AAT4608 datasheet(1/10 Pages) ANALOGICTECH

部件名	AAT4608

功能描述	Current Limited Load Switch in SOT-23 Package

PDF	10 Pages

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制造商	ANALOGICTECH [Advanced Analogic Technologies]

网页	http://www.analogictech.com

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SmartSwitch™

General Description

The AAT4608 SmartSwitch™ is a member of

AnalogicTech's

Application

Specific

Power

MOSFET™ (ASPM™) product family. It is a Current

Limited P-channel MOSFET power switch designed

for high-side load-switching applications. This switch

operates with inputs ranging from 2.7V to 5.5V, mak-

ing it ideal for both 3V and 5V systems. An inte-

grated current-limiting circuit protects the input sup-

ply against large currents which may cause the sup-

ply to fall out of regulation. The AAT4608 is also pro-

tected from thermal overload which limits power dis-

sipation and junction temperatures. It can be used

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

threshold is programmed with a resistor from SET to

ground. The quiescent supply current is typically a

low 15µA max.

The AAT4608 is available in a 5 pin SOT-23 spec-

ified over -40 to 85°C.

Features

•

2.7V to 5.5V Input voltage range

•

Programmable over current threshold

•

Fast transient response:

•

<1µs response to short circuit

•

Low quiescent current

•

15µA typical

•

1µA max with Switch off

•

160m

Ω typical R

DS(ON)

•

Undervoltage Lockout

•

Thermal shutdown

•

Temp range -40 to 85°C

•

4kV ESD Rating

•

5 pin SOT-23 package

Applications

•

Peripheral ports

•

Notebook computers

•

Personal communication devices

•

Hot swap supplies

AAT4608

Current Limited Load Switch in SOT-23 Package

Typical Application

AAT4608

5

2

3

1

IN

SET

INPUT

GND

OUT

SOT-23

OUTPUT

0.47

µF

RSET

1

µF

4608.2001.10.0.9

1

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