AAT3527ICX-4.38-200-T1 datasheet, PDF

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AAT3527ICX-4.38-200-T1: Description1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4; CategoryPower/power management The power supply circuit; File Size92KB，9 Pages; ManufacturerAAT [Advanced Analog Technology, Inc.]; Environmental Compliance

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AAT3527ICX-4.38-200-T1 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4

AAT3527ICX-4.38-200-T1 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	AAT [Advanced Analog Technology, Inc.]
package instruction	, TO-253
Reach Compliance Code	unknow
Adjustable threshold	NO
Humidity sensitivity level	3
Number of terminals	4
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	TO-253
power supply	1.2/5.5 V
Certification status	Not Qualified
Maximum supply current (Isup)	0.003 mA
surface mount	YES
Temperature level	INDUSTRIAL
Threshold voltage nominal	+4.38V
Base Number Matches	1

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AAT3526/7/8

MicroPower™ Supervisory Circuit

with Manual Reset

General Description

The AAT3526/7/8 PowerManager products are

members of AnalogicTech's Total Power Manage-

ment IC™ (TPMIC™) product family. These micro-

processor reset circuits are ideal for monitoring volt-

age supplies in portable systems, where extended

battery life is critical. They provide a reliable, low-

cost solution by eliminating external components.

The AAT3526/7/8 products operate by monitoring

the system power supply voltage. When the input

voltage drops below a fixed threshold, the device

asserts a reset signal for a minimum of 150ms after

has risen back above the fixed threshold. They

are guaranteed to operate down to 1.2V and

designed to ignore fast line transients appearing on

. 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.

AAT3526/7/8 devices are available in a Pb-free,

4-pin SOT143 package and are specified over the

-40°C to +85°C operating temperature range.

Features

•

PowerManager

™

•

Input Voltage Range: 1.2V to 5.5V

Operation Down to 1.2V

Extremely Low Quiescent Current: Less

Than 2µA

High Accuracy Detection Threshold: ±1.5%

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

Temperature Range: -40°C to +85°C

4-Pin SOT143 Package

4kV ESD Rating

Applications

•

Cell Phones

Embedded Systems

Intelligent Instruments

Notebook Computers

Portable Electronics

Typical Application

VCC

100k

(nominal)

VCC

AAT3526

AAT3527

RESET

(RESET)

AAT3528

RESET

µP

INPUT

GND

*AAT3528 Only

3526.2006.03.1.6

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