AS1844 IEEE802.3af / 802.3at PoE PD Controller

GreenEdge™ IEEE802.3af/802.3at (13W-30W) PoE PD Controller with HV Isolation and Quad DC-DC outputs

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Product Documents

IEEE802.3af/802.3at (13W-30W) PoE PD Controller

  • Digitally Isolated Programmable Power
  • PoE PD Controller
  • Type 1 IEEE® 802.3af and Type2 IEEE® 802.3at Compliant PD for upto 30W applications
  • Automatic PoE-Plus (Type2) detection with Secondary-side isolated indicator

Primary-Side DC-DC Controller

  • High-efficiency DC-DC Controller with Digital Optimization
  • Primary-Secondary High-voltage integrated Digital Isolation
  • Programmable Primary Clock Frequency
  • Local-power operation down to 9.5V

Secondary-Side Power Outputs

  • Programmable PWM Frequencies synched to External Clock
  • Output #1: Sync Controller with programmable power-FET timing for high efficiency at both light and full load
  • Outputs #2 & #3: Fully integrated Buck Regulators w/2A FETs
  • Output #4: DC-DC Controller for Buck, Boost, or LED Driver

Key Applications

  • Voice-over-IP (VoIP) phones
  • Wireless LAN & WiMAX access points (WAP)
  • Pan, Tilt, Zoom (PTZ) Cameras, IP cameras
  • Thin-client and notebook computers
  • Fiber-to-the-home (FTTH) terminals
  • Point-of-sale (PoS) terminals, RFID readers


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