Loading...

LM2991S

Texas Instruments

LM2991S by Texas Instruments

LM2991S by Texas Instruments is an adjustable negative single output LDO regulator with a max output current of 1A and a dropout voltage of 1V. It operates in temperatures ranging from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact electronic devices.

Median Price

$5.680

Lifecycle Status

Suppliers In-Stock

51

In-Stock Inventory

1k+

Distributors (Authorized)

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

DigiKey

USA . 2 parts In-Stock

1+ parts

$5.400

100+ parts

-

1k+ parts

-

10k+ parts

-

2

$5.400

-

-

-

Mouser Electronics

USA . 9,465 parts In-Stock

1+ parts

$5.960

100+ parts

$5.040

1k+ parts

$4.140

10k+ parts

$4.130

9,465

$5.960

$5.040

$4.140

$4.130

Distributors (In-Stock)

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

TEDSS.com

USA . 41 parts In-Stock

1+ parts

$1.650

100+ parts

-

1k+ parts

-

10k+ parts

-

41

$1.650

-

-

-

DF Sales Co.

USA . 32 parts In-Stock

1+ parts

$3.000

100+ parts

-

1k+ parts

-

10k+ parts

-

32

$3.000

-

-

-

DF Sales Co.

USA . 32 parts In-Stock

1+ parts

$3.000

100+ parts

-

1k+ parts

-

10k+ parts

-

32

$3.000

-

-

-

Nova Conductors

Japan . 450 parts In-Stock

1+ parts

$3.701

100+ parts

-

1k+ parts

-

10k+ parts

-

450

$3.701

-

-

-

American Microsemiconductor Inc.

USA . 1,386 parts In-Stock

1+ parts

$4.160

100+ parts

-

1k+ parts

-

10k+ parts

-

1,386

$4.160

-

-

-

Digiode

USA . 4,266 parts In-Stock

1+ parts

$5.662

100+ parts

-

1k+ parts

-

10k+ parts

-

4,266

$5.662

-

-

-

Component Electronics Inc.

Canada . 21 parts In-Stock

1+ parts

$7.690

100+ parts

$5.770

1k+ parts

$5.000

10k+ parts

-

21

$7.690

$5.770

$5.000

-

Forefront Electronics and Design

USA . 15 parts In-Stock

1+ parts

$8.580

100+ parts

-

1k+ parts

-

10k+ parts

-

15

$8.580

-

-

-

Vyrian

USA . 9,339 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

9,339

-

-

-

-

Chip Stock

USA . 3,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,500

-

-

-

-

Anansix

USA . 1,726 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,726

-

-

-

-

Prism Electronics

USA . 692 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

692

-

-

-

-

Mil-Aero Solutions, Inc.

USA . 618 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

618

-

-

-

-

J & M Industries LLC

USA . 498 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

498

-

-

-

-

Zilex Electronics Inc.

Canada . 277 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

277

-

-

-

-

Bristol Electronics

USA . 242 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

242

-

-

-

-

Q Components

USA . 236 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

236

-

-

-

-

A&K Electronics

USA . 201 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

201

-

-

-

-

Legend Electronics Inc.

USA . 188 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

188

-

-

-

-

NPI Materials, Inc.

USA . 164 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

164

-

-

-

-

LWI Electronics Inc

India . 153 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

153

-

-

-

-

Sea View Technologies

USA . 142 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

142

-

-

-

-

Specialty Parts & Electronic Components, Inc. (S.P.E.C.)

USA . 110 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

110

-

-

-

-

Speed Components Ltd

Israel . 94 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

94

-

-

-

-

Goldney Electronics S.L.

Spain . 85 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

85

-

-

-

-

Mentor Electronics Marketing, LLC

USA . 67 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

67

-

-

-

-

ECAB

Sweden . 62 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

62

-

-

-

-

Odi Ramu Company

Canada . 56 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

56

-

-

-

-

Resion

USA . 46 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

46

-

-

-

-

Cogito LLC

Ukraine . 45 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

45

-

-

-

-

Holdelec - ElecDif-Pro

France . 45 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

45

-

-

-

-

Connector Distribution Corp

USA . 45 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

45

-

-

-

-

Right Parts Inc.

USA . 45 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

45

-

-

-

-

Ashlea Components Ltd

UK . 42 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

42

-

-

-

-

Lakeland Logistics Inc

USA . 40 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

40

-

-

-

-

Manoshevitz Elec. Sales

Israel . 38 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

38

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 35 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

35

-

-

-

-

ComSIT Distribution GmbH

Germany . 35 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

35

-

-

-

-

ComSIT USA

USA . 35 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

35

-

-

-

-

EPE Components Inc.

USA . 32 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

32

-

-

-

-

Cyclops Electronics Ltd

UK . 30 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

30

-

-

-

-

Electronic Expediters

USA . 27 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

27

-

-

-

-

Electro Mavin

USA . 25 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

25

-

-

-

-

R&J Components

USA . 19 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

19

-

-

-

-

Sunrise Surplus Inc.

USA . 17 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

17

-

-

-

-

Beltway Electronics Company

USA . 15 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

15

-

-

-

-

First Choice Components Inc.

USA . 12 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

12

-

-

-

-

Halfin

Belgium . 3 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3

-

-

-

-

North Shore Components

USA . 1 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1

-

-

-

-

Distributors (Availability)

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

Parana Technologies

USA . 884 parts In-Stock

1+ parts

$2.836

100+ parts

-

1k+ parts

$3.323

10k+ parts

-

884

$2.836

-

$3.323

-

DigiPath Technology Company

USA . 199 parts In-Stock

1+ parts

$3.122

100+ parts

-

1k+ parts

-

10k+ parts

-

199

$3.122

-

-

-

Continental Prestige Electronics

USA . 2,433 parts In-Stock

1+ parts

$3.140

100+ parts

-

1k+ parts

-

10k+ parts

$3.078

2,433

$3.140

-

-

$3.078

Argo Parts USA

USA . 633 parts In-Stock

1+ parts

$3.140

100+ parts

-

1k+ parts

-

10k+ parts

-

633

$3.140

-

-

-

ChromeModa Solutions

Germany . 4,984 parts In-Stock

1+ parts

$3.186

100+ parts

$2.613

1k+ parts

-

10k+ parts

-

4,984

$3.186

$2.613

-

-

IDEA Electronic Components Group

UK . 1,174 parts In-Stock

1+ parts

$3.186

100+ parts

-

1k+ parts

$2.867

10k+ parts

-

1,174

$3.186

-

$2.867

-

Bastille Electronics

Australia . 100 parts In-Stock

1+ parts

$3.701

100+ parts

$3.516

1k+ parts

$3.340

10k+ parts

$3.294

100

$3.701

$3.516

$3.340

$3.294

Corohmni

South Africa . 300 parts In-Stock

1+ parts

$3.811

100+ parts

-

1k+ parts

-

10k+ parts

-

300

$3.811

-

-

-

Advanced Electronics

New Zealand . 270 parts In-Stock

1+ parts

$3.925

100+ parts

$3.729

1k+ parts

$3.729

10k+ parts

-

270

$3.925

$3.729

$3.729

-

Semicontronic

India . 9,412 parts In-Stock

1+ parts

$5.070

100+ parts

$4.943

1k+ parts

$4.918

10k+ parts

-

9,412

$5.070

$4.943

$4.918

-

Ampacity Inc.

Singapore . 9,062 parts In-Stock

1+ parts

$5.070

100+ parts

-

1k+ parts

-

10k+ parts

-

9,062

$5.070

-

-

-

Corphita

USA . 4,654 parts In-Stock

1+ parts

$5.364

100+ parts

-

1k+ parts

-

10k+ parts

-

4,654

$5.364

-

-

-

Microchip USA

USA . 132 parts In-Stock

1+ parts

$16.720

100+ parts

$16.480

1k+ parts

$16.360

10k+ parts

$16.240

132

$16.720

$16.480

$16.360

$16.240

Component Stockers USA

USA . 209 parts In-Stock

1+ parts

$99.990

100+ parts

-

1k+ parts

-

10k+ parts

-

209

$99.990

-

-

-

Lixinc

USA . 16,632 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

16,632

-

-

-

-

Perfect Parts

USA . 10,194 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

10,194

-

-

-

-

QUARKTWIN TECHNOLOGY LTD

USA . 9,611 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

9,611

-

-

-

-

Alle Elektronik GmbH

Germany . 1,700 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,700

-

-

-

-

Infinite Electronics LLP (Excess)

. 724 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

724

-

-

-

-

Metaverse IC Inc.

Canada . 540 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

540

-

-

-

-

Robosynatics

Brazil . 316 parts In-Stock

1+ parts

-

100+ parts

$0.068

1k+ parts

$0.068

10k+ parts

$0.068

316

-

$0.068

$0.068

$0.068

Lucentia Tech

USA . 316 parts In-Stock

1+ parts

-

100+ parts

$0.068

1k+ parts

$0.068

10k+ parts

$0.068

316

-

$0.068

$0.068

$0.068

Computer Components Inc. - USA

USA . 132 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

132

-

-

-

-

Cyclops Electronics Ltd (Excess)

UK . 117 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

117

-

-

-

-

Kepictronics

USA . 49 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

49

-

-

-

-

iodParts Technologies Inc.

India . 25 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

25

-

-

-

-

Assy Fe

Spain . 24 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

24

-

-

-

-

Overview

Discover the LM2991S by Texas Instruments, a top-quality adjustable negative single output LDO regulator that offers exceptional performance and reliability. With a wide range of applications, this product provides customers with superior value and benefits. Experience the advantages of Texas Instruments' cutting-edge technology and precision engineering in a compact package that delivers consistent results every time. Trust the LM2991S to meet your power regulation needs with efficiency and precision.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Provides durability and reliability for the product.

Maximum Dropout Voltage-1: 1 V

Low dropout voltage ensures efficient power delivery.

Surface Mount: YES

Enables easy and convenient installation on circuit boards.

Operating Temperature (TJ-Max): 125 °C

Allows for operation in a wide range of temperatures.

Technology: BIPOLAR

Bipolar technology offers stable performance and low noise output.

Package Shape: RECTANGULAR

Compact shape for space-efficient design.

Terminal Form: GULL WING

Easily connectable to circuit boards.

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

Can withstand low temperatures for versatile use.

Packing Method: TUBE

Protects the product during transportation and storage.

Minimum Output Voltage-1: 2 V

Ideal for applications requiring lower output voltage.

Maximum Voltage Tolerance: 5 %

Maintains stable output voltage within tolerance range.

No. of Terminals: 5

Sufficient number of terminals for effective connection.

Maximum Line Regulation (%/V): 0.04

Ensures consistent output voltage even with input fluctuations.

Package Style (Meter): SMALL OUTLINE

Space-saving package design.

Adjustability: ADJUSTABLE

Allows for fine-tuning of output voltage as needed.

Maximum Load Regulation (%): 0.4 %

Ensures stable output voltage under varying load conditions.

Terminal Pitch: 1.7 mm

Standard pitch for easy integration into circuit boards.

Regulator Type: ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR

Specifically designed for precise voltage regulation.

Terminal Finish: TIN LEAD

Provides good conductivity and solderability.

Terminal Position: SINGLE

Simplifies installation and connection.

Maximum Output Voltage-1: 25 V

Suitable for applications requiring higher output voltages.

Moisture Sensitivity Level (MSL): 3

Indicates tolerance to moisture during handling and storage.

Maximum Seated Height: 4.8 mm

Low profile design for compact installations.

Width: 8.64 mm

Compact width for space-efficient PCB layout.

Minimum Input Voltage: 26 V

Supports a wide range of input voltages for flexibility.

Maximum Output Current-1: 1 A

Capable of delivering high output current for various applications.

Maximum Time At Peak Reflow Temperature (s): 20

Can withstand reflow process for secure soldering.

Peak Reflow Temperature °C: 235

Withstands high reflow temperatures during assembly.

Nominal Dropout Voltage-1: 0.6 V

Low dropout voltage for efficient power conversion.

Length: 10.16 mm

Compact length for space-saving designs.

Maximum Input Voltage: 0.3 V

Limits input voltage for protection against overvoltage.

Technical Specifications

Adjustable Regulators - Negative Single Output LDO LM2991S attributes and parameters. Explore more Adjustable Regulators - Negative Single Output LDO devices from Texas Instruments

Specs

Adjustability:

ADJUSTABLE

Maximum Dropout Voltage-1:

1 V

Nominal Dropout Voltage-1:

.6 V

Maximum Input Voltage:

.3 V

Minimum Input Voltage:

26 V

JESD-30 Code:

R-PSSO-G5

JESD-609 Code:

e0

Length:

10.16 mm

Maximum Line Regulation (%/V):

.04

Maximum Load Regulation (%):

.4 %

Moisture Sensitivity Level (MSL):

3

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:

25 V

Minimum Output Voltage-1:

2 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SMSIP5H,.6,67TB

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE

Packing Method:

TUBE

Peak Reflow Temperature (C):

235

Qualification Status:

Not Qualified

Maximum Seated Height:

4.8 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BIPOLAR

Terminal Finish:

TIN LEAD

Terminal Form:

Terminal Pitch:

1.7 mm

Terminal Position:

SINGLE

Maximum Time At Peak Reflow Temperature (s):

20

Maximum Voltage Tolerance:

5 %

Width:

8.64 mm

Trade Compliance

LM2991S Regulators trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

NSN

5962-01-458-1194, 5962014581194

NIIN

014581194

Manufacturer Highlights

Texas Instruments

Texas Instruments Inc. (TI) is one of the world's leading semiconductor companies and a global leader in analog and digital signal processing technology. The company has had a major impact on the electronics industry for over 80 years, manufacturing integrated circuits (ICs), software and subsystems that leverage high-performance computing capabilities. It offers an extensive portfolio of solutions for a wide range of industries, from aerospace to medical devices and consumer products to communication systems. Over its long history, TI has become synonymous with quality, reliability and innovation. Today, TI is one of the largest semiconductor companies in the world with operations in more than 30 countries across six continents.

The material and information contained is this video is for educational and general information purposes. All rights remain with respective rightsholders. Fair Use Statement

Management team

President, CEO

Haviv Ilan

Chairman

Richard K. Templeton

Senior VP, CFO

Rafael R. Lizardi

Manufacturer fab locations 15

Fab name Location Fab Initiation Wafer Capacity

M - Fab

Fabrication

Fab Initiation

1997

USA

South Portland

Wafer Capacity

32,000

1997

32,000

D - FAB

Fabrication

Fab Initiation

1966

USA

Dallas

Wafer Capacity

42,000

1966

42,000

D MOS - 6

Fabrication

Fab Initiation

2002

USA

Dallas

Wafer Capacity

25,000

2002

25,000

D MOS - 5

Fabrication

Fab Initiation

1995

USA

Dallas

Wafer Capacity

75,000

1995

75,000

Miho - 8

Fabrication

Fab Initiation

1980

Japan

Inashiki

Wafer Capacity

43,000

1980

43,000

S FAB 1

Fabrication

Fab Initiation

1966

USA

Sherman

Wafer Capacity

91,000

1966

91,000

F - FAB

Fabrication

Fab Initiation

2001

Germany

Freising

Wafer Capacity

37,000

2001

37,000

R Fab 1

Fabrication

Fab Initiation

2010

USA

Richardson

Wafer Capacity

40,000

2010

40,000

D HC Line

Fabrication

Fab Initiation

1999

USA

Dallas

Wafer Capacity

2,000

1999

2,000

JV3

Fabrication

Fab Initiation

2001

Japan

Aizu Wakamatsu

Wafer Capacity

45,000

2001

45,000

C - FAB

Fabrication

Fab Initiation

2007

China

Chengdu

Wafer Capacity

30,000

2007

30,000

L - Fab

Fabrication

Fab Initiation

2015

USA

Lehi

Wafer Capacity

70,000

2015

70,000

R - Fab 2

Fabrication

Fab Initiation

2022

USA

Richardson

Wafer Capacity

2022

S - FAB 2

Fabrication

Fab Initiation

2025

USA

Sherman

Wafer Capacity

2025

S - FAB 3

Fabrication

Fab Initiation

2028

USA

Sherman

Wafer Capacity

2028

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

New products
from Texas Instruments 7

Similar products 19