Datasheet > IMP811JEUS-T

IMP811JEUS-T

更新时间： 2024-02-21 02:17:43

品牌	Logo	应用领域
IMP		微处理器监控
页数	文件大小	规格书
8页	139K
描述
4-pin レP Voltage Supervisor with Manual Reset

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技术参数
数据手册

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IMP811JEUS-T 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.71
Is Samacsys：	N	Base Number Matches：	1

IMP811JEUS-T 数据手册

IMP811, IMP812

OWER

ANAGEMENT

Key Features

4-Pin µP Voltage Supervisor

with Manual Reset

ꢀ

Improved Maxim MAX811/MAX812 replacement

—

Specified to 105°C

New 4.0V threshold option

The IMP811/IMP812 are low-power supervisors designed to monitor

voltage levels of 3.0V, 3.3V and 5.0V power supplies in low-power

microprocessor (µP), microcontroller (µC) and digital systems. Each fea-

tures a debounced manual reset input. The IMP811/812 are improved

drop-in replacements for the Maxim MAX811/812 with extended

temperature specifications to 105°C.

ꢀ

6µA supply current

Monitor 5V, 3.3V and 3V supplies

Manual reset input

140ms min. reset pulse width

Guaranteed over temperature

A reset signal is issued if the power supply voltage drops below a preset

threshold and is asserted for at least 140ms after the supply has risen

above the reset threshold. The IMP811 has an active-low output RESET

Active-LOW reset valid with 1.1V supply

(IMP811)

that is guaranteed to be in the correct state for V down to 1.1V. The

IMP812 has an active-high output RESET. The reset comparator is

designed to ignore fast transients on V

ꢀ

Small 4-pin SOT-143 package

No external components

Low power consumption makes the IMP811/IMP812 ideal for use in

portable and battery-operated equipment. Available in a compact 4-pin

SOT143 package, the devices use minimal board space.

Power-supply transient-immune design

Six voltage thresholds are available to support 3V to 5V systems:

Applications

Reset Threshold

Suffix

Voltage (V)

ꢀ Computers and controllers

ꢀ Embedded controllers

ꢀ Battery operated systems

ꢀ Intelligent instruments

ꢀ Wireless communication systems

ꢀ PDAs and handheld equipment

4.63

4.38

4.00

3.08

2.93

2.63

Block Diagrams

IMP811

(IMP812)

µC or µP

RESET

Input

RESET

(RESET)

Manual

Reset

GND

811/12_01.eps

1999 IMP, Inc.

408-432-9100/www.impweb.com

12 3 4 5 6 7 8

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