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    Electronicdesign Com Products Power Ldos Integrate Reverse Battery Protection 34359
    1. Technologies
    2. Power

    LDOs Integrate Reverse Battery Protection

    Oct. 8, 2008
    Attempting to avoid system damage, the AS1353 and AS1356 low-dropout (LDO) regulators provide reversed battery or supply voltage protection. The AS1353 specifies a noise figure of 30 µVRMS between 10 Hz and 100 kHz, allowing the use of
    Staff

    Electronicdesign Com Products Power Ldos Integrate Reverse Battery Protection 34359
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    Attempting to avoid system damage, the AS1353 and AS1356 low-dropout (LDO) regulators provide reversed battery or supply voltage protection. The AS1353 specifies a noise figure of 30 µVRMS between 10 Hz and 100 kHz, allowing the use of a small and less expensive 1-µF ceramic output capacitor. The device also features a power-supply rejection ratio of 57 dB at 100 kHz and a power-good signal that indicates when the output voltage is within a tolerance of 5%. Additionally, an enable pin permits a turn-on time of 150 µs. Both devices feature a voltage drop of 60 mV at 150 mA, going down to 20 mV at 50 mA, and an output current of 150 mA. Input-voltage range is from 2.5V to 5.5V. AUSTRIAMICROSYSTEMS USA INC., Raleigh, NC. (919) 676-5292.

    Company: AUSTRIAMICROSYSTEMS USA INC.

    Product URL: Click here for more information

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