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LD3985G27R

STMicroelectronics

LD3985G27R by STMicroelectronics

LD3985G27R from STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 2.7 V and a max output current of 150 mA. It features an ultra-low dropout voltage of just 0.1 V and operates in temperatures ranging from -40 °C to 125 °C, making it ideal for compact electronic applications. Its small outline package ensures efficient surface mounting in space-constrained designs.

Median Price

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Lifecycle Status

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4

In-Stock Inventory

1k+

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Digiode

USA . 4,644 parts In-Stock

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ACDS - Activité Composants Distribution Service

France . 2,975 parts In-Stock

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2,975

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Vyrian

USA . 2,182 parts In-Stock

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Anansix

USA . 2,052 parts In-Stock

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Advanced Electronics

New Zealand . 98 parts In-Stock

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$1.311

100+ parts

$1.298

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$1.245

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98

$1.311

$1.298

$1.245

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Microchip USA

USA . 185 parts In-Stock

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$5.214

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185

$5.214

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IDEA Electronic Components Group

UK . 1,942 parts In-Stock

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$5.622

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$5.060

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1,942

$5.622

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$5.060

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MKK Technologies

India . 949 parts In-Stock

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$10.572

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949

$10.572

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DigiPath Technology Company

USA . 949 parts In-Stock

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$10.572

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949

$10.572

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AZTECH Wire

Italy . 851 parts In-Stock

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$19.440

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851

$19.440

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Component Stockers USA

USA . 347 parts In-Stock

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$99.990

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Perfect Parts

USA . 6,664 parts In-Stock

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Corphita

USA . 3,620 parts In-Stock

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Cyclops Electronics Ltd (Excess)

UK . 2,975 parts In-Stock

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Glotronic Ltd.

UK . 2,380 parts In-Stock

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A-Z Elektronik GmbH

Germany . 1,800 parts In-Stock

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Vigor

Singapore . 1,656 parts In-Stock

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Alle Elektronik GmbH

Germany . 1,200 parts In-Stock

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1,200

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Parana Technologies

USA . 1,111 parts In-Stock

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$6.722

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$6.722

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Overview

Elevate your designs with the LD3985G27R from STMicroelectronics, a leading name in semiconductor innovation. This reliable LDO regulator ensures stable performance even in extreme conditions, making it perfect for automotive, industrial, and consumer applications. With its slim profile and low dropout voltage, it delivers efficiency without compromising on quality. Trust in ST's commitment to excellence and enjoy peace of mind while powering your projects with unmatched reliability.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The plastic/epoxy construction ensures durability and reliability, making it suitable for various applications.

Maximum Dropout Voltage: 1.1 V

A low maximum dropout voltage allows for efficient operation with minimal voltage loss, enhancing performance in battery-powered devices.

Surface Mount: YES

The surface mount capability facilitates easier integration into compact circuit designs, improving space efficiency.

Operating Temperature (TJ-Max): 125 °C

The high maximum operating temperature ensures reliable performance under extreme conditions, making it suitable for a wide range of environments.

Technology: BICMOS

The BICMOS technology combines the advantages of bipolar and CMOS processes, resulting in better performance and lower power consumption.

Package Shape: RECTANGULAR

The rectangular package shape aids in space-saving design while maintaining good thermal performance.

Terminal Form: GULL WING

Gull wing terminals provide excellent soldering surface area for improved reliability in connections, minimizing failure rates.

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

The low minimum operating temperature enables the product to function in harsh cold environments without performance degradation.

Packing Method: TR

Tape and reel packing allows for efficient handling and automated assembly, streamlining manufacturing processes.

Minimum Output Voltage: 2.619 V

A low minimum output voltage expands compatibility with a variety of applications that require specific low voltage levels.

Maximum Voltage Tolerance: 3 %

A voltage tolerance of 3% ensures stable performance of the regulator, maintaining circuit integrity under varying conditions.

Nominal Output Voltage: 2.7 V

The nominal output voltage is suitable for many digital circuits, providing a reliable power source for numerous applications.

No. of Terminals: 5

Five terminals offer a balanced design for inputs and outputs, allowing for versatile applications in fixed positive regulation.

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

The small outline and thin profile save board space, making it ideal for use in compact electronics.

Adjustability: FIXED

A fixed output simplifies circuit design, allowing for straightforward implementation in most applications.

Terminal Pitch: 0.95 mm

The small terminal pitch allows for high-density mounting on PCBs, optimizing board layout.

Maximum Line Regulation: 0.00756 %

Exceptional line regulation ensures constant output voltage even with input voltage fluctuations, enhancing overall circuit reliability.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

As a fixed positive output LDO regulator, it is specifically designed for low-dropout applications, optimizing power efficiency.

Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au)

The high-quality terminal finish enhances corrosion resistance, ensuring long-lasting performance and reliability.

Terminal Position: DUAL

Dual terminal positioning facilitates straightforward mounting and reduces complexity in design.

Maximum Output Voltage: 2.781 V

The efficient output voltage offers compatibility with a variety of components that operate within this voltage range.

Maximum Seated Height: 1.1 mm

The low seated height is advantageous in compact designs where space is at a premium, allowing for more compact assembly.

Width: 1.6 mm

A narrow width ensures that this LDO can fit into tight spaces on a PCB while still providing reliable power output.

Maximum Load Regulation: 0.0201 %

Low load regulation guarantees consistent voltage output even with changing loads, enhancing stability for sensitive electronics.

Minimum Input Voltage: 2.5 V

A low minimum input voltage requirement makes this regulator ideal for applications with lower input voltage sources.

Maximum Output Current: 0.15 A

The capacity to handle up to 150 mA of output current makes it suitable for low to moderate power applications.

Maximum Time At Peak Reflow Temperature: 30 s

The optimized reflow temperature and duration ensure that the product can withstand soldering processes without degradation.

Peak Reflow Temperature: 260 °C

A high peak reflow temperature indicates robust construction, allowing for compatibility with modern PCB assembly techniques.

Nominal Dropout Voltage: 0.06 V

A very low nominal dropout voltage enhances efficiency, allowing the regulator to operate effectively even in low-voltage situations.

Length: 2.9 mm

Compact length aids in fitting this LDO into space-constrained circuits easily without compromising performance.

Maximum Input Voltage: 6 V

A relatively high maximum input voltage allows it to accommodate a wider range of linear power supplies.

Maximum Input Voltage Absolute: 6 V

The absolute maximum input limit provides clear operational boundaries, ensuring circuit safety and preventing damage.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD3985G27R attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.1 V

Nominal Dropout Voltage-1:

.06 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:

e4

Length:

2.9 mm

Maximum Line Regulation:

.00756 %

Maximum Load Regulation:

.0201 %

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:

.15 A

Maximum Output Voltage-1:

2.781 V

Minimum Output Voltage-1:

2.619 V

Nominal Output Voltage-1:

2.7 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

TSOP5/6,.11,37

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

Packing Method:

TR

Peak Reflow Temperature (C):

260

Qualification Status:

Not Qualified

Maximum Seated Height:

1.1 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BICMOS

Terminal Finish:

Nickel/Palladium/Gold (Ni/Pd/Au)

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Maximum Voltage Tolerance:

3 %

Width:

1.6 mm

Trade Compliance

LD3985G27R 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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