Datasheet > AAT4252A-3

AAT4252A-3

更新时间： 2024-09-23 04:03:15

品牌	Logo	应用领域
ANALOGICTECH		开关
页数	文件大小	规格书
14页	565K
描述
Dual Slew Rate Controlled Load Switch

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AAT4252A-3 数据手册

AAT4252A

Dual Slew Rate Controlled Load Switch

™

SmartSwitch

General Description

Features

The AAT4252A SmartSwitch™ is a dual P-channel

MOSFET power switch designed for high-side load-

switching applications. Each MOSFET has a typical

R_DS(ON)of 105mΩ, allowing increased load switch

current handling capacity with a low forward voltage

drop. The device is available in three different ver-

sions with flexible turn-on and turn-off characteris-

tics–from very fast to slew-rate limited. The standard

4252A (-1) version has a slew-rate limited turn-on

load switch. The AAT4252A (-2) version features a

fast turn-on capabilities, typically less than 500ns

turn-on and 3µs turn-off times. The AAT4252A (-3)

variation offers a shutdown load discharge circuit to

rapidly turn-off a load circuit when the switch is dis-

abled. An additional feature is a slew-rate selector pin

which can switch between fast and slow slew rate.

•

V_INRange: 1.5V to 6.5V

Low R_DS(ON)

— 87mΩ Typical @ 5V

— 196mΩ Typical @ 1.5V

Slew Rate Turn-On Time Options

— 1ms

— 0.5µs

— 100µs

Fast Shutdown Load Discharge Option

Low Quiescent Current

— Typically 500nA

TTL/CMOS Input Logic Level

Temperature Range: -40ºC to +85°C

Available in TSOPJW-12 package

•

All the AAT4252A load switch versions are designed

to operate from 1.5V up to 6.5V, making then ideal

for both 3V and 5V systems. Input logic levels are

TTL and 2.5V to 5V CMOS compatible. The quies-

cent supply current is a very low 500nA.

Applications

•

Cellular Telephones

Digital Still Cameras

Notebook Computers

PDA Phones

The AAT4252A is available in the Pb-free TSOPJW-

12 package and is specified over the -40°C to

+85°C temperature range.

PDAs

PMPs

Smartphones

Typical Application

OUTA

INA

OUTA

OUTB

INB

OUTB

ON/OFF

AAT4252A

ENA

ENB

FAST

0.1μF

1μF

FAST/SLOW

GND

N/C

8,9,10,11

4252A.2007.06.1.0

12 3 4 5 6 7...14

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