STEVAL-ISA094V1

Active

3 A step-down switching power supply demonstration board based on the L7981 (HSOP8)

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Product overview

Description

The STEVAL-ISA094V1 is a step-down switching power supply based on STMicroelectronics’ L7981 switching regulator in an HSOP8 package. The L7981 features an embedded power MOSFET and is capable of delivering up to 3 A of current to the load, depending on the application conditions.
The input voltage can range from 4.5 V to 28 V, while the output voltage can be set from 0.6 V to VIN.
Requiring a minimum number of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.
  • All features

    • 3 A DC output current
    • 4.5 V to 28 V input voltage
    • Output voltage adjustable from 0.6 V
    • 250 kHz switching frequency, programmable up to 1 MHz
    • Internal soft-start and enable
    • Low dropout operation: 100% duty cycle
    • Voltage feed-forward
    • Zero load current operation
    • Overcurrent and thermal protection
    • RoHS compliant

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Related Applications

Industrial

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA094V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA094V1

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.

Sample & Buy

Part Number
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Core Product
Marketing Status
Supplier
ECCN (US)
ECCN (EU)
Country of Origin
Board production status
Budgetary Price (US$)*/Qty
STEVAL-ISA094V1 Available at 5 distributors

Distributor availability ofSTEVAL-ISA094V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 19 1 Order Now
RS COMPONENTS EUROPE 7 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now
MOUSER WORLDWIDE 20 1 Order Now
Farnell Element14 EUROPE 6 1 Order Now

Distributor reported inventory date: 2021-05-05

Distributor Name

DIGIKEY

Stock

19

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

7

Min.Order

1

Region

EUROPE Order Now

P&S

Stock

1

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

20

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-05

Buy Direct L7981A
Active
- EAR99 NEC ITALY - 33.0 / 1

STEVAL-ISA094V1

Core Product

L7981A

Marketing Status

Active

Budgetary Price (US$)*/Qty

33.0 / 1

Distributor availability ofSTEVAL-ISA094V1

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 19 1 Order Now
RS COMPONENTS EUROPE 7 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now
MOUSER WORLDWIDE 20 1 Order Now
Farnell Element14 EUROPE 6 1 Order Now

Distributor reported inventory date: 2021-05-05

Distributor Name

DIGIKEY

Stock

19

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

7

Min.Order

1

Region

EUROPE Order Now

P&S

Stock

1

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

20

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-05-05

Supplier

-

ECCN (US)

EAR99

ECCN (EU)

NEC

Budgetary Price (US$)* / Qty

33.0 / 1

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