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SP2526A - Dual Channel USB Power Distribution Switch

Description

The SP2526A device is a dual +3.0V to +5.5V USB Supervisory Power Control Switch ideal for self-powered and bus-powered Universal Serial Bus (USB) applications.

Each switch has low on-resistance (110mΩ typical) and can supply 500mA minimum.

Features

  • +3.0V to +5.5V Input Voltage Range.
  • Two Independent Power Switches.
  • Two Error Flag Outputs, Open Drain.
  • 2.6V Undervoltage Lockout.
  • 1.25A Short Circuit Current Limit.
  • 150mΩ Maximum On-Resistance.
  • 110μA On-State Supply Current.
  • 1μA Shutdown Current.
  • Output can be Forced Higher than Input (Off-State).
  • Thermal Shutdown.
  • 1ms Soft Start Power Up, Fast Turn Off.
  • Active-high Version: SP2526A-1.
  • Active-low Version: SP2526A-2.
  • RoHS Com.

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Full PDF Text Transcription

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November 2011 SP2526A Dual Channel USB Power Distribution Switch Rev. 2.1.0 GENERAL DESCRIPTION The SP2526A device is a dual +3.0V to +5.5V USB Supervisory Power Control Switch ideal for self-powered and bus-powered Universal Serial Bus (USB) applications. Each switch has low on-resistance (110mΩ typical) and can supply 500mA minimum. The fault currents are limited to 1.0A typical and the flag output pin for each switch is available to indicate fault conditions to the USB controller. The thermal shutdown feature will prevent damage to the device when subjected to excessive current loads. The undervoltage lockout feature will ensure that the device will remain off unless there is a valid input voltage present.
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