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    📢 Limited time offer – Buy One Get One Free on Intelligent Power Switch boards. Use code DV-IPS-BOGO-12 at checkout! Order now

    ST1PS03A1QTR

    ST1PS03A1QTR

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    ST1PS03AQTR

    400 mA nano-quiescent synchronous step-down converter with digital voltage selection, Power Good and independent Load Switch

    Parameters
    Input Voltage Min Volt1.8
    Input Voltage Max Volt5.5
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameMLPQ/QFN 1.7x2.0x0.55 12L P0.4
    Description

    The ST1PS03 is a nano-quiescent miniaturized synchronous step-down converter, which is able to provide up to 400 mA output current with an input voltage ranging from 1.8 V to 5.5 V. This converter is specifically designed for applications where high efficiency, PCB size and thickness are the key...
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    Key features
    Key features
    • 500 nA input quiescent current at VIN = 3.6 V (not switching)
    • 92% typical efficiency at 10 mA load (VIN = 3.6 V, VOUT = 2.5 V)
    • 100% duty cycle
    • 1.8 V to 5.5 V input operating range
    • Undervoltage lockout: 1.57 V (VIN falling, typ.)
    • Up to 400 mA output current capability
    • Low power control operation for the best efficiency
    • Embedded soft-start circuit
    • Tiny external components: L = 2.2 µH typ.
    • Selectable output voltages: 1.6 V to 3.3 V
    • Output voltage Power Good
    • ±1.5% output voltage accuracy (VOUT, TA = 25 °C)
    • Dynamic output voltage selection (D0, D1 and D2)
    • Load switch controlled by AUX input
    • Available in TQFN12 package
    In stock
    Quantity $ per unit Savings
    1-9$1.873%
    10-20$1.2635%
    20 + Contact sales
    $1.87
    Special Price $1.87 Regular Price $1.93
    Parameters
    Input Voltage Min Volt1.8
    Input Voltage Max Volt5.5
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameMLPQ/QFN 1.7x2.0x0.55 12L P0.4
    Description

    The ST1PS03 is a nano-quiescent miniaturized synchronous step-down converter, which is able to provide up to 400 mA output current with an input voltage ranging from 1.8 V to 5.5 V. This converter is specifically designed for applications where high efficiency, PCB size and thickness are the key...
    Read More

    Key features
    Key features
    • 500 nA input quiescent current at VIN = 3.6 V (not switching)
    • 92% typical efficiency at 10 mA load (VIN = 3.6 V, VOUT = 2.5 V)
    • 100% duty cycle
    • 1.8 V to 5.5 V input operating range
    • Undervoltage lockout: 1.57 V (VIN falling, typ.)
    • Up to 400 mA output current capability
    • Low power control operation for the best efficiency
    • Embedded soft-start circuit
    • Tiny external components: L = 2.2 µH typ.
    • Selectable output voltages: 1.6 V to 3.3 V
    • Output voltage Power Good
    • ±1.5% output voltage accuracy (VOUT, TA = 25 °C)
    • Dynamic output voltage selection (D0, D1 and D2)
    • Load switch controlled by AUX input
    • Available in TQFN12 package
    Associated products