电源管理IC-微处理器监控电路PT7M7809

  • 价格

    面议

产品介绍

电源管理IC-微处理器监控电路PT7M7809

商品详情说明

微处理器监控电路 IC

PT7M7809x

Push-pull Reset output and SOT23-3 supervisory IC

Product Description

The PT7M78xx family microprocessor (µP) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in µP systems. These devices reduce the complexity and number of components required to monitor power-supply and battery functions.

The main functions are:

1.    Asserting reset output during power-up, power-down and brownout conditions for µP system.

2.    Detecting power failure or low-battery conditions with a 1.25V threshold detector

3.    Watchdog functions

4.    Manual reset.

Features

·         Precision supply-voltage monitor

o    4.63V (PT7M78xxL)

o    4.38V (PT7M78xxM)

o    3.08V (PT7M78xxT)

o    2.93V (PT7M78xxS)

o    2.63V (PT7M78xxR)

o    2.32V (PT7M78xxZ)

o    2.20V (PT7M78xxY)

o    4.00V (PT7M78xxJ)

o    2.25V (PT7M78xxK)

o    2.80V (PT7M78xxG)

·         200ms reset pulse width

·         Debounced CMOS-compatible manual-reset input (7811, 7812, 7823, 7825)

·         Reset Output Signal for Watchdog and Power

·         Abnormal, Manual Reset

·         Reset Push-Pull output (PT7M7809,7811,7823,7824,7825)

·         Reset Open-Drain output (PT7M7803)

·         Voltage monitor for power-fail or low battery warning

·         Guaranteed RESET/RESET valid at VCC=1.0V

Applications

·         Power-supply circuitry in µP systems

·         Networking

·         Security System

·         Server/Storage

·         Embedded System

 

Product Parameters

Fixed Detect Voltages

2.2, 2.25, 2.32, 2.63, 2.80, 2.93, 3.08, 4, 4.38, 4.63 V

Adjustable Detect voltage reference voltage

N/A V

Number of Channels

1

Minimum Operating Voltage

1 V

Maximum Input

5.5 V

Quiescent Current

10 µA

Typical Time Delay

N/A µs

Reset Period

200 ms

RESET Output (Active High)

No (Active High)

RESET Output (Active Low)

Yes (Active Low)

Manual RESET

No

Watchdog

No

Watchdog Time

None s

Power Fail Comparator Threshold

None V

Reset Output Topology

Push-Pull

Ambient Temperature Range

-40 to 85

Related Content

Packages

SOT23

  


Applications

医疗, 数字相机, 机顶盒, 平板计算机

 

联系电话:0755-83222938
导航菜单 W1204 H50
  • 联系方式

  • 0755-83222938

  • 12365452@qq.com

  • 广东省深圳市红荔路(华强北路)上步工业区101栋588室(福田办事处)

    微信公众号
版权所有 深圳市博金凯科技有限公司 CopyRight 2003 - 2019 All Right Reserved 备案号:域名备案中  网站地图XML