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US201 - HIGH-SIDE POWER SWITCHES

Download the US201 datasheet PDF. This datasheet also covers the US201C variant, as both devices belong to the same high-side power switches family and are provided as variant models within a single manufacturer datasheet.

General Description

The UTC US201/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.

Key Features

  • N-Channel MOSFET.
  • Supply Current:.
  • Switch On : 25μA(Typ).
  • Switch Off : 1μA (Typ).
  • Load Current 500mA for US201 and 1.0A for US201A/B/C.
  • Input Voltage from 2V ~ 5.5V.
  • In Off-State: Output Voltage can be Higher than Input.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (US201C-UnisonicTechnologies.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Unisonic Technologies

Part Number Description
US201A HIGH-SIDE POWER SWITCHES
US201B HIGH-SIDE POWER SWITCHES
US201C HIGH-SIDE POWER SWITCHES
US2005 FIXED CURRENT LIMIT POWER DISTRIBUTION SWITCH
US202 POWER DISTRIBUTION SWITCHES

Full PDF Text Transcription (Reference)

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

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD US201/A/B/C HIGH-SIDE POWER SWITCHES WITH FLAG  DESCRIPTION The UTC US201/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 80mΩ 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.