STEVAL-ISA202V1

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Design Win

1.5 A step down switching regulator (VIN = 8 to 55 V) based on L4971

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Product overview

Description

The STEVAL-ISA202V1 product evaluation board provides a platform for evaluation of the L4971, a 1.5 A asynchronous step-down power switching regulator with zero load current operation capability.

Based on the selection of the external components, the device can operate in the entire input voltage range of 8 V < VIN < 55 V. The output voltage is limited by the voltage rating of the output capacitor, so it can be adjusted within the 3.3 V < VOUT < 30 V range through voltage divider R2, R3.

The input and output capacitors are capable of sustaining the RMS current within the operating range.

  • All features

    • Input voltage range: 8 V to 55 V
    • Output voltage: 5.1 V ± 3% (line, load and thermal)
    • Output ripple: less than 51 mV
    • Output current range: up to 1.5 A
    • Max output ripple current: 30%
    • Current limit: 2.5 A typ.
    • Switching frequency: 200 kHz
    • RoHS compliant

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA202V1
Active
CARD Industrial Ecopack2 -

STEVAL-ISA202V1

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

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STEVAL-ISA202V1 Available at distributors

Distributor availability of STEVAL-ISA202V1

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L4971
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ST EAR99 NEC ITALY -

STEVAL-ISA202V1 Active

ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

STEVAL-ISA202V1

Core Product:

L4971

Supplier:

ST

ECCN (EU):

NEC

Country of Origin:

ITALY

Board production status:

-

Distributor Name

Distributor reported inventory date:

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(*) 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