Datasheet > AAT4626IAS-B1

AAT4626IAS-B1

更新时间： 2022-11-25 16:07:28

品牌	Logo	应用领域
ANALOGICTECH		开关电源开关
页数	文件大小	规格书
14页	374K
描述
USB Dual-Channel Power Switch

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AAT4626IAS-B1 数据手册

AAT4626

USB Dual-Channel Power Switch

™

SmartSwitch

General Description

Features

The AAT4626 SmartSwitch™ is part of

AnalogicTech's Application Specific Power

MOSFET™ (ASPM™) product family. It is a dual-

channel 500mA current-limited P-channel MOSFET

power switch designed for high-side load-switching

applications. This switch operates with inputs rang-

ing from 2.7V to 5.5V, making it ideal for both 3V

and 5V systems. An integrated current-limiting cir-

cuit protects the input supply against large changes

in load current which may cause the supply to fall

out of regulation. The AAT4626 is also protected

from thermal overload which limits power dissipa-

tion and junction temperatures. The current limit

threshold is factory programmed at 1.0A, with a

maximum of 1.5A. The quiescent supply current is

typically a low 20µA. In shutdown mode, the supply

current decreases to less than 1µA.

•

Compliant to USB 1.1 and 2.0 specifications

2.7V to 5.5V Input voltage range

500mA (min) continuous current per channel

1.25A (max) current limit per channel

90mΩ typical R_DS(ON)

Low quiescent current

•

Typically 20µA

1µA max with Switches off

•

Thermal shutdown

Slew rate limited turn on

Fault flag with 2ms blanking

Undervoltage Lockout

Temp range -40 to 85°C

UL Approved—File No. E217765

8 pin SOP or TSSOP package

The AAT4626 is available in 8 pin SOP or TSSOP

specified over a -40 to 85°C temperature range.

Applications

The AAT4600 Series is a family of adjustable and

fixed SmartSwitch™ products with a range of cur-

rent handling capabilities. Single versions with

adjustable current limit (AAT4601) or fixed current

limit (AAT4625) as well as dual versions with fixed

current limit (AAT4626) are also available.

•

USB ports and peripherals

Notebook computers

Hot swap supplies

General purpose power switching

UL Recognized Component

Typical Application

100kΩ

V_CC5.0V

FLGA

AAT4626

ENA

FLGB

(ENA)

OUTPUTA

OUTA

ENB

OUTPUTB

OUTB

(ENB)

0.1µF

47µF

GND

4626.2002.1.0.93

12 3 4 5 6 7...14

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