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ET20162
General Description

The ET20162 are current limited P-channel MOSFET power switch designed for high-side load switching applications. This switch operates with inputs ranging from 2.5V to 5.5V, making it ideal for both 3.3V and 5V systems. An integrated current-limiting circuit protects the input supply against large currents which may cause the supply to fall out of regulation. The ET20162 is also protected from thermal overload which limits power dissipation and junction temperatures. Current limit threshold is fixed internally. The quiescent supply current in active mode is only 25μA. In shutdown mode, the supply current decreases to less than 1μA.
The ET20162 is available in Pb-free packages and is specified over the -40°C to +85°C ambient temperature range.

Features
  • Input Voltage Range: 2.5V to 5.5V

  • Fixed Current Limit

  • Reverse Current Blocking

  • Short-Circuit Response: 2us

  • Very Low Quiescent Current: 25μA (Typ)

  • 1μA Max Shutdown Supply Current

  • Under-Voltage Lockout

  • Thermal Shutdown

  • 4kV ESD Rating

  • Ambient Temperature Range: -40°C to +85°C

  • Part No. and Package


Applications
  • Laptop/Desktop Computers and NetBooks

  • 3G Wireless Cards

  • Smart Phones and PDAs

  • LCD TVs and Monitors

  • Printers

  • Portable Game Players

  • Portable Media Players and MIDs

  • USB Hard Disk Drives

  • USB Memory Drives

  • USB Hubs


Pin Configuration

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Block Diagram

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Application Circuits

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