L5972D

Active
Education

2A switch step down switching regulator

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Documentation
CAD Resources
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Quality & Reliability
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Product overview

Description

The L5972D is a step down monolithic power switching regulator with a minimum switch current limit of 2A so it is able to deliver more than 1.5A DC current to the load depending on the application conditions. The output voltage can be set from 1.235V to 35V.
The device uses an internal P-Channel D-MOS transistor (with a typical Rdson of 250mΩ) as switching element to minimize the size of the external components.
An internal oscillator fixes the switching frequency at 250kHz.
Having a minimum input voltage of 4.4V only, it is particularly suitable for 5V bus, available in all computer related applications.
Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.
  • All features

    • Thermal shutdown
    • Protection against feedback disconnection
    • Zero load current operation
    • Voltage feedforward
    • 2A internal switch
    • Output voltage adjustable from 1.235V to 35V
    • Operating input voltage from 4.4V to 36V
    • 250kHz Internally fixed frequency
    • Internal current limiting
    • Low dropout operation: 100% duty cycle

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All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      EVAL5972D

      NRND

      L5972D Up to 2A Step Down Switching Regulator Evaluation Board

      PSU and Converter Solution Eval Boards --
      EVAL5972D

      Description:

      L5972D Up to 2A Step Down Switching Regulator Evaluation Board

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L5972D

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Footprints

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3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L5972D
Active
SO-8 Industrial Ecopack2
L5972D013TR
Active
SO-8 Industrial Ecopack2

L5972D

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L5972D013TR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) 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.

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L5972D Available at 6 distributors

Distributor availability ofL5972D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1259 1 Order Now
RS COMPONENTS EUROPE 896 5 Order Now
Newark Element14 AMERICA 3716 0 Order Now
MOUSER WORLDWIDE 110 1 Order Now
Farnell Element14 EUROPE 14841 1 Order Now
ANGLIA Live EUROPE 2129 1 Order Now

Distributor reported inventory date: 2021-09-16

Distributor Name

DIGIKEY

Stock

1259

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

896

Min.Order

5

Region

EUROPE Order Now

Newark Element14

Stock

3716

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

110

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

14841

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

2129

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-09-16

Buy Direct
Active
EAR99 NEC Tube SO-8 -40 150 CHINA 1.1 / 1k
L5972D013TR Available at 2 distributors

Distributor availability ofL5972D013TR

Distributor Name
Region Stock Min. Order Third party link
Newark Element14 AMERICA 2500 0 Order Now
MOUSER WORLDWIDE 110 1 Order Now

Distributor reported inventory date: 2021-09-16

Distributor Name

Newark Element14

Stock

2500

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

110

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2021-09-16

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 -40 150 CHINA 1.1 / 1k

L5972D

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.1 / 1k

Distributor availability ofL5972D

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1259 1 Order Now
RS COMPONENTS EUROPE 896 5 Order Now
Newark Element14 AMERICA 3716 0 Order Now
MOUSER WORLDWIDE 110 1 Order Now
Farnell Element14 EUROPE 14841 1 Order Now
ANGLIA Live EUROPE 2129 1 Order Now

Distributor reported inventory date: 2021-09-16

Distributor Name

DIGIKEY

Stock

1259

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

896

Min.Order

5

Region

EUROPE Order Now

Newark Element14

Stock

3716

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

110

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

14841

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

2129

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-09-16

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

1.1 / 1k

Country of Origin

CHINA

L5972D013TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.1 / 1k

Distributor availability ofL5972D013TR

Distributor Name
Region Stock Min. Order Third party link
Newark Element14 AMERICA 2500 0 Order Now
MOUSER WORLDWIDE 110 1 Order Now

Distributor reported inventory date: 2021-09-16

Distributor Name

Newark Element14

Stock

2500

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

110

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2021-09-16

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

1.1 / 1k

Country of Origin

CHINA

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