Datasheet > AAT4291

AAT4291

更新时间： 2022-12-26 18:52:50

品牌	Logo	应用领域
AAT		开关
页数	文件大小	规格书
12页	242K
描述
I/O Expander Load Switches with Serial Control

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AAT4291 数据手册

AAT4290/91

I/O Expander Load Switches with Serial Control

™

SmartSwitch

General Description

Features

The AAT4290 and AAT4291 SmartSwitch products

are members of AnalogicTech’s Application

Specific Power MOSFET™ (ASPM™) product

family. The AAT4290 and AAT4291 are five and

three P-channel MOSFETs, respectively, config-

ured for use as a microprocessor I/O expander.

Having independent drain outputs and a common

source input, they operate with an input voltage

ranging from 1.8V to 5.5V, making them ideal for

2.5V, 3.3V, or 5V systems, as well as systems pow-

ered by lithium-ion/polymer batteries. Each switch

features a 500ns turn-on time. The switch states

are controlled by AnalogicTech’s Simple Serial

Control™ (S²Cwire™) interface which permits ease

of control and efficiency of size. The quiescent

supply current is very low, typically 5µA. In shut-

down mode, the supply current is reduced to less

than 1µA.

•

1.8V to 5.5V Input Voltage Range

5 or 3 Independent Load Switches

S²Cwire Interface

1.1Ω R_DS(ON)Per Switch

Low Quiescent Current

— 5µA

— 0.1µA in Shutdown

-40°C to +85°C Temperature Range

8-Pin SC70JW Package

•

Applications

•

Cell Phones

I/O Expansion

Multiple Low Power Switching

Personal Communication Devices

Portable Electronic Devices

The AAT4290 and AAT4291 are offered in a Pb-

free, 8-pin SC70JW package specified over the

-40°C to +85°C temperature range.

Typical Application

INPUT

OUT1

OUT2

OUT3

OUT4

OUT5

OUT1

OUT2

OUT3

OUT4

OUT5

AAT4290

EN/SET

GND

C_IN

1µF

C_OUT1

0.1µF

C_OUT2

0.1µF

C_OUT3

0.1µF

C_OUT4

0.1µF

C_OUT5

0.1µF

GND

4290.2006.03.1.2

12 3 4 5 6 7...12

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