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LDS3985M20R

STMicroelectronics

LDS3985M20R by STMicroelectronics

LDS3985M20R by STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 2V and max output current of 0.3A. It operates in -40 °C to 125 °C range, featuring low dropout voltage (0.15V) and excellent line regulation (0.007%). Ideal for compact electronic applications requiring stable power supply.

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

Anansix

USA . 2,707 parts In-Stock

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2,707

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Vyrian

USA . 978 parts In-Stock

1+ parts

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978

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Digiode

USA . 697 parts In-Stock

1+ parts

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697

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Distributors (Availability)

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

IDEA Electronic Components Group

UK . 2,348 parts In-Stock

1+ parts

$7.013

100+ parts

-

1k+ parts

$6.312

10k+ parts

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2,348

$7.013

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$6.312

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MKK Technologies

India . 189 parts In-Stock

1+ parts

$13.188

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189

$13.188

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DigiPath Technology Company

USA . 189 parts In-Stock

1+ parts

$13.188

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189

$13.188

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Corphita

USA . 3,910 parts In-Stock

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3,910

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Parana Technologies

USA . 495 parts In-Stock

1+ parts

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$8.385

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495

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$8.385

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Overview

Elevate your designs with the LDS3985M20R from STMicroelectronics, a trusted leader in semiconductor innovation. This high-performance LDO regulator ensures stable voltage output, making it perfect for powering sensitive electronics in automotive, industrial, and consumer applications. With its robust temperature range and sleek package design, enjoy enhanced reliability and efficiency—unlocking unmatched value and peace of mind for your projects. Choose quality, choose ST!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy for the package body ensures durability and protection against environmental factors, making it suitable for a wide range of applications.

Maximum Dropout Voltage: 1.25 V

A low maximum dropout voltage contributes to improved efficiency, allowing the regulator to maintain a stable output voltage even with small differences between input and output voltage.

Surface Mount: YES

Surface mount capability enables efficient space utilization on printed circuit boards, facilitating compact product designs.

Operating Temperature (TJ-Max): 125 °C

The high maximum operating temperature rating ensures reliability and performance in demanding environments.

Technology: BICMOS

BICMOS technology combines the strengths of both bipolar and CMOS processes, resulting in enhanced performance and lower power consumption.

Package Shape: RECTANGULAR

A rectangular package shape allows for efficient use of PCB space and can enhance thermal performance compared to other shapes.

Terminal Form: GULL WING

Gull wing terminals provide easy soldering and robust connectivity, making assembly processes more efficient.

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

The wide operating temperature range allows this LDO to function reliably in extreme conditions, suitable for industrial or automotive applications.

Packing Method: TR

This method offers convenient bulk packaging for automated assembly, reducing production costs and improving efficiency.

Minimum Output Voltage: 1.925 V

The minimum output voltage close to the nominal ensures that it can reliably power devices requiring low voltage levels.

Maximum Voltage Tolerance: 3%

A tight voltage tolerance guarantees consistent output performance, essential for sensitive electronic applications.

Nominal Output Voltage: 2 V

The nominal output voltage of 2 V is ideal for a variety of electronic components, ensuring compatibility and stability in performance.

No. of Terminals: 5

A 5-terminal design offers versatile connection options, enhancing circuit design flexibility and ease of integration.

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

This package style allows for a low-profile design, making it suitable for applications where board space is limited.

Adjustability: FIXED

Fixed output voltage simplifies design requirements, as no additional components are needed for adjustment, ensuring reliability.

Terminal Pitch: 0.95 mm

Short terminal pitch facilitates high-density layouts, which is advantageous in modern compact electronic designs.

Maximum Line Regulation: 0.007%

Exceptional line regulation leads to minimal output voltage fluctuations, ensuring stable operation even with variations in input voltage.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This type of regulator is renowned for its ability to maintain a constant output voltage, making it ideal for powering sensitive electronics.

Terminal Position: DUAL

Dual terminal positioning allows for flexible PCB layout options, enhancing ease of integration into various designs.

Maximum Output Voltage: 2.075 V

A slightly higher maximum output voltage allows for tolerance in applications with varying load conditions, ensuring consistent performance.

Maximum Seated Height: 1.45 mm

The low seated height is advantageous for low-profile applications, promoting compact designs without sacrificing performance.

Width: 1.625 mm

A slim width enhances the design versatility, fitting well into applications where space is a critical constraint.

Maximum Load Regulation: 0.0598%

Excellent load regulation ensures that output voltage remains stable under changing load conditions, protecting downstream components.

Minimum Input Voltage: 2.5 V

A minimum input voltage of 2.5 V ensures compatibility with a range of power sources while maintaining stable output.

Maximum Output Current: 0.3 A

Capable of delivering up to 0.3 A, this LDO is robust enough for many common applications requiring moderate current.

Nominal Dropout Voltage: 0.15 V

A low nominal dropout voltage enhances efficiency and allows the regulator to maintain performance close to the input voltage.

Length: 2.9 mm

A short length dimension facilitates compact circuit designs, making it suitable for use in constrained spaces.

Maximum Input Voltage: 6 V

Supports a maximum input voltage of 6 V, which ensures compatibility with standard power supplies, reducing design complexity.

Maximum Input Voltage Absolute: 6 V

Having a defined absolute maximum input voltage protects the device from damage, enhancing overall reliability in designs.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LDS3985M20R 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:

.007 %

Maximum Load Regulation:

.0598 %

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:

2.075 V

Minimum Output Voltage-1:

1.925 V

Nominal Output Voltage-1:

2 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

LDS3985M20R 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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