Product Introduction

Product parameters

Funtion:Low Power Microprocessor Supervisory IC With Watchdog Timer and Manual Reset

Vout Range:1.1V-6.5V

Vin Range:1.1V-6.5V

Operating Current:2.7uA

Package:SOT23-6

Hysteresis:2%

Delayed:200ms min Reset Pulse Width

Reset threshold:2.63V High and Low

Watchdog:Yes


General Description

CN825 series is a family of microprocessor (uP) supervisory circuit that monitors microprocessor’s supply voltage and battery voltage. The CN825 series integrates uP reset circuit with 200ms delay, Watchdog, manual reset circuit. These devices reduce system complexity, hence improve system reliability.

CN825 series generates a reset signal when VCC is lower than reset threshold. The reset threshold is internally fixed with 1% accuracy. The watchdog timer’s timeout period is internally set at typical value of 1.6s. CN825 series provide both active low and active high reset signals.

CN825 series is ideal for applications in automotive systems, computers, controllers and intelligent instruments.

All devices are available in 6 pin SOT-23 package.

 

Applications

l  DSP, Computers, Controllers

l  Industrial Equipment

l  Intelligent instruments

l  Battery-powered Equipment           

 


Features

l  Reset Threshold is Internally Fixed

l  Guaranteed Reset Valid at VCC=1.1V

l  Reset threshold can be from 1.8V to 5.0V with 0.1V step.

l  High Accuracy of Reset Threshold: ±1%

l  Low operating current: 2.7uA

l  Reset pulse width: 200ms Typical

l  Watchdog timer: 1.6s timeout

l  Both Active-high and Active-low Reset Outputs

l  Power-Supply Transient Immunity

l  Available in SOT-23-6

l  Operating Temperature Range

l        -40°C to +85°C

l  Lead-free, Rohs-compliant and Halogen-free


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