Datasheet > US3X77_15

US3X77_15

更新时间： 2024-10-03 02:59:03

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
10页	607K
描述
POWER DISTRIBUTION SWITCH

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中文翻译

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数据手册

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US3X77_15 数据手册

UNISONIC TECHNOLOGIES CO., LTD

US3X77

CMOS IC

POWER DISTRIBUTION SWITCH

DESCRIPTION

The UTC US3X77 is a power distribution switch and particularly

designed for self-powered and bus-powered Universal Serial Bus

(USB) applications.

The UTC US3X77 incorporates protection circuits including

current limiting circuit with foldback function, thermal shutdown circuit

designed to prevent catastrophic switch failure due to increasing

power dissipation when continuous heavy loads or short circuit

occurs. Besides, 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.

The R_DS(ON)of the MOSFET switch is as low as 100mΩ. OC is

open-drain output report over-current or over-temperature event

which has deglitch typical 9ms timeout period typically 9ms.

The UTC US3X77 is applied in 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.

FEATURES

* 100mΩ High-Side MOSFET

* Supply Current:

Switch on : 65μA(Typ)

Switch off : 1μA (Max)

* Accurate Current Limit with Foldback

* Deglitched Open-Drain Over-Current Flag Output (OC)

* No Reverse Current when Power Off

* Under voltage Lockout

* Operating Range:2.7V ~ 5.5V

* Output Shutdown Pull-low Resistor

ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

US3X77XL-S08-R

US3X77XG-S08-R

US3X77XG-S08-T

SOP-8

Tape Reel

Tube

US3X77XL-S08-T

US3X77XL-SM1-R

US3X77XL-SM1-T

US3X77XG-SM1-R

US3X77XG-SM1-T

MSOP-8

Tape Reel

Tube

www.unisonic.com.tw

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QW-R502-568.B

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中文翻译

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