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US2026A - DUAL-CHANNEL USB POWER SWITCH AND OVER-CURRENT PROTECTION

General 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.

Key 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.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.