STEVAL-ISA146V1

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4 A step-down switching evaluation board based on the ST1S50

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  • The STEVAL-ISA146V1 is a product evaluation board used to evaluate the ST1S50, a 500 kHz fixed-frequency PWM synchronous step-down regulator. The ST1S50 operates from a 4.0 V to 18 V input, while it regulates an output voltage as low as 0.8 V and up to 0.88 x VIN.

    Key Features

    • 4 A output current
    • 4.0 V to 18 V input voltage
    • Output voltage adjustable from 0.8 V to 0.88 x VIN
    • 500 kHz switching frequency
    • High efficiency at light load
    • Programmable soft-start and enable
    • Integrated 95 mW and 69 mW power MOSFETs
    • All ceramic capacitor
    • Power Good
    • Cycle-by-cycle current limiting
    • Short-circuit protection
    • Hysteretical thermal shutdown
    • RoHS compliant

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Part Number
Core Product
Marketing Status
ECCN (US)
Country of Origin
Board production status
Budgetary Price (US$)*/Qty
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STEVAL-ISA146V1 ST1S50
Active
EAR99 ITALY - 42.0 / 1 Buy now Check Availability

Distributor availability ofSTEVAL-ISA146V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4 1 Order Now
COMPEL EUROPE 3 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 2 1 Order Now

Distributor reported inventory date: 2020-06-02

Distributor Name

DIGIKEY

Stock

4

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

3

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

2

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-02

STEVAL-ISA146V1

Core Product

ST1S50

Marketing Status

Active

Budgetary Price (US$)*/Qty

42.0 / 1

Distributor availability ofSTEVAL-ISA146V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4 1 Order Now
COMPEL EUROPE 3 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 2 1 Order Now

Distributor reported inventory date: 2020-06-02

Distributor Name

DIGIKEY

Stock

4

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

3

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

2

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-02

Budgetary Price (US$)* / Qty

42.0 / 1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

-

(*) 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

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB2291
      4 A step-down switching evaluation board based on the ST1S50
      1.0
      111.99 KB
      PDF
      DB2291

      4 A step-down switching evaluation board based on the ST1S50

Hardware Resources

    • Description Version Size Action
      STEVAL-ISA146V1 gerber files 1.0
      653 KB
      ZIP

      STEVAL-ISA146V1 gerber files

    • Description Version Size Action
      STEVAL-ISA146V1 BOM 3.0
      36.04 KB
      PDF

      STEVAL-ISA146V1 BOM

    • Description Version Size Action
      STEVAL-ISA146V1 schematics 3.0
      72.07 KB
      PDF

      STEVAL-ISA146V1 schematics

Publications and Collaterals

    • Description Version Size Action
      eDesignSuite-The smart way to design your application 1.0
      842.88 KB
      PDF

      eDesignSuite-The smart way to design your application

Legal

    • Description Version Size Action
      Terms of use 1.7
      57.54 KB
      PDF

      Terms of use

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA146V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA146V1

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

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.