Datasheet > AAT3532

AAT3532

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
AAT		微处理器复位电路
页数	文件大小	规格书
8页	99K
描述
MicroPower⑩ Microprocessor Reset Circuit

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AAT3532 数据手册

AAT3532

MicroPower™ Microprocessor Reset Circuit

™

PowerManager

General Description

Features

The AAT3532 PowerManager is a member of

AnalogicTech’s Total Power Management IC™

(TPMIC™) product family. It is a fully integrated

device for monitoring microprocessor activity,

external reset, and power supply conditions. The

device holds the microprocessor in a reset condi-

tion for a minimum of 250ms while V_CCis estab-

lished to ensure correct system start-up. A manual

reset can be initiated via a de-bounced input pin.

As an additional level of protection, the AAT3532

includes a watchdog timer which requires a period-

ic strobe input from the microprocessor to ensure

correct operation. The AAT3532 has a programma-

ble watchdog timer and voltage tolerance level.

The quiescent supply current is extremely low, typ-

ically 23µA.

•

Adjustable 4.5V or 4.75V Voltage Monitor

250ms (min) Reset Pulse Width

Low Quiescent Current: Typically 23µA

Adjustable Watchdog Timer (150ms, 600ms,

or 1200ms)

De-bounced Manual Reset Input

Operates Down to 20ns Strobe Input Pulse

Width

•

No External Components

Temperature Range: -40° to +85°C

Standard 8-Pin SOP Package

Pin Compatible with MAX1232

Applications

The AAT3532 is available in a Pb-free, 8-pin SOP

package and is specified over the -40°C to +85°C

temperature range.

•

Automotive

Computers

Controllers

Embedded Systems

Intelligent Instrumentation

Telecom Equipment

Typical Application

V_DD

VCC

V_DD

RESET

INPUT

PBRST

AAT3532

RST

µP

I/O

TOL

GND

3532.2005.12.1.2

12 3 4 5 6 7 8

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