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US2026A

Unisonic Technologies
Part Number US2026A
Manufacturer Unisonic Technologies
Description DUAL-CHANNEL USB POWER SWITCH AND OVER-CURRENT PROTECTION
Published Mar 12, 2016
Detailed Description UNISONIC TECHNOLOGIES CO., LTD US2026A DUAL-CHANNEL USB POWER SWITCH AND OVER-CURRENT PROTECTION CMOS IC „ DESCRIPTION...
Datasheet PDF File US2026A PDF File

US2026A
US2026A

Overview
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 1 of 11 QW-R502-086.
B US2026A „ PIN CONFIGURATIONS EN1 1 FLAG1 2 UTC FLAG2 3 US2026A EN2 4 8 OUT1 7 IN 6 GND 5 OUT2 CMOS IC „ PIN DESCRIPTION PIN NO 1 2 3 4 5 6 7 8 PIN NAME EN1 FLAG1 FLAG2 EN2 OUT2 GND IN OUT1 DESCRIPTION Switch1 Enable input: Logic-compatible enables inputs Fault Detection Flag 1 (OUTPUT): Active-low.
N-ch open-drain.
Indicates over-current, thermal shutdown, or UVLO conditions Fault Detection Flag ...


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