Datasheet > AAT3520IGY-3.08-50-T1

AAT3520IGY-3.08-50-T1

更新时间： 2024-02-01 13:59:02

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
10页	412K
描述
Power Supply Support Circuit,

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AAT3520IGY-3.08-50-T1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.33
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	Base Number Matches：	1

AAT3520IGY-3.08-50-T1 数据手册

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PRODUCT DATASHEET

AAT3520/2/4

PowerManager

MicroPower Microprocessor Reset Circuit

General Description

Features

•

The AAT3520 series of PowerManager products is part of

AnalogicTech’s Total Power Management IC™ (TPMIC™)

product family. These microprocessor reset circuits are

ideal for monitoring voltage supplies in portable sys-

tems, where extended battery life is critical. They pro-

vide a low-cost, reliable solution by eliminating the need

for external components. The AAT3520 series operates

by monitoring the system power supply voltage. When

the input voltage drops below a fixed threshold, the

device asserts a reset signal for a fixed time period after

V_CChas risen back above the fixed threshold; 30ms and

150ms minimum periods are available. The AAT3520

product series is guaranteed to operate down to 1.2V

and is designed to ignore fast line transients appearing

on V_CC. The AAT3520 series is available with three out-

put stage versions: AAT3520 push-pull active high out-

put; AAT3522 push-pull active low output; and AAT3524

open drain active low output. The quiescent supply cur-

rent is extremely low, typically 1μA, making it ideal for

portable battery-operated equipment.

Input Voltage Range: 1.2V to 5.5V

Operation Down to 1.2V

Extremely Low Quiescent Current: <2μA

High Accuracy Detection Threshold: ±1.5%

Monitor Power Supply Voltages

Fixed Thresholds from 2.2V to 4.6V

-Reset Pulse Width Options

Minimum 30ms or 150ms or 300ms

Fast Propagation Delay <20μs

Available Output Configurations:

▪

•

Open-Drain Output

CMOS Active High Output

CMOS Active Low Output

▪

•

Temperature Range: -40°C to +85°C

3-Pin SOT23 Package

4kV ESD Rating

Applications

•

Cell Phones

Embedded Systems

Intelligent Instruments

Notebook Computers

Portable Electronics

The AAT3520/2/4 are available in a Pb-free, 3-pin SOT23

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

operating temperature range.

Typical Application

V_CC

VCC

100kΩ

(nominal)

AAT3520

RESET

µP

RESET

AAT3522

INPUT

(RESET)

AAT3524

GND

*AAT3524 Only

w w w . a n a l o g i c t e c h . c o m

3520.2010.03.1.4

12 3 4 5 6 7...10

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