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    ST890DTR

    ST890DTR

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    ST890BDR

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    1.2 A current limited high side power switch with thermal shutdown
    Learn More about ST890BDR

    Quantity $ per Unit Savings
    1 - 9$2.910%
    10 - 24$2.6210%
    25 - 99$2.4715%
    100 - 249$2.1526%
    250 - 499$2.0430%
    500$1.8237%
    500 + Contact Sales
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    In stock
    $2.91
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    Parameter NameParameter Value
    Supply Voltage Min Volt2.7
    Supply Voltage Max Volt5.5
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius85.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack3
    GradeIndustrial
    Package NameSO-8

    The ST890 device is a low voltage, P-channel MOSFET power switch intended for high-side load switching applications.


    The switch operates with inputs from 2.7 V to 5.5 V, making it ideal for both 3 V and 5 V systems.


    The internal current limiting circuitry protects the input supply against overload. The thermal overload protection limits power dissipation and junction temperatures.


    The maximum current limit is 1.2 A. The current limit through the switch is programmed with a resistor from SET to ground. The devices are available in SO-8 and DFN8L (3 x 3 mm) packages.

    Key features
    • 2.7 to 5.5 V input range
    • Programmable current limit up to 1.2 A
    • Low quiescent current
    • Thermal shutdown
    • Active-lowFAULTindicator output
    • 90 mΩ (typ.) ON resistance
    • SO-8 and DFN8L (3 x 3 mm) packages