1: 1.863 V

Allows for precise voltage regulation for applications needing slightly higher voltage outputs.

Maximum Seated Height: 1.45 mm

Low profile fits in compact spaces, making it suitable for portable devices.

Width: 1.625 mm

Compact width is advantageous for space-restricted designs.

Minimum Input Voltage: 2.5 V

Supports a wide range of input voltages, enhancing design flexibility.

Maximum Output Current-1: 0.1 A

Capable of delivering sufficient current for many applications while maintaining stability.

Nominal Dropout Voltage-1: 0.2 V

Very low nominal dropout makes it suitable for battery-powered devices where efficiency is key.

Length: 2.9 mm

Compact length allows for efficient use of space on printed circuit boards.

Maximum Input Voltage: 16 V

High input voltage capability allows for compatibility with various power sources.

Maximum Input Voltage Absolute: 16 V

Ensures safe operation within specified limits, preventing potential damage.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD2981CM18TR 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

JESD-609 Code:

e3

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:

1.863 V

Minimum Output Voltage-1:

1.737 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 Finish:

TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Voltage Tolerance:

Width:

1.625 mm

Trade Compliance

LD2981CM18TR 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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