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STM1831 - Voltage detector

General Description

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6 2 Operation

Key Features

  • Voltage monitored on separate sense input VSEN.
  • 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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STM1831 Voltage detector with sense input and external delay capacitor Features ■ Voltage monitored on separate sense input VSEN ■ 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 1 Contents Contents STM1831 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .