AAT4618IGV-1.0-1-T1 Advanced Analogic Technologies, Inc., AAT4618IGV-1.0-1-T1 Datasheet

AAT4618IGV-1.0-1-T1

Manufacturer Part Number

AAT4618IGV-1.0-1-T1

Description

Manufacturer

Advanced Analogic Technologies, Inc.

Datasheets

1.AAT4618IGV-1.0-1-T1.pdf (11 pages)

2.AAT4618IGV-1.0-1-T1.pdf (11 pages)

Specifications of AAT4618IGV-1.0-1-T1

Date_code

06+

Packing_info

SOT-153

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General Description

The AAT4618 SmartSwitch is a member of

AnalogicTech's Application Specific Power MOS-

FET™ (ASPM™) product family. It is a current lim-

ited P-channel MOSFET power switch designed for

high-side load switching applications operating with

inputs ranging from 2.4V to 5.5V, making it ideal for

2.5V, 3V, and 5V systems. An integrated current-

limiting circuit protects the input supply from large

currents which may cause the supply to fall out of

regulation. In addition, the AAT4618 thermal over-

load protection limits power dissipation and junction

temperatures associated with prolonged periods of

operation in current limit. Due to its low R

AAT4618 can be used to control loads that require

up to factory preset 400mA, 500mA, or 1A. The

ultra-fast current limit response to a sudden short

circuit is a mere 400ns which reduces the require-

ments of local supply bypassing. An open drain

FAULT flag signals an over-current or over-temper-

ature condition after a 4ms timeout. Quiescent cur-

rent is a low 10µA and the supply current decreas-

es to less than 1µA in shutdown mode.

The AAT4618 is available in a Pb-free 5-pin SOT-

23 or a 8-pin SC70JW package and is specified

over the -40°C to +85°C temperature range.

The AAT4600 series is a family of adjustable and

fixed voltage SmartSwitch products with a range of

current handling capabilities. Single versions with

adjustable current limit (AAT4610, AAT4601) or

fixed current limit (AAT4625) are available, as well

as dual versions with fixed current limit (AAT4626,

AAT4670).

Typical Application

4618.2006.05.1.2

INPUT

GND

1μF

(ON)

ON (ON)

DS(ON)

, the

AAT4618

GND

Features

•

Applications

•

FAULT

OUT

2.4V to 5.5V Input Voltage Range

Current Limit Trip Threshold Options:

— 400mA Min

— 500mA Min

— 1A Min

Fast Transient Response:

— 400ns Response to Short Circuit

Low Quiescent Current:

— 10µA Typical

— < 1µA with Switch Off

125mΩ Typical R

FAULT Flag with 4ms Blanking

Under-Voltage Lockout

Thermal Shutdown

Temperature Range: -40°C to +85°C

4kV ESD Rating

5-Pin SOT23 or 8-Pin SC70JW Package

Hot Swap Supplies

Notebook Computers

Peripheral Ports

Personal Communication Devices

USB Ports

Current Limited Load Switch

100k

FAULT

DS(ON)

0.47μF

SmartSwitch

OUT

OUTPUT

GND

AAT4618

™

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