Download US203 Datasheet PDF
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US203 Description

The UTC US203 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.

US203 Key Features

  • 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 application)
  • UVLO 1.7V (TYP.)