Datasheet > LND3526

LND3526

更新时间： 2024-10-19 05:42:27

品牌	Logo	应用领域
LINEAR_DIMENSIONS		开关功率控制
页数	文件大小	规格书
7页	183K
描述
DUAL USB POWER CONTROL SWITCH

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LND3526 数据手册

DATA SHEET

LND 3526

DUAL USB POWER CONTROL SWITCH

GENERAL DESCRIPTION

FEATURES

The LND3526, is a dual high side power control

switch, with independent enable and flag

functions optimized for self powered and bus-

powered universal serial bus (USB) applications.

•

USB specification compliant

Over-Current Protection

2 independent switches

140 mΩ maximum on-resistance

Thermal shutdown

5µA Maximum standby supply current

2.4V typical under-voltage lockout

(UVLO)

3V to 5.5V input

Active-high or active-low ENABLE

versions

The LND3526 satisfies the following USB

requirements: Each switch channel supplies up

to 500mA with internal circuitry limiting the fault

current to 750mA. The switch’s 140mΩ on-

resistance meets USB voltage drop

requirements. A flag output is available to

indicate fault conditions to the local USB

controller.

•

Independent open drain fault flag pins

500mA continuous load current per

switch

Additional features include: lockout (UVLO) to

ensure that the device remains off until there is a

valid input voltage present, thermal shutdown to

prevent switch failure from high current loads

and 3.3V and 5V logic compatible enable inputs.

APPLICATIONS

The LND3526 is available in active-high and

active-low versions in 8-pin die and SOIC

packages.

•

USB host and self powered hubs

USB bus-powered hubs

USB monitors, printers, cameras and

other USB controlled peripherals

•

Hot plug-in power supplies

Battery charger circuits

• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •

12 3 4 5 6 7

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