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STM1831

更新时间： 2024-11-20 14:58:03

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STM1831 数据手册

STM1831

Voltage detector with sense input

and external delay capacitor

Features

■ Voltage monitored on separate sense

input V

SEN

■ Factory-trimmed voltage thresholds in 100 mV

increments from 1.6 V to 5.7 V

■

2ꢀ voltage threshold accuracy

■ Operating voltage 1.6 V to 6.0 V

■ Open drain output

SOT23-5

■ Low supply current of 0.8 µA (typ.)

■ Time delay programmable by external

capacitor

■ Power supply transient immunity

■ Available in SOT23-5 package

■ Operating temperature –40 to 85 °C

Applications

■ Microprocessor reset circuitry

■ Charge voltage monitors

■ Memory battery backup switch circuits

■ Power failure detection circuits

November 2010

Doc ID 18180 Rev 1

1/24

www.st.com

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