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    STEVAL-ISA093V1

    NRND

    3 A step-down switching power supply demonstration board based on the L7981 (QFN)
    Learn More about STEVAL-ISA093V1

    Quantity $ per Unit Savings
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    In stock
    $31.24
    Parameter NameParameter Value
    Target ApplicationDC-DC Topologies
    Core ProductL7981
    Input Voltage Min Volt4.5
    Input Voltage Max Volt28.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeNot Applicable
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameCARD

    The STEVAL-ISA093V1 is a step-down switching power supply based on STMicroelectronics’ L7981 switching regulator in a QFN 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.

    Key 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