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US222 - 0.5A TO 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES

General Description

The UTC US222 are low voltage cost-effective high-side power switches with flag function.

These devices are particularly suitable for self-powered and bus-powered USB applications.

The build-in N-MOSFET’s RDS(ON) which meets the requirements of USB voltage drop is as low as 85 mΩ.

Key Features

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  • Low MOSFET On Resistance: 85mΩ.
  • Under-voltage Lockout.
  • Compliant to USB Specifications.
  • Over-current Protection.
  • Available 4 Versions of Continuous Load: 0.5A/1.0A/1.5A/2.0A.
  • Over Temperature Protection.
  • Logic Level Enable Pin: Available with Active-high or Active-low.
  • Load Short Protection with Fold-back Version.
  • Deglitched FLAG Output with Open Drain.
  • Low Supply Current: 68µA (Typ. ).
  • No Reverse Current When Power Off.
  • Low Sh.

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Full PDF Text Transcription for US222 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for US222. For precise diagrams, and layout, please refer to the original PDF.

UNISONIC TECHNOLOGIES CO., LTD US222 Preliminary LINEAR INTEGRATED CIRCUIT 0.5A TO 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES  DESCRIPTION The UTC US222 are low voltage ...

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WER DISTRIBUTION SWITCHES  DESCRIPTION The UTC US222 are low voltage cost-effective high-side power switches with flag function. These devices are particularly suitable for self-powered and bus-powered USB applications. The build-in N-MOSFET’s RDS(ON) which meets the requirements of USB voltage drop is as low as 85 mΩ. The UTC US222 contains a charge pump circuitry to drive the internal MOSFET switch and also incorporate such protection circuits: soft-start circuit protect these devices from being damaged by limiting inrush current during plug-in; thermal shutdown circuit is used to prevent catastrophic switch failure fro

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