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LD3985J18R

STMicroelectronics

LD3985J18R by STMicroelectronics

LD3985J18R by STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 1.8 V and a max output current of 0.15 A. It operates efficiently in temperatures from -40 °C to 125°C, featuring a low dropout voltage of just 0.1 V. Ideal for compact applications, it comes in a very thin profile package suitable for surface mounting.

Median Price

$0.438

Lifecycle Status

Suppliers In-Stock

8

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 5,000 parts In-Stock

1+ parts

$0.402

100+ parts

-

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5,000

$0.402

-

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Chip1Stop

Japan . 5,000 parts In-Stock

1+ parts

$0.775

100+ parts

-

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5,000

$0.775

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Verical

USA . 5,000 parts In-Stock

1+ parts

-

100+ parts

$0.402

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-

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5,000

-

$0.402

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DigiKey

USA . 294 parts In-Stock

1+ parts

-

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$0.473

294

-

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-

$0.473

Distributors (In-Stock)

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Digiode

USA . 3,961 parts In-Stock

1+ parts

$0.382

100+ parts

-

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3,961

$0.382

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Vyrian

USA . 7,515 parts In-Stock

1+ parts

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7,515

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Elcom Components

USA . 3,850 parts In-Stock

1+ parts

-

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3,850

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Anansix

USA . 1,471 parts In-Stock

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-

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1,471

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Distributors (Availability)

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

Corphita

USA . 553 parts In-Stock

1+ parts

$0.362

100+ parts

-

1k+ parts

-

10k+ parts

-

553

$0.362

-

-

-

Component Stockers USA

USA . 7,910 parts In-Stock

1+ parts

$0.400

100+ parts

$0.400

1k+ parts

$0.400

10k+ parts

-

7,910

$0.400

$0.400

$0.400

-

Vigor

Singapore . 10,000 parts In-Stock

1+ parts

$1.160

100+ parts

-

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-

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-

10,000

$1.160

-

-

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Microchip USA

USA . 181 parts In-Stock

1+ parts

$4.872

100+ parts

-

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181

$4.872

-

-

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IDEA Electronic Components Group

UK . 399 parts In-Stock

1+ parts

$7.444

100+ parts

-

1k+ parts

$6.699

10k+ parts

-

399

$7.444

-

$6.699

-

MKK Technologies

India . 1,127 parts In-Stock

1+ parts

$13.997

100+ parts

-

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1,127

$13.997

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DigiPath Technology Company

USA . 1,127 parts In-Stock

1+ parts

$13.997

100+ parts

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1,127

$13.997

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QUARKTWIN TECHNOLOGY LTD

USA . 18,171 parts In-Stock

1+ parts

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18,171

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Kepictronics

USA . 13,274 parts In-Stock

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13,274

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Authorized Procurement Solutions

USA . 10,000 parts In-Stock

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10,000

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Metaverse IC Inc.

Canada . 6,000 parts In-Stock

1+ parts

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6,000

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Perfect Parts

USA . 2,040 parts In-Stock

1+ parts

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2,040

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A-Z Elektronik GmbH

Germany . 1,650 parts In-Stock

1+ parts

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1,650

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Alle Elektronik GmbH

Germany . 1,100 parts In-Stock

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1,100

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Parana Technologies

USA . 235 parts In-Stock

1+ parts

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100+ parts

$8.900

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235

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$8.900

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Overview

Elevate your designs with the LD3985J18R from STMicroelectronics, a leader in innovative semiconductor solutions. This fixed positive LDO regulator ensures reliable performance with minimal dropout voltage, making it ideal for power-sensitive applications across consumer electronics, automotive systems, and industrial devices. Enjoy peace of mind knowing you're backed by ST's renowned quality and commitment to excellence, enhancing energy efficiency while reducing design complexity.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material ensures durability and resilience, making this LDO suitable for various environmental conditions.

Maximum Dropout Voltage: 1.1 V

A low maximum dropout voltage means it maintains consistent performance even with minimal input-output voltage differential, improving efficiency.

Surface Mount: YES

Surface mount capability allows for compact and efficient PCB design, saving valuable space in electronic devices.

Operating Temperature (TJ-Max): 125 °C

With a high maximum operating temperature, this product can function reliably in demanding thermal conditions.

Technology: BICMOS

The BICMOS technology offers excellent performance characteristics, providing both high speed and low power consumption.

Package Shape: RECTANGULAR

The rectangular package shape enables efficient use of board real estate and aids in thermal management.

Terminal Form: BALL

Ball terminals ensure reliable solder joints and strong electrical connections, enhancing overall product reliability.

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

The wide operating temperature range allows this LDO to be used in extreme environments, making it versatile for various applications.

Packing Method: TR

The TR packing method ensures the LDO is protected during transport and handling, reducing the risk of damage.

Minimum Output Voltage: 1.725 V

A minimum output voltage of 1.725 V ensures compatibility with low voltage digital circuits.

Maximum Voltage Tolerance: 4 %

The 4% voltage tolerance implies precise voltage regulation, which is critical for sensitive electronic applications.

Nominal Output Voltage: 1.8 V

The nominal output voltage of 1.8 V is ideal for powering modern low-voltage devices, enhancing compatibility.

No. of Terminals: 5

Five terminals provide necessary connectivity options for versatility in circuit design.

Package Style (Meter): GRID ARRAY, VERY THIN PROFILE, FINE PITCH

The thin profile and fine pitch maximize layout flexibility, allowing integration into space-constrained designs.

Adjustability: FIXED

Fixed output voltage simplifies design and ensures stable operation without the need for external components.

Terminal Pitch: 0.5 mm

A 0.5 mm terminal pitch allows for high-density layouts, accommodating modern compact circuit board designs.

Maximum Line Regulation: 0.0063%

Exceptional line regulation ensures minimal output voltage variation despite changes in input voltage, improving performance.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

As a fixed positive single output LDO, it provides reliable voltage output, making it suitable for various applications requiring consistent power.

Terminal Finish: TIN SILVER COPPER

The high-quality terminal finish enhances solderability and reduces the risk of corrosion, ensuring longevity.

Terminal Position: BOTTOM

Bottom terminal positioning aids in effective thermal dissipation, increasing reliability during operation.

Maximum Output Voltage: 1.875 V

The maximum output voltage of 1.875 V allows flexibility in powering various components and circuits.

Maximum Seated Height: 0.965 mm

The low seated height is advantageous for low-profile designs, essential in modern slim devices.

Width: 1.19 mm

The narrow width makes it ideal for compact layouts, accommodating tight spacing on the PCB.

Minimum Input Voltage: 2.5 V

A minimum input voltage of 2.5 V allows compatibility with a wide range of supply voltages.

Maximum Output Current: 0.15 A

With a maximum output current of 0.15 A, it can adequately power various low to moderate power devices.

Nominal Dropout Voltage: 0.06 V

The very low nominal dropout voltage signifies excellent performance in power efficiency, particularly in battery-operated applications.

Length: 1.54 mm

This compact length allows the LDO to fit easily into tight circuit layouts while maintaining performance.

Maximum Input Voltage: 6 V

A maximum input voltage of 6 V provides a wide operating range for powering various applications.

Maximum Input Voltage Absolute: 6 V

The absolute input voltage specification ensures reliable operation within safe limits, preventing device damage.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD3985J18R 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-PBGA-B5

JESD-609 Code:

e1

Length:

1.54 mm

Maximum Line Regulation:

.0063 %

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:

1.875 V

Minimum Output Voltage-1:

1.725 V

Nominal Output Voltage-1:

1.8 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

BGA5,3X3,17/10

Package Shape:

RECTANGULAR

Package Style (Meter):

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

Packing Method:

TR

Qualification Status:

Not Qualified

Maximum Seated Height:

.965 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BICMOS

Terminal Finish:

TIN SILVER COPPER

Terminal Form:

Terminal Pitch:

.5 mm

Terminal Position:

BOTTOM

Maximum Voltage Tolerance:

4 %

Width:

1.19 mm

Trade Compliance

LD3985J18R 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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