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    Electronicdesign Com Products Analog And Mixed Signal Ics Switch Power From Main To Backup Sources27180
    1. Technologies
    2. Analog

    ICs Switch Power From Main To Backup Sources

    Oct. 1, 2002
    Tooled for devices that employ automatic backup power switching, the S-8424A and S-8424B ICs pack all the functions needed for such switching assignments in a single, eight-pin TSSOP. Delivering a sequence of main power detection and automatic
    Staff

    Electronicdesign Com Products Analog And Mixed Signal Ics Switch Power From Main To Backup Sources27180
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    Tooled for devices that employ automatic backup power switching, the S-8424A and S-8424B ICs pack all the functions needed for such switching assignments in a single, eight-pin TSSOP. Delivering a sequence of main power detection and automatic switching to backup power supplies, the S-8424A and S-8424B include two voltage regulators, a power supply switch and controller, and independently selectable output voltages from 2.3V to 5.4V in 0.1V steps. The S-8424A includes three power supply voltage detectors (CS, PREEND and RESET) and has a quiescent current of 15 µA during operation. The S-8424B integrates two voltage detectors (CS and RESET) and has a 13 µA quiescent current. Both series draw a 2.1 µA quiescent current during backup. Price is $0.83 each/10,000. SEIKO INSTRUMENTS, Torrance, CA. (800) 934-9334.

    Company: SEIKO INSTRUMENTS

    Product URL: Click here for more information

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