Datasheet > US211ALL-AF5-R

US211ALL-AF5-R

更新时间： 2024-11-06 15:56:15

品牌	Logo	应用领域
友顺 - UTC		驱动接口集成电路
页数	文件大小	规格书
9页	292K
描述
Buffer/Inverter Based Peripheral Driver

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技术参数
数据手册

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US211ALL-AF5-R 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.59
Is Samacsys：	N	接口集成电路类型：	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
Base Number Matches：	1

US211ALL-AF5-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

US211/A/B/C

CMOS IC

HIGH-SIDE POWER SWITCHES

WITH FLAG



DESCRIPTION

The UTC US211/A/B/C series are 80mΩ high-side power

switches. There’s internal single low voltage N-Channel MOSFET

which makes it an ideal for all USB applications. This MOSFET

should be driven by a charge pump circuitry inside. Its switch on

resistance is as low as 80mꢀ which we know specially meets the

drop voltage for USB applications.

The flag pin can output an open-drain fault flag to next controller.

There’re lots internal special ways for protecting the chip’s

operation.

When in hot-plug events, there’s large current which can create

the upstream voltage droop to match the USB’s voltage droop

requirements and soft-start for isolating the power source.

As soon as the die temperature is higher than 130℃, the internal

shutdown circuit will work.

Only when there’s a normal input voltage in the V_INpin, the

UVLO (under-voltage lockout, 1.3V/2.5V typ.) can make sure the

chip is till in the off state.

Because of the requirement of USB power the fault current

should be ensured less than 0.6A/1.1A (UTC US211/A, single port)

and 1.3A /1.5A (UTC US211B/C, dual ports).



FEATURES

* 80mꢀ(Typ) N-Channel MOSFET

* Supply Current:

– Switch On : 25μA(Typ)

– Switch Off : 1μA (Typ)

* Load Current 500mA for US211 and 1.0A for US211A/B/C

* Input Voltage from 2V ~ 5.5V

* In Off-State: Output Voltage can be Higher than Input



ORDERING INFORMATION

Ordering Number

Package

SOT-25

Packing

Tape Reel

Lead Free

Halogen Free

US211XXG-AF5-R

US211XXL-AF5-R

www.unisonic.com.tw

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QW-R502-A67.B

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