Datasheet > AAT4280A_08

AAT4280A_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
16页	554K
描述
Slew Rate Controlled Load Switch

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AAT4280A_08 数据手册

PRODUCT DATASHEET

AAT4280A

SmartSwitch^TM

Slew Rate Controlled Load Switch

General Description

Features

The AAT4280A SmartSwitch is a member of AnalogicTech’s

Application Specific Power MOSFET™ (ASPM™) product

family. The AAT4280A is a P-channel MOSFET power

switch designed for high-side load switching applications.

The device has a typical R_DS(ON)of 80mΩ, allowing

increased load switch power handling capacity. The device

is available in three different versions with flexible turn-on

and turn-off characteristics — from very fast to slew rate

limited. The standard AAT4280A (-1) version has a slew

rate limited turn-on load switch and is functionally com-

patible with the AAT4250 device, while offering superior

R_DS(ON)characteristics. The AAT4280A (-2) version fea-

tures fast load switch turn-on capabilities, typically less

than 500ns turn-on and 3μs turn-off times. The AAT4280A

(-3) variation offers a shutdown load discharge circuit to

rapidly turn off a load circuit when the switch is disabled.

The AAT4280A (-4) version features the slowest load

switch turn-on capability, typically greater than 4.0ms

turn-on time. All AAT4280A load switch versions operate

with an input voltage ranging from 1.5V to 5.5V, making

them ideal for both 3V and 5V systems. Input logic levels

are TTL and 2.5V to 5V CMOS compatible. The quiescent

supply current is very low, typically 25nA.

• 1.5V to 5.5V Input Voltage Range

• Very Low R_DS(ON), Typically 80mΩ (5V)

• Slew Rate Limited Turn-On Time Options

4.5ms

1ms

0.5μs

100μs

▪

• Fast Shutdown Load Discharge Option

• Low Quiescent Current

25nA (typ)

▪

• TTL/CMOS Input Logic Level

• Temperature Range: -40ºC to +85°C

• 3kV ESD Rating

• SC70JW-8 and SOT23-6 Packages

Applications

• Cellular Telephones

• Digital Still Cameras

• Hot Swap Supplies

• LCD Panels

• Notebook Computers

• Personal Communication Devices

• Personal Digital Assistants (PDAs)

The AAT4280A is available in a Pb-free, 8-pin SC70JW

package or a Pb-free, 6-pin SOT23 package and is spec-

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

Typical Application

V_IN

OUT

V_OUT

AAT4280A

C_IN

C_OUT

ON/OFF

1µF

0.1µF

GND

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

4280A.2008.04.1.5

12 3 4 5 6 7...16

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