Datasheet > AAT3526

AAT3526

更新时间： 2022-12-13 13:50:13

品牌	Logo	应用领域
ANALOGICTECH		监控
页数	文件大小	规格书
10页	225K
描述
MicroPower Supervisory Circuit with Manual Reset

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AAT3526 数据手册

AAT3526/7/8

MicroPower Supervisory Circuit with Manual Reset

™

PowerManager

General Description

Features

The AAT3526/7/8 PowerManager™ products are

members of AATI's Total Power Management IC™

(TPMIC™) product family. These microprocessor

reset circuits are ideal for monitoring voltage sup-

plies in portable systems, where extended battery

life is critical. They provide a low cost, reliable solu-

tion by eliminating external components. The

AAT3526/7/8 products operate by monitoring the

system power supply voltage. When the input volt-

age drops below a fixed threshold, the device

asserts a reset signal for a minimum of 150ms after

V_CChas risen back above the fixed threshold. They

are guaranteed to operate down to 1.2V and

designed to ignore fast line transients appearing on

V_CC. The AAT3526/7/8 series is available with three

output stage versions: AAT3526 push-pull active

low output, AAT3527 push-pull active high output

and AAT3528 open drain active low output. The

quiescent supply current is extremely low, typically

1µA, making this device ideal for portable battery

operated equipment.

•

1.2V to 5.5V Input voltage range

Operation down to 1.2V

Extremely low quiescent current: less than 2µA

High accuracy detection threshold: 1.5ꢀ

Monitor Power Supply Voltages

Fixed thresholds from 2.2V to 4.6V

Minimum 150ms reset pulse width with fast

delay time <20µs

•

Debounced Manual Reset Input

Available output configurations:

•

Open-drain output

CMOS active high output

CMOS active low output

•

Temp range -40 to 85°C

4 pin SOT143 package

Applications

•

Notebook Computers

Cell Phones

Portable Electronics

Embedded Systems

Intelligent Instruments

The AAT3526/7/8 are available in a 4 pin SOT143

package and are specified over -40° to 85°C oper-

ating temperature range.

Typical Application

V_CC

100k

(nominal)

AAT3526

RESET

INPUT

AAT3527

AAT3528

(RESET)

GND

*AAT3528 Only

3526.2002.1.0.62

12 3 4 5 6 7...10

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