CAT811数据手册集成电路（IC）的监控器规格书PDF

描述 Description

The CAT811 and CAT812 are µP supervisory circuits that monitor power supplies in digital systems. The CAT811 and CAT812 are direct replacements for the MAX811 and MAX812 in applications operating over the industrial temperature range; both have a manual reset input. These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 140 ms after the power supply level has risen above that level. The underlying floating gate technology, Analog EEPROM used by ON Semiconductor, makes it possible to offer any custom reset threshold value. Seven industry standard threshold levels are offered to support +5.0 V, +3.3 V, +3.0 V and +2.5 V systems. The CAT811 features a RESET push-pull output (active LOW) and the CAT812 features a RESET push-pull output (active HIGH).Fast transients on the power supply are ignored and the output is guaranteed to be in the correct state at VCC levels as low as 1.0 V. The CAT811/812 are fully specified over the industrial temperature range (-40°C to 85°C) and are available in a compact 4-pin SOT143 package.

特性 Features

• Precision monitoring of +5.0 V (±5%, ±10%, ±20%), +3.3 V (±5%, ±10%), +3.0 V (±10%) and +2.5 V (±5%) power supplies
• Offered in two output configurations: - CAT811: Active LOW reset - CAT812: Active HIGH reset
• Manual reset input
• Direct replacements for the MAX811 and MAX812 in applications operating over the industrial temperature range
• Reset valid down to VCC = 1.0 V
• 6 µA power supply current
• Power supply transient immunity
• Compact 4-pin SOT143 package
• Industrial temperature range: -40°C to +85°C

应用 Application

• Computers
• Servers
• Laptops
• Cable modems
• Wireless communications
• Embedded control systems
• White goods
• Power meters
• Intelligent instruments
• PDAs and handheld equipment

简介

CAT811属于集成电路（IC）的监控器。由制造生产的CAT811监控器PMIC 监控器用于监视和/或控制电路中的电压轨，能够连接微控制器以维持一定的功率限值。监控器类型包括电池备用电路、监控器、多电压监控器、电源监控器、稳压器/监控器、复位计时器、定序器、简单复位/上电复位、智能开/关控制器、系统管理器、电压检测器和看门狗电路。