Datasheet > AAT4682

AAT4682

更新时间： 2022-12-12 04:37:31

品牌	Logo	应用领域
ANALOGICTECH		开关
页数	文件大小	规格书
8页	243K
描述
Dual Electronic Resettable Switches

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AAT4682 数据手册

AAT4682

Dual Electronic Resettable Switches

™

SmartSwitch

General Description

Features

The AAT4682 Dual Electronic Resettable fuse is

part of the AnalogicTech Application Specific Power

MOSFET (ASPM™) line of products. It has two 1A

current limited P-channel MOSFET power devices

that remain fully enhanced as long as the input

power supply is above an under voltage lockout

threshold, and the load is below the current limit

setting. If the load increases above the current limit

setting, as is the case during a short circuit, the

MOSFET effectively becomes a constant current

source equal to the current limit. If the current limit

condition persists long enough to heat the MOSFET

to an extreme temperature, both devices will ther-

mal cycle off and on until the current limit condition

is removed. Independent open drain FAULT flags

signal an over current or over temperature condi-

tion. Quiescent current typically is a low 10µA.

•

Dual P-Channel MOSFETS

500mA steady state load current

600mA minimum current limit trip point

Low quiescent current, typically 10µA.

Over temperature protection

Fast transient response:

•

< 1µs response to short circuit

•

400mΩ typical R_DS(ON)

Undervoltage Lockout

Temp range -40 to 85°C

FAULT flag with 2ms blanking

6-pin SOT23 package

Applications

The AAT4682 is available in a 6 pin SOT-23, spec-

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

•

USB ports

Peripheral ports

Desktop PCs

Cell phone ports

Typical Application

AAT4682

OUTA

OUTB

INPUT

OUTA

OUTB

FAULTA

FAULTB

FAULTA

FAULTB

GND

C_IN

1µF

C_OUTA

1µF

C_OUTB

1µF

GND

4682.2001.11.0.9

12 3 4 5 6 7 8

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