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US223 - HIGH-SIDE POWER SWITCHES

Datasheet Summary

Description

The UTC US223 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 80mΩ.

Features

  • r>.
  • Input Voltage Varies From 3.5V to 5.5V.
  • Built-in N-MOSFET.
  • Output Can Be Forced Higher Than Input (Off-State).
  • Typical Low Supply Current: - Switch On: 25μA (TYP) - Switch Off: 0.1μA (TYP).
  • Open-Drain Fault Flag Output To Indicate Fault Conditions.
  • Protection Circuits: - Soft-start( Hot plug-in.

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Datasheet preview – US223

Datasheet Details

Part number US223
Manufacturer UTC
File Size 212.05 KB
Description HIGH-SIDE POWER SWITCHES
Datasheet download datasheet US223 Datasheet
Additional preview pages of the US223 datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD US223 Preliminary HIGH-SIDE POWER SWITCHES WITH FLAG CMOS IC  DESCRIPTION The UTC US223 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 80mΩ. The UTC US223 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 from high-current loads.
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