Datasheet > APX811_09

APX811_09

更新时间： 2024-11-24 11:52:55

品牌	Logo	应用领域
美台 - DIODES		微处理器监控
页数	文件大小	规格书
10页	168K
描述
4-Pin Microprocessor Supervisor With Manual Reset

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中文翻译

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APX811_09 数据手册

APX811/812

4-Pin Microprocessor Supervisor With Manual Reset

General Description

Features

The APX811/812 are used for microprocessor supervisory circuit

to monitor the power supplies in These circuit perform a single

function: they assert a reset signal whenever the Vcc supply

voltage declines below a preset threshold, keeping it asserted for

at least 240ms after Vcc has risen above the reset threshold.

Reset thresholds suitable for operation with a variety of supply

voltages are available. The APX811/812 have push-pull outputs.

•

Precision Monitor of(2.5V/3.0V/3.3V/5.0V) power

supply voltage

Full specified over temperature

Manual reset input

Available in four output configuration

•

Push-pull

Active low(APX811)

RESET

•

Push-pull RESET Active high(APX812)

Power-on reset generator with fixed delay time 200ms

SOT143: Available in “Green” Molding Compound

(No Br, Sb)

The APX811 has an active low

output, while the

RESET

APX812 has an active high RESET output.

The APX811/812 devices incorporate a manual reset input,

•

Lead Free Finish/RoHS Compliant (Note 1)

A low level at

causes RESET to become active.

The APX811/2 are targeted at 2.5V, 3V, 3.3V and 5V powered

systems and are available with different threshold voltages to

meet the exact needs of the system. They are available in the

space saving SOT143 package and operate over the whole

industrial temperature range, -40 to 85°C.

Applications

•

Computers

Controllers

Intelligent Instruments

Critical uP and UC power Monitoring

Portable/Battery powered Equipment

Automotive

Typical Application Circuit

Vcc

APX811/APX812

MCU

RESET

(RESET)

RESET Input

(Manual Reset)

Push Botton

GND

APX811/812 Rev. 2

DS31960

1 of 10

www.diodes.com

OCTOBER 2009

12 3 4 5 6 7...10

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