STM1831 Datasheet, PDF (1/24 Pages) STMicroelectronics – Voltage detector with sense input and external delay capacitor

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
■ ±2% voltage threshold accuracy
■ Operating voltage 1.6 V to 6.0 V
■ Open drain output
■ 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
SOT23-5
November 2010
Doc ID 18180 Rev 1
1/24
www.st.com
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