Datasheet > US2076B

US2076B

更新时间： 2024-10-30 07:08:59

品牌	Logo	应用领域
友顺 - UTC		开关电源开关
页数	文件大小	规格书
8页	219K
描述
DUAL USB HIGH-SIDE POWER SWITCHDUAL USB HIGH-SIDE POWER SWITCH

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US2076B 数据手册

UNISONIC TECHNOLOGIES CO., LTD

US2076B

Preliminary

CMOS IC

DUAL USB HIGH-SIDE POWER

SWITCH

DESCRIPTION

The UTC U2076B is a dual integrated high-side power switch

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

Bus (USB) applications.

The UTC U2076B meets the requirements of the USB. The low

on-resistance of the switch satisfies USB voltage drop requirements.

Fault current is limited to typically 750mA, well below the UL 25VA

safety requirement. Flag outputs are available to indicate fault

conditions to the local USB controller. In addition, soft start can

eliminate the momentary voltage drop which is generated on the

upstream port that may occur when the switch is enabled in

bus-powered applications.

SOP-8

This device has independent functions enable and flag, and an enable

input is compatible with both 3.3V and 5V logic.

The UTC U2076B includes protection circuits. Thermal shutdown

circuit is designed to protect the device from being damaged when

high-current loads exist. UVLO (Under-voltage lockout) is used to keep

the device off unless there is a valid input voltage present.

The UTC U2076B is used in application such as USB host and

self-powered hubs, bus-powered hubs, hot plug-in power supplies and

battery-charger circuits.

FEATURES

* MOSFET with Low On-Resistance: 140mΩ max.@5.0V per Channel

* Continuous Load Current: 500mA (MIN.) per Channel

* Off-State Supply Current: 1µA (TYP.)

* Output can be Forced Higher than Input (Off-State)

* Current Limit up to 1.25A (MAX.)

* Input Supply Voltage: 3.0V ~ 5.5V

* On-State Supply Current: 110µA (TYP.)

* Thermal Shutdown Protection Circuit

* UVLO (Undervoltage Lockout): 2.4V (TYP.)

* Open-Drain Fault Flag

* 1ms Turn-On (Soft-Start) and Fast Turn-Off

* Compliant to USB Specifications

* Available with Active-High Enable

ORDERING INFORMATION

Ordering Number

US2076BG-S08-R

Package

SOP-8

Packing

Tape Reel

www.unisonic.com.tw

1 of 8

QW-R502-447.a

12 3 4 5 6 7 8

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