Datasheet > AAT4282A_08

AAT4282A_08

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		开关
页数	文件大小	规格书
13页	603K
描述
Slew Rate Controlled Load Switch

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AAT4282A_08 数据手册

PRODUCT DATASHEET

AAT4282A

SmartSwitch^TM

Slew Rate Controlled Load Switch

General Description

Features

TheAAT4282ASmartSwitch™isamemberofAnalogicTech’s

Application Specific Power MOSFET™ (ASPM™) product

family. The AAT4282A is a dual P-channel MOSFET power

switch designed for high-side load-switching applications.

Each MOSFET has a typical R_DS(ON)of 60mΩ, allowing

increased load switch current handling capacity with a low

forward voltage drop. The device is available in three dif-

ferent versions with flexible turn-on and turn-off charac-

teristics – from very fast to slew-rate limited. The stan-

dard 4282A (-1) version has a slew-rate limited turn-on

load switch. The AAT4282A (-2) version features fast

turn-on capability, typically less than 500ns turn-on and

3μs turn-off times. The AAT4282A (-3) variation offers a

shutdown load discharge circuit to rapidly turn off a load

circuit when the switch is disabled. 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)

60mΩ Typical @ 5V

140mΩ Typical @ 1.5V

• Slew Rate Turn-On Time Options

▪

1ms

0.5μs

100μs

▪

• Fast Shutdown Load Discharge Option

• Low Quiescent Current

Typically 1μA

▪

• TTL/CMOS Input Logic Level

• Temperature Range -40°C to 85°C

• FTDFN22-8 Package

Applications

• Cellular Telephones

• Digital Still Cameras

• Hotswap Supplies

• Notebook Computers

• PDA Phones

All the AAT4282A load switch versions are designed to

operate from 1.5V up to 6.5V, making them ideal for

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

2.5V to 5V CMOS compatible. The quiescent supply cur-

rent is a very low 1μA.

• PDAs

• PMPs

• Smartphones

The AAT4282A is available in the Pb-free, low profile

2.0x2.0mm FTDFN22-8 package and is specified over

the -40 to 85°C temperature range.

Typical Application

OUTA

OUTB

INA

INB

INA

OUTA

OUTB

INB

ON/OFF

AAT4282A

ENA

ENB

FAST

ON/OFF

1μF

0.1μF

FAST/SLOW

GND

N/C

w w w . a n a l o g i c t e c h . c o m

4282A.2008.02.1.2

12 3 4 5 6 7...13

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