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LTC4259A-1 Description

LTC4259A-1 Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect.

LTC4259A-1 Key Features

  • Controls Four Independent
  • 48V Powered Ethernet Ports
  • Each LTC4259A-1 Port Includes
  • IEEE 802®.3af pliant PD Detection and Classification
  • Output Current Limit with Foldback
  • Short-Circuit Protection with Fast Gate Pull-Down
  • PD Disconnect Using AC or DC Sensing
  • Improved AC Disconnect
  • Improved UVLO
  • Operates Autonomously or Controlled by I2CTM Serial Interface