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L4947H

STMicroelectronics

L4947H by STMicroelectronics

L4947H by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 5V and a max load current of 0.5A. It operates in temperatures from -40 °C to 125°C, ensuring reliability in various applications. With a max dropout voltage of 0.75V, it’s ideal for efficient power management.

Median Price

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Lifecycle Status

Suppliers In-Stock

6

In-Stock Inventory

1k+

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Vyrian

USA . 8,918 parts In-Stock

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Digiode

USA . 3,803 parts In-Stock

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Anansix

USA . 1,894 parts In-Stock

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LIBRA Elektronik GmbH

Germany . 152 parts In-Stock

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Velocity Electronics

USA . 17 parts In-Stock

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Bristol Electronics

USA . 1 parts In-Stock

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Microchip USA

USA . 319 parts In-Stock

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$2.319

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319

$2.319

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IDEA Electronic Components Group

UK . 429 parts In-Stock

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$7.862

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$7.076

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429

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$7.076

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MKK Technologies

India . 1,278 parts In-Stock

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$14.785

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$14.785

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DigiPath Technology Company

USA . 1,278 parts In-Stock

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$14.785

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$14.785

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AZTECH Wire

Italy . 994 parts In-Stock

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$17.210

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994

$17.210

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Component Stockers USA

USA . 406 parts In-Stock

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$99.990

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A-Z Elektronik GmbH

Germany . 5,256 parts In-Stock

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Vigor

Singapore . 5,000 parts In-Stock

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Alle Elektronik GmbH

Germany . 3,504 parts In-Stock

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Parana Technologies

USA . 1,935 parts In-Stock

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$9.401

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Corphita

USA . 1,764 parts In-Stock

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Kepictronics

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Assy Fe

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Overview

Experience reliability and performance with the L4947H from STMicroelectronics, a leader in semiconductor innovation. This fixed positive LDO regulator excels in delivering stable output for diverse applications, ensuring efficiency even in challenging conditions. With a wide operating temperature range and robust design, it’s perfect for automotive, industrial, and consumer electronics. Trust STMicroelectronics to enhance your projects with unmatched quality and precision!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The plastic/epoxy body material provides durability and resistance to environmental factors, making it suitable for various applications.

Maximum Dropout Voltage: 0.75 V

A low maximum dropout voltage ensures efficient voltage regulation, allowing the regulator to maintain output even with a small difference between input and output voltages.

Operating Temperature (TJ-Max): 125 °C

The high maximum operating temperature means the regulator can function reliably in demanding environments without overheating.

Technology: BIPOLAR

Bipolar technology typically offers better noise performance and stability, making it ideal for sensitive applications.

Package Shape: RECTANGULAR

The rectangular package shape provides efficient space utilization on PCB designs, allowing for compact layouts.

Terminal Form: THROUGH-HOLE

Through-hole terminals ensure robust mechanical connections, providing enhanced stability in high-vibration environments.

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

With a low minimum operating temperature, this product can function effectively in cold environments, ensuring reliable performance in various conditions.

Minimum Output Voltage: 4.8 V

The minimum output voltage offers flexibility in applications requiring precise voltage levels, ensuring compatibility with a wide range of devices.

Maximum Voltage Tolerance: 2 %

A maximum voltage tolerance of 2% enhances the regulator's reliability, ensuring consistent performance under varying load conditions.

Nominal Output Voltage: 5 V

The standard 5V output is widely used in electronics, making this LDO suitable for numerous applications, from consumer electronics to industrial equipment.

No. of Terminals: 5

With 5 terminals, this regulator allows for flexible wiring configurations, making it easier to design into various circuit layouts.

Package Style (Meter): FLANGE MOUNT

The flange mount style provides added stability and ease of mounting, ideal for applications where secure positioning is critical.

Adjustability: FIXED

A fixed output simplifies design requirements, reducing the risk of incorrect configurations and improving reliability.

Maximum Operating Temperature: 125 °C

Rated for high temperatures, this regulator can perform reliably in harsh thermal environments, making it suitable for demanding applications.

Terminal Pitch: 1.7 mm

The 1.7 mm terminal pitch strikes a balance between compactness and ease of soldering, facilitating integration into various PCB layouts.

Maximum Line Regulation: 0.05 %

Excellent line regulation indicates that output voltage remains stable even with fluctuations in input voltage, ensuring consistent performance.

Minimum Operating Temperature: -40 °C

This wide operating temperature range ensures that the regulator can function reliably in extreme cold conditions, increasing its versatility.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

The fixed positive single output design is ideal for powering low-voltage devices, making it a practical choice for various electronic applications.

Terminal Position: ZIG-ZAG

Zig-zag terminal positioning offers flexibility in PCB design, allowing for a more organized layout that can enhance circuit efficiency.

Maximum Output Voltage: 5.2 V

The capability to output up to 5.2 V provides a margin of safety and versatility for powering devices that may require slightly higher voltages.

Maximum Load Regulation: 0.06 %

Outstanding load regulation ensures that output voltage remains stable under load variations, improving the performance of connected devices.

Minimum Input Voltage: 6 V

The minimum input voltage requirement allows for greater flexibility in power supply choices, accommodating various input scenarios.

Maximum Output Current: 0.5 A

A maximum output current of 0.5 A is suitable for low to moderate power applications, making it versatile for a wide array of devices.

Nominal Dropout Voltage: 0.75 V

Consistently low dropout voltage improves efficiency, enabling the regulator to maintain output with minimal power loss.

Maximum Input Voltage: 26 V

A high maximum input voltage allows for flexible input options, accommodating various power supply configurations.

Maximum Input Voltage Absolute: 35 V

The absolute maximum input voltage provides an additional safety margin, protecting the regulator from unexpected voltage spikes.

Technical Specifications

Fixed Regulators - Positive Single Output LDO L4947H attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.75 V

Nominal Dropout Voltage-1:

.75 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

26 V

Minimum Input Voltage:

6 V

JESD-30 Code:

R-PZFM-T5

Maximum Line Regulation:

.05 %

Maximum Load Regulation:

.06 %

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 Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

Maximum Output Current-1:

.5 A

Maximum Output Voltage-1:

5.2 V

Minimum Output Voltage-1:

4.8 V

Nominal Output Voltage-1:

5 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

ZIP

Package Equivalence Code:

ZIP5H,.15,.7,67TB

Package Shape:

RECTANGULAR

Package Style (Meter):

FLANGE MOUNT

Peak Reflow Temperature (C):

NOT SPECIFIED

Qualification Status:

Not Qualified

Sub-Category:

Other Regulators

Surface Mount:

NO

Technology:

BIPOLAR

Terminal Form:

Terminal Pitch:

1.7 mm

Terminal Position:

ZIG-ZAG

Maximum Time At Peak Reflow Temperature (s):

NOT SPECIFIED

Maximum Voltage Tolerance:

2 %

Trade Compliance

L4947H 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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