Datasheet > G5243AT11U

G5243AT11U

更新时间： 2024-09-18 01:19:47

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描述
High-Side Power Distribution Switch

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数据手册

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G5243AT11U 数据手册

Global Mixed-mode Technology Inc.

G5243A

High-Side Power Distribution Switch

Features

General Description

120mΩ High-Side MOSFET

The G5243A is an integrated 120mΩ power switch for

2A of Current Limits with Foldback

Operating Range:2.7V to 5.5V

1.9ms Typical V_OUTTurn-On Rise Time

Under voltage Lockout

65µA Quiescent Supply Current

1µA Maximum Standby Supply Current

Active-High Enable Pin

No Reverse Current when Power Off

Shutdown Discharge Function at OUT Pin

SOT-23-5 Package

self-powered and bus-powered Universal Serial Bus

(USB) applications.

Several Protection features include current limiting

with foldback, and thermal shutdown to prevent catas-

trophic switch failure caused by increasing power dis-

sipation when continuous heavy loads or short circuit

occurs. And a built-in charge pump is used to drive the

N-channel MOSFET that is free of parasitic body diode

to eliminate any reversed current flow across the

switch when it is powered off. G5243A has shutdown

discharge function when power switch is off. The typi-

cal pull low resistor is 75Ω.

Applications

High-Side Power Protection Switch

USB Power Management

USB Host and Self-Powered Bubs

USB Bus-Powered Hubs

Hot Plug-In Power Supplies

Battery-Charger Circuits

Its low quiescent supply current and small package

(SOT-23-5) is particularly suitable in battery-powered

equipment, like PDA, mobile phone.

Ordering Information

SHUTDOWN

PULL LOW

RESISTOR

ORDER

NUMBER

TEMP.

RANGE

PACKAGE

(Green)

MARKING

523Ax

G5243AT11U

75Ω

-40°C to +85°C

SOT-23-5

Note: T1: SOT-23-5

1: Bonding Code

U: Tape & Reel

Pin Configuration

Typical Application Circuit

G5243A

OUT

V_IN

V_OUT

OUT

GND

OFF

C_OUT

4.7µF

C_IN

1µF

SOT-23-5

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver 1.0

Dec 22, 2008

中文翻译

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