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PT7M1818 Datasheet Supervisory Circuit

Manufacturer: Pericom Semiconductor (now Diodes Incorporated)

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General Description

The series are designed to monitor power supplies in µP and digital systems.

It provides excellent circuit reliability and low cost by eliminating external components and adjustments.

This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold.

Overview

PT7M1818/1813 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||.

Key Features

  • Highly accurate: 1.5% (25°C).
  • Accurate power monitoring: 2.5V, 2.9V, 3.0V (PT7M1818), and 4.1, 4.3, 4.6V (PT7M1813).
  • Operating voltage range: 1.0V ~ 5.5V.
  • Operating temperature range: -40°C to + 85°C.
  • Detect voltage temperature characteristics: 2.5%  TYP.
  • Efficient open-drain output with internal 5k pull-up resistor.
  • Maintains reset for 200ms after VCC returns to an in- tolerance condition.

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