Datasheet > AAT4611

AAT4611

更新时间： 2022-12-26 18:52:50

品牌	Logo	应用领域
AAT		开关
页数	文件大小	规格书
10页	240K
描述
Current Limited Load Switch in SOT23 Package

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AAT4611 数据手册

AAT4611

Current Limited Load Switch in SOT23 Package

™

SmartSwitch

General Description

Features

The AAT4611 SmartSwitch is a current limited P-

channel MOSFET power switch designed for high-

side load switching applications. This switch oper-

ates with inputs ranging from 2.7V to 5.5V, making

it ideal for both 3V and 5V systems. An integrated

current-limiting circuit protects the input supply

against large currents which may cause the supply

to fall out of regulation. The AAT4611 is also pro-

tected from thermal overload which limits power

dissipation and junction temperatures. It can be

used to control loads that require up to 1A. Current

limit threshold is programmed with a resistor from

SET to ground. The quiescent supply current is

typically a low 15µA max. In shutdown mode, the

supply current decreases to less than 1µA.

•

Input Voltage Range: 2.7V to 5.5V

Programmable Over-Current Threshold

Fast Transient Response:

— <1µs Response to Short Circuit

Low Quiescent Current

— 15µA Typical

— 1µA Max with Switch Off

160mΩ Typical R_DS(ON)

Only 2.5V Needed for ON/OFF Control

Under-Voltage Lockout

Thermal Shutdown

4kV ESD Rating

5-Pin SOT23 Package

•

Temperature Range: -40°C to +85°C

The AAT4611 is available in a Pb-free 5-pin SOT23

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

temperature range.

Applications

•

Hot Swap Supplies

Notebook Computers

Peripheral Ports

Personal Communication Devices

Typical Application

INPUT

OUTPUT

OUT

AAT4611

ON (ON)

SET

ON/(ON)

GND

R_SET

0.47µF

1µF

GND

4611.2006.09.1.4

12 3 4 5 6 7...10

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