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LDS3985M25R

STMicroelectronics

LDS3985M25R by STMicroelectronics

LDS3985M25R by STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 2.5 V and a max output current of 0.3 A. It operates efficiently in temperatures from -40 °C to 125 °C, featuring a low dropout voltage of just 0.15 V. Ideal for compact applications, it comes in a small outline package with gull-wing terminals for easy surface mounting.

Median Price

$0.710

Lifecycle Status

Suppliers In-Stock

15

In-Stock Inventory

1k+

Distributors (Authorized)

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

Farnell

UK . 6 parts In-Stock

1+ parts

$0.662

100+ parts

$0.370

1k+ parts

$0.318

10k+ parts

$0.305

6

$0.662

$0.370

$0.318

$0.305

DigiKey

USA . 3,127 parts In-Stock

1+ parts

$0.710

100+ parts

$0.397

1k+ parts

$0.341

10k+ parts

$0.312

3,127

$0.710

$0.397

$0.341

$0.312

Mouser Electronics

USA . 2,855 parts In-Stock

1+ parts

$0.710

100+ parts

$0.398

1k+ parts

$0.340

10k+ parts

$0.301

2,855

$0.710

$0.398

$0.340

$0.301

Newark

USA . 6 parts In-Stock

1+ parts

$0.731

100+ parts

$0.410

1k+ parts

$0.260

10k+ parts

-

6

$0.731

$0.410

$0.260

-

Avnet

USA . 15,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

15,000

-

-

-

-

Rochester

USA . 5,900 parts In-Stock

1+ parts

-

100+ parts

$0.382

1k+ parts

$0.317

10k+ parts

$0.283

5,900

-

$0.382

$0.317

$0.283

Element14

Singapore . 6 parts In-Stock

1+ parts

-

100+ parts

$0.760

1k+ parts

$0.507

10k+ parts

$0.447

6

-

$0.760

$0.507

$0.447

Distributors (In-Stock)

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

Digiode

USA . 4,555 parts In-Stock

1+ parts

$0.788

100+ parts

-

1k+ parts

-

10k+ parts

-

4,555

$0.788

-

-

-

Vyrian

USA . 3,492 parts In-Stock

1+ parts

$0.830

100+ parts

-

1k+ parts

-

10k+ parts

-

3,492

$0.830

-

-

-

Inventory MP

USA . 12,533 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

12,533

-

-

-

-

Bristol Electronics

USA . 12,533 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

12,533

-

-

-

-

SPM Sales

USA . 2,680 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,680

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 580 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

580

-

-

-

-

Anansix

USA . 549 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

549

-

-

-

-

Prism Electronics

USA . 30 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

30

-

-

-

-

Distributors (Availability)

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

Corphita

USA . 4,678 parts In-Stock

1+ parts

$0.747

100+ parts

-

1k+ parts

-

10k+ parts

-

4,678

$0.747

-

-

-

Vigor

Singapore . 58 parts In-Stock

1+ parts

$0.870

100+ parts

-

1k+ parts

-

10k+ parts

-

58

$0.870

-

-

-

Continental Prestige Electronics

USA . 2,975 parts In-Stock

1+ parts

$1.100

100+ parts

$0.630

1k+ parts

$0.442

10k+ parts

$0.416

2,975

$1.100

$0.630

$0.442

$0.416

Microchip USA

USA . 4,246 parts In-Stock

1+ parts

$3.098

100+ parts

-

1k+ parts

-

10k+ parts

-

4,246

$3.098

-

-

-

Advanced Electronics

New Zealand . 1,000 parts In-Stock

1+ parts

$3.291

100+ parts

$2.995

1k+ parts

$2.699

10k+ parts

-

1,000

$3.291

$2.995

$2.699

-

IDEA Electronic Components Group

UK . 722 parts In-Stock

1+ parts

$4.081

100+ parts

-

1k+ parts

$3.673

10k+ parts

-

722

$4.081

-

$3.673

-

MKK Technologies

India . 1,310 parts In-Stock

1+ parts

$7.674

100+ parts

-

1k+ parts

-

10k+ parts

-

1,310

$7.674

-

-

-

DigiPath Technology Company

USA . 1,310 parts In-Stock

1+ parts

$7.674

100+ parts

-

1k+ parts

-

10k+ parts

-

1,310

$7.674

-

-

-

Metaverse IC Inc.

Canada . 90,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

90,000

-

-

-

-

Perfect Parts

USA . 47,469 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

47,469

-

-

-

-

QUARKTWIN TECHNOLOGY LTD

USA . 23,466 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

23,466

-

-

-

-

Authorized Procurement Solutions

USA . 5,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,000

-

-

-

-

Eastek

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.300

10k+ parts

-

3,000

-

-

$0.300

-

GreenTree Electronics

Israel . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Kepictronics

USA . 300 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

300

-

-

-

-

Parana Technologies

USA . 151 parts In-Stock

1+ parts

-

100+ parts

$4.880

1k+ parts

-

10k+ parts

-

151

-

$4.880

-

-

Overview

Elevate your design with the LDS3985M25R from STMicroelectronics, a trusted leader in semiconductor innovation. This high-performance LDO regulator ensures reliable power with minimal dropout voltage and superb line regulation, making it ideal for applications in telecommunications, automotive systems, and consumer electronics. Experience enhanced efficiency, superior thermal performance, and robust reliability—empowering your projects with quality you can count on.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The durable plastic/epoxy body material ensures reliability and longevity, making it suitable for various applications.

Maximum Dropout Voltage: 1.25 V

A low dropout voltage allows for efficient power regulation, enhancing battery life in portable devices.

Surface Mount: YES

Surface mount capability enables compact PCB designs and efficient assembly processes.

Operating Temperature (TJ-Max): 125 °C

High maximum operating temperature makes it suitable for applications in demanding environments.

Technology: BICMOS

The BICMOS technology offers low power consumption and high performance, optimizing energy efficiency.

Package Shape: RECTANGULAR

Rectangular package shape allows for space-efficient layout on PCBs.

Terminal Form: GULL WING

Gull wing terminals facilitate easy soldering and improve mechanical strength.

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

Wide operating temperature range ensures reliability in extreme environmental conditions.

Packing Method: TR

Tape and reel packing allows for automated assembly processes, improving production efficiency.

Minimum Output Voltage: 2.425 V

The minimum output voltage is ideal for multiple application scenarios requiring precise voltage regulation.

Maximum Voltage Tolerance: 3 %

A maximum voltage tolerance of 3% ensures stable performance and accuracy in voltage output.

Nominal Output Voltage: 2.5 V

Standard nominal output voltage is compatible with a wide range of electronic devices.

No. of Terminals: 5

Five terminals enable robust connections, enhancing circuit reliability.

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

The small outline and low profile design minimize space on the PCB, making it ideal for compact applications.

Adjustability: FIXED

Fixed adjustability simplifies design considerations, offering ease of integration into electronic systems.

Terminal Pitch: 0.95 mm

A terminal pitch of 0.95 mm supports high-density routing on PCBs.

Maximum Line Regulation: 0.0075 %

Excellent line regulation ensures minimal output voltage variation, providing a stable power supply.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This type of regulator offers simplicity and reliability in voltage regulation for various electronic devices.

Terminal Finish: MATTE TIN

Matte tin finish provides good solderability and corrosion resistance for improved performance.

Terminal Position: DUAL

Dual terminal position allows versatile layout options on the PCB.

Maximum Output Voltage: 2.575 V

A maximum output voltage that remains within safe operating margins for most devices.

Maximum Seated Height: 1.45 mm

The low seated height accommodates tight spaces in modern electronic designs.

Width: 1.625 mm

Compact width supports a more condensed layout, which is critical for miniaturized products.

Minimum Input Voltage: 2.5 V

A minimum input voltage compatible with battery-powered devices, optimizing performance.

Maximum Output Current: 0.3 A

Supports moderate output current, suitable for a range of applications without overheating.

Maximum Time At Peak Reflow Temperature (s): 30

Allows for reliable soldering during manufacturing processes without degrading component performance.

Peak Reflow Temperature: 260 °C

A high peak reflow temperature ensures compatibility with various soldering processes.

Nominal Dropout Voltage: 0.15 V

Very low nominal dropout voltage enhances efficiency in power delivery.

Length: 2.9 mm

Compact length aids in maintaining a small overall footprint on printed circuit boards.

Maximum Input Voltage: 6 V

A maximum input voltage of 6 V enables flexibility in power supply configurations.

Maximum Input Voltage Absolute: 6 V

Absolute maximum input voltage specification keeps the device operating safely within design limits.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LDS3985M25R attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.25 V

Nominal Dropout Voltage-1:

.15 V

Maximum Input Voltage Absolute:

6 V

Maximum Input Voltage:

6 V

Minimum Input Voltage:

2.5 V

JESD-30 Code:

R-PDSO-G5

JESD-609 Code:

e3

Length:

2.9 mm

Maximum Line Regulation:

.0075 %

Moisture Sensitivity Level (MSL):

1

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:

.3 A

Maximum Output Voltage-1:

2.575 V

Minimum Output Voltage-1:

2.425 V

Nominal Output Voltage-1:

2.5 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

Peak Reflow Temperature (C):

260

Qualification Status:

Not Qualified

Maximum Seated Height:

1.45 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BICMOS

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Maximum Voltage Tolerance:

3 %

Width:

1.625 mm

Trade Compliance

LDS3985M25R 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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