EV1542DK-00A 5V, 2A 700KHz/1.3MHz Boost Converter MSOP-8
EV1542DK-00A 5V, 2A 700KHz/1.3MHz Boost Converter MSOP-8

EV1542DK-00A 5V, 2A 700KHz/1.3MHz Boost Converter MSOP-8

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pMPS EV1542DK-00A — 700KHz/1.3MHz Boost Converter, 5V input, 2 A output, MSOP-8./p
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    EV1542DK-00A 5V, 2A 700KHz/1.3MHz Boost Converter MSOP-8

    The MPS EV1542DK-00A is a 700KHz/1.3MHz Boost Converter. It accepts up to 5 V at the input, is rated for 2 A and switches at 1.3 MHz. It is supplied in a MSOP-8 package.

    The EV1542DK-00A is the evaluation board for the MP1542, a current mode step-up converter with a 2A, 0.18Ω internal switch to provide a highly efficient regulator with quick response.

    Key Specifications

    Part NumberEV1542DK-00A
    Function700KHz/1.3MHz Boost Converter
    Input Voltageup to 5 V
    Output Voltage6 V
    Current Rating2 A
    Switching Frequency1.3 MHz
    PackageMSOP-8
    Ordering CodesEV1542DK-00A

    Features

    • 2A, 0.18Ω, 25V Power MOSFET
    • Uses Tiny Capacitors and Inductors
    • Pin Selectable 700KHz or 1.3MHz Fixed Switching Frequency
    • Programmable Soft-Start
    • Operates with Input Voltage as Low as 2.5V and Output Voltage as High as 22V
    • 12V at 500mA from 5V Input
    • UVLO, Thermal Shutdown
    • Internal Current Limit
    • Available in an 8-Pin MSOP Package

    Typical Application Circuit

    EV1542DK-00A typical application circuit
    EV1542DK-00A typical application circuit, as published in the MPS datasheet.

    Design Notes

    • Size the inductor for the ripple current at the actual switching frequency, typically 30% of the DC load — not for the DC rating alone.
    • The hot loop from input capacitor through the switch to ground sets conducted EMI. Keep that copper area as small as the layout allows.
    • Output ripple is set by the capacitor ESR and its DC-bias derating; a 10 µF ceramic often behaves like 4 µF at the rated output voltage.
    • Route the feedback divider from the output capacitor terminals, away from the switch node.

    Common Questions

    What input voltage does the EV1542DK-00A support?
    Up to 5 V. The rated output is 2 A.
    Which package and ordering codes apply to the EV1542DK-00A?
    MSOP-8; order codes include EV1542DK-00A.
    What are the defining features of the EV1542DK-00A?
    2A, 0.18Ω, 25V Power MOSFET Uses Tiny Capacitors and Inductors

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