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US2026AL

DUAL-CHANNEL USB POWER SWITCH AND OVER-CURRENT PROTECTION

Unisonic Technologies 

UNISONIC TECHNOLOGIES CO., LTD

US2026A

DUAL-CHANNEL USB POWER

SWITCH AND OVER-CURRENT

PROTECTION

CMOS IC

„ DESCRIPTION

The UTC US2026A is a standard dual channels power switch with

independent over-current protection fault flag functions, optimized for

bus-powered Universal Serial Bus (USB) and self-powered

applications, including Notebook and desktop PC’s that supply

power to more than one port.

The UTC US2026A also offers thermal shutdown protection that

reduces current consumption in fault modes for each switch and the

entire device. With a 1ms delay on the fault FLAG output prevents

erroneous over current reporting caused by in-rush currents during

hot-plug events.

In addition, the UTC US2026A employs soft-start circuitry that

minimizes in-rush current in applications where highly capacitive

loads are employed.

SOP-8

*Pb-free plating product number: US2026AL

„ FEATURES

* Two P-channel power MOSFET control switch

* 110µA Max operating current

* 5µA Max standby current

* 145 mΩ Max switch resistance

* 2.7V ~ 5.5V input voltage range

* 500mA minimum continuous load current

* Smooth turn-on eliminates in-rush induced voltage drop

* 1 ms fault flag delay filters Hot-Plug events

* Over-current protection

* Under-voltage lockout circuit

* Thermal shutdown protection

* Flag indicates fault conditions

„ ORDERING INFORMATION

Ordering Number

Normal

Lead Free Plating

US2026A-S08-R

US2026AL-S08-R

US2026A-S08-T

US2026AL-S08-T

Package

SOP-8

SOP-8

Packing

Tape Reel

Tube

www.unisonic.com.tw

Copyright © 2007 Unisonic Technologies Co., Ltd

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