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LDS3985M125R

STMicroelectronics

LDS3985M125R by STMicroelectronics

LDS3985M125R by STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 1.25 V and a max output current of 0.3 A. It operates efficiently in temperatures from -40 °C to 125 °C, featuring 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

-

Lifecycle Status

Suppliers In-Stock

3

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Digiode

USA . 4,109 parts In-Stock

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4,109

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Anansix

USA . 1,534 parts In-Stock

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1,534

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Vyrian

USA . 1,143 parts In-Stock

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1,143

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Distributors (Availability)

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

IDEA Electronic Components Group

UK . 1,408 parts In-Stock

1+ parts

$2.433

100+ parts

-

1k+ parts

$2.190

10k+ parts

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1,408

$2.433

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$2.190

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MKK Technologies

India . 1,806 parts In-Stock

1+ parts

$4.576

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1,806

$4.576

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DigiPath Technology Company

USA . 1,806 parts In-Stock

1+ parts

$4.576

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1,806

$4.576

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Kepictronics

USA . 33,000 parts In-Stock

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33,000

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Parana Technologies

USA . 1,945 parts In-Stock

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$2.910

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1,945

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$2.910

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Corphita

USA . 438 parts In-Stock

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438

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Overview

Elevate your designs with the LDS3985M125R from STMicroelectronics, a trusted leader in innovative semiconductor solutions. This high-quality low-dropout regulator ensures reliable performance across various applications, from consumer electronics to industrial systems. With its robust temperature range, compact design, and exceptional efficiency, it promises to enhance your product's reliability while reducing energy costs. Experience superior quality and peace of mind with an LDO designed for excellence.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The robust plastic/epoxy material provides durability and reliable mechanical protection, making it suitable for various applications.

Maximum Dropout Voltage: 1.25 V

A low dropout voltage ensures efficient regulation, allowing for a minimal difference between input and output voltage, enhancing performance.

Surface Mount: YES

Surface mount technology enables compact design and easy integration into modern circuit layouts, saving space on PCBs.

Operating Temperature (TJ-Max): 125 °C

Designed to operate in high-temperature environments, this feature ensures reliability in demanding conditions.

Technology: BICMOS

BICMOS technology offers high performance with low power consumption, making it ideal for energy-efficient designs.

Package Shape: RECTANGULAR

The rectangular shape maximizes the usage of PCB space and facilitates better heat dissipation.

Terminal Form: GULL WING

Gull wing terminals provide excellent solder joint strength, ensuring long-term reliability in electronic assemblies.

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

This wide temperature range allows use in various climates, making it versatile for different applications.

Packing Method: TR

Tape and reel packing facilitates automated assembly processes, improving manufacturing efficiency.

Minimum Output Voltage: 1.175 V

This minimum output voltage specification allows for flexibility in providing lower voltages as needed for specific applications.

Maximum Voltage Tolerance: 3 %

A 3% tolerance ensures reliable performance by maintaining output voltage close to the desired value under varying conditions.

Nominal Output Voltage: 1.25 V

A nominal output voltage of 1.25 V is commonly used in many electronic devices, providing a standard solution for designers.

Number of Terminals: 5

Having five terminals allows for additional features like enable/disable functionality or feedback control in the design.

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

The low-profile design saves space on the PCB, enabling more compact and efficient circuit designs.

Adjustability: FIXED

Fixed output voltage simplifies the design process and eliminates the need for external resistors in many applications.

Terminal Pitch: 0.95 mm

A smaller terminal pitch allows for increased component density on PCBs, optimizing space usage.

Maximum Line Regulation: 0.00437 %

Excellent line regulation improves output stability in varying input voltage conditions, enhancing overall performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This type of regulator is essential for providing stable voltage in sensitive applications, ensuring consistent performance.

Terminal Position: DUAL

Dual terminal position offers design flexibility and ease of integration into different circuit layouts.

Maximum Output Voltage: 1.325 V

This maximum output voltage supports a wide range of electronic devices requiring slightly higher voltage levels.

Maximum Seated Height: 1.45 mm

A low seated height is suitable for low-profile designs, maintaining a slim device profile.

Width: 1.625 mm

This compact width supports high-density layouts in modern electronic applications.

Maximum Load Regulation: 0.03737 %

Outstanding load regulation ensures minimal output voltage variation under different load conditions, improving device performance.

Minimum Input Voltage: 2.5 V

A low minimum input voltage makes this regulator compatible with a variety of voltage sources, enhancing design flexibility.

Maximum Output Current: 0.3 A

The ability to deliver up to 0.3 A of output current supports many typical applications, providing robust performance.

Nominal Dropout Voltage: 0.15 V

A nominal dropout voltage of 0.15 V contributes to the efficiency of the regulator under varying load conditions.

Length: 2.9 mm

The compact length ensures that the regulator fits into space-constrained applications, making it ideal for modern electronics.

Maximum Input Voltage: 6 V

The ability to handle up to 6 V input allows for flexibility across various applications that may utilize high input voltages.

Maximum Input Voltage Absolute: 6 V

An absolute maximum input voltage rating ensures safe operation under specified limits, preventing potential damage.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LDS3985M125R 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

Length:

2.9 mm

Maximum Line Regulation:

.00437 %

Maximum Load Regulation:

.03737 %

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:

1.325 V

Minimum Output Voltage-1:

1.175 V

Nominal Output Voltage-1:

1.25 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:

BICMOS

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Voltage Tolerance:

3 %

Width:

1.625 mm

Trade Compliance

LDS3985M125R 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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