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Overview - S-801 series

High-Precision Voltage Detector with Built-in Delay Cricuit S-801series

The S-801 series is a series of high-precision voltage detectors with a built-in delay time generator of fixed time developed using CMOS process. The detection voltage is fixed internally, with an accuracy of ±2.0%. Internal oscillator and counter timer can delay the release signal without external parts. Three delay times 50 ms, 100 ms, and 200 ms are available. Two output forms, Nch open-drain and CMOS output, are available.

DATA SHEET
2010.8.18

Features


    • Ultra-low current consumption:1.3 µA typ. (at VDD = 3.5V)
    • High-precision detection voltage: ±2.0%
    • Hysteresis width:60mV typ.
    • Three delay times; A series: 50 ms typ., B series: 100 ms typ., C series: 200 ms typ.
    • ON/OFF switch of delay time (DS pin)
    • Operating voltage range: 0.95V to 10.0V
    • Detection voltage: 2.2V to 6.0V (0.1V step)
    • Output form: Active low Nch open-drain output or active low CMOS output
    • Package: SOT-23-5, SNT-4A
    • Lead-free products

Applications


    • Power monitor for portable equipment such as note computers, digital cameras, PDA, and cellular phones
    • Constant voltage power monitor for cameras, video equipment and communication devices
    • Power monitor for microcomputers and reset for CPUs

Standard Circuit