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DS1831C - 3.3V/2.5V Multisupply MicroMonitor

Datasheet Summary

Description

The DS1831C multisupply monitor and reset monitors up to four system voltages: 2.5V supply, 3.3V (or 3V) supply, and two additional user configurable voltage monitors.

DS1831 power for internal operation comes from the higher voltage level of the 3.3V input or the 2.5V input.

Features

  • 2.5V power-on reset.
  • 3.3V power-on reset.
  • Two referenced comparators with separate outputs for monitoring additional supplies.
  • Internal power is drawn from higher of either the IN2.5V input or the IN3.3V input.
  • Excellent for systems designed to operate with multiple power supplies.
  • Asserts resets during power transients.
  • Pushbutton reset input for system override.
  • Maintains reset for user configurable times of 10ms, 100ms, or 1s.
  • Watchdog timer for s.

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Datasheet Details

Part number DS1831C
Manufacturer Maxim Integrated
File Size 191.71 KB
Description 3.3V/2.5V Multisupply MicroMonitor
Datasheet download datasheet DS1831C Datasheet
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Full PDF Text Transcription

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DS1831C/D/E 3.3V/2.5V Multisupply MicroMonitor www.maxim-ic.com FEATURES § 2.5V power-on reset § 3.3V power-on reset § Two referenced comparators with separate outputs for monitoring additional supplies § Internal power is drawn from higher of either the IN2.5V input or the IN3.3V input § Excellent for systems designed to operate with multiple power supplies § Asserts resets during power transients § Pushbutton reset input for system override § Maintains reset for user configurable times of 10ms, 100ms, or 1s § Watchdog timer for software monitoring (DS1831D) § Precision temperature-compensated voltage reference and voltage sensor § 16-pin DIP and 16-pin 150mil SO available § Operating Temperature of -40°C to +85°C DS1831D PIN ASSIGNMENT DS1831C IN2.5V RST2.5V TOL2.5V TD2.5V PBRST2.
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