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  • Key Features

    • Protection against feedback disconnection
    • and hiccup mode)
    • Thermal shutdown
    • Zero load current operation
    • Voltage feedforward
    • Up to 1A step down converter
    • Precise 5.1V reference voltage
    • Operating input voltage from 8v to 55v
    • Switching frequency adjustable up to 300kHz
    • Internal current limiting (pulse-bypulse
    • Output voltage adjustable from 0.5V to 50V

Circuit Diagram

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Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
L4976 DIP-8 Tube
Active
1.729 10000 EAR99 MALAYSIA Check Availability

Distributor availability ofL4976

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 703 0 Order Now
MOUSER WORLDWIDE 100 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

ARROW

Stock

703

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-19

Get sample
L4976D SO-16W Tube
Active
1.788 10000 EAR99 MALAYSIA Check Availability

Distributor availability ofL4976D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 41 1 Order Now
Newark Element14 AMERICA 298 0 Order Now
MOUSER WORLDWIDE 253 1 Order Now
Farnell Element14 EUROPE 1 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

DIGIKEY

Stock

41

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

298

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

253

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-19

Buy now
L4976D013TR SO-16W Tape And Reel
Active
1.788 10000 EAR99 MALAYSIA Check Availability

Distributor availability ofL4976D013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 100 1 Order Now
MOUSER WORLDWIDE 1991 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1991

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-19

Get sample

L4976

Package

DIP-8

Packing Type

Tube

Unit Price (US$)

1.729*

Distributor availability ofL4976

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 703 0 Order Now
MOUSER WORLDWIDE 100 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

ARROW

Stock

703

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-19

Marketing Status

Active

Unit Price (US$)

1.729

Quantity

10000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L4976D

Package

SO-16W

Packing Type

Tube

Unit Price (US$)

1.788*

Distributor availability ofL4976D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 41 1 Order Now
Newark Element14 AMERICA 298 0 Order Now
MOUSER WORLDWIDE 253 1 Order Now
Farnell Element14 EUROPE 1 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

DIGIKEY

Stock

41

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

298

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

253

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-07-19

Marketing Status

Active

Unit Price (US$)

1.788

Quantity

10000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L4976D013TR

Package

SO-16W

Packing Type

Tape And Reel

Unit Price (US$)

1.788*

Distributor availability ofL4976D013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 100 1 Order Now
MOUSER WORLDWIDE 1991 1 Order Now

Distributor reported inventory date: 2019-07-19

Distributor Name

DIGIKEY

Stock

100

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1991

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-07-19

Marketing Status

Active

Unit Price (US$)

1.788

Quantity

10000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Technical Documentation

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      1A step down switching regulator
      7.2
      253.64 KB
      PDF
      DS1411

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    • Description Version Size Action
      DN0011
      ST1S03 alternative topology: Using a buck in a negative buck-boost configuration
      1.2
      361.3 KB
      PDF
      DN0011

      ST1S03 alternative topology: Using a buck in a negative buck-boost configuration

Publications and Collaterals

    • Description Version Size Action
      Electric vehicle (EV) ecosystem 1.1
      1.28 MB
      PDF
      Switching Converters (DC-DC) – Quick Reference Guide 1.0
      481.92 KB
      PDF

      Electric vehicle (EV) ecosystem

      Switching Converters (DC-DC) – Quick Reference Guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L4976
Active
DIP-8 Industrial Ecopack2 (**)
L4976D
Active
SO-16W Industrial Ecopack1
L4976D013TR
Active
SO-16W Industrial Ecopack1

L4976

Package:

DIP-8

Material Declaration**:

Marketing Status

Active

Package

DIP-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

L4976D

Package:

SO-16W

Material Declaration**:

Marketing Status

Active

Package

SO-16W

Grade

Industrial

RoHS Compliance Grade

Ecopack1

L4976D013TR

Package:

SO-16W

Material Declaration**:

Marketing Status

Active

Package

SO-16W

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.