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L4940P12

STMicroelectronics

L4940P12 by STMicroelectronics

L4940P12 by STMicroelectronics is a fixed positive LDO regulator with a nominal output of 12V and max current of 1.5A. It operates in -40 °C to 150 °C, featuring a low dropout voltage of 0.9V. Ideal for stable power supply in various electronic applications.

Median Price

-

Lifecycle Status

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3

In-Stock Inventory

1k+

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Vyrian

USA . 862 parts In-Stock

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Anansix

USA . 681 parts In-Stock

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Digiode

USA . 523 parts In-Stock

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Distributors (Availability)

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IDEA Electronic Components Group

UK . 1,103 parts In-Stock

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$5.555

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$4.999

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1,103

$5.555

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$4.999

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MKK Technologies

India . 25 parts In-Stock

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$10.446

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25

$10.446

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DigiPath Technology Company

USA . 25 parts In-Stock

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$10.446

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25

$10.446

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Parana Technologies

USA . 1,549 parts In-Stock

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$6.642

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$6.642

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Corphita

USA . 878 parts In-Stock

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878

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Overview

Unlock unparalleled reliability with the L4940P12 from STMicroelectronics, a leader in high-quality semiconductor solutions. This robust fixed regulator ensures stable performance across diverse applications, from automotive systems to industrial machinery. With exceptional line and load regulation, it delivers consistent voltage, enhancing overall system efficiency and lifespan. Trust in ST’s commitment to innovation for seamless integration and peace of mind in your projects!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material ensures durability and resistance to environmental factors, making it suitable for various applications.

Maximum Dropout Voltage: 0.9 V

A low dropout voltage allows for efficient operation, ensuring that the regulator can maintain its output voltage even with minimal input voltage overhead.

Operating Temperature (TJ-Max): 150 °C

The high maximum operating temperature allows the regulator to function reliably in demanding environments without overheating.

Technology: BIPOLAR

Bipolar technology enhances the performance and stability of the regulator, ensuring steady output under varying load conditions.

Package Shape: RECTANGULAR

The rectangular package shape is suitable for efficient space utilization on PCBs, making it versatile for different applications.

Terminal Form: THROUGH-HOLE

Through-hole terminals provide strong mechanical and electrical connections, ensuring reliability in varied operational conditions.

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

The wide operating temperature range allows the regulator to be used in extreme temperatures, expanding its application possibilities.

Minimum Output Voltage: 11.5 V

This output voltage range meets the needs of many devices requiring stable voltage supply, making it a versatile choice.

Maximum Voltage Tolerance: 4.17 %

A low voltage tolerance ensures that the product maintains a consistent output, reducing the risk of damage to sensitive components.

Nominal Output Voltage: 12 V

The nominal output of 12 V is a standard supply for many electronic applications, making it compatible with a wide range of devices.

No. of Terminals: 3

With three terminals, this regulator offers a simple and effective implementation in circuits, optimizing design and layout.

Package Style (Meter): FLANGE MOUNT

Flange mount style allows for easy mounting in enclosures, enhancing stability and ease of installation.

Adjustability: FIXED

The fixed output makes this LDO user-friendly since no additional adjustments are required after installation.

Terminal Pitch: 2.54 mm

The standard terminal pitch simplifies design and integration into existing circuitry, ensuring compatibility and ease of handling.

Maximum Line Regulation: 0.007 %

Excellent line regulation ensures that the output voltage remains stable even with variations in input voltage, enhancing the reliability of connected devices.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

This classification indicates a straightforward, low-dropout linear regulator that offers reliable performance for fixed applications.

Terminal Finish: TIN

Tin terminal finish provides good solderability and corrosion resistance, which is essential for long-term reliability.

Terminal Position: SINGLE

Single terminal position simplifies layout design, making it easier to incorporate into various printed circuit board designs.

Maximum Output Voltage: 12.5 V

This provides a buffer to the nominal output voltage, allowing for minor voltage variations while still delivering optimal performance.

Maximum Load Regulation: 0.035 %

Minimal load regulation signifies that changes in load current have little effect on output voltage, ensuring device stability.

Minimum Input Voltage: 11 V

A minimum input voltage of 11 V ensures that the regulator can operate effectively across a range of typical input conditions.

Maximum Output Current: 1.5 A

This output current capability allows the regulator to drive moderate loads, making it suitable for a variety of applications.

Peak Reflow Temperature: 245 °C

A high peak reflow temperature indicates compatibility with modern soldering techniques, making assembly easier.

Nominal Dropout Voltage: 0.5 V

A nominal dropout voltage of 0.5 V allows for efficient voltage regulation, maximizing performance in battery-operated devices.

Maximum Input Voltage: 17 V

This maximum input voltage provides flexibility in use, accommodating different power supply configurations.

Maximum Input Voltage Absolute: 30 V

With an absolute maximum input voltage of 30 V, the device is robust against voltage spikes, ensuring longevity and reliability.

Technical Specifications

Fixed Regulators - Positive Single Output LDO L4940P12 attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.9 V

Nominal Dropout Voltage-1:

.5 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

17 V

Minimum Input Voltage:

11 V

JESD-30 Code:

R-PSFM-T3

JESD-609 Code:

e3

Maximum Line Regulation:

.007 %

Maximum Load Regulation:

.035 %

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

3

Operating Temperature (TJ-Max):

150 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

1.5 A

Maximum Output Voltage-1:

12.5 V

Minimum Output Voltage-1:

11.5 V

Nominal Output Voltage-1:

12 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

SIP3,.1ISO-TB

Package Shape:

RECTANGULAR

Package Style (Meter):

FLANGE MOUNT

Peak Reflow Temperature (C):

245

Qualification Status:

Not Qualified

Sub-Category:

Other Regulators

Surface Mount:

NO

Technology:

BIPOLAR

Terminal Finish:

TIN

Terminal Form:

Terminal Pitch:

2.54 mm

Terminal Position:

SINGLE

Maximum Voltage Tolerance:

Trade Compliance

L4940P12 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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