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13W/30W 802.3af/at PoE PD and Integrated DC-DC Controller

          • Full support of both IEEE® Std. 802.3af-2005 and IEEE® Std. 802.3at-2009 power requirements

          • "2-Event" classification for 802.3at higher power PDs

          • Robust Type 2 PSE detector with proprietary digital filtering for line noise to eliminate false positives

          • IEC 61000-4-2/3/4/5/6 requirements for EMC Compliance

          • Integrated Surge Protection for 15kV/8kV System level ESD Compliance

          • Integrated DC-DC controller for exceptional EMI performance

          • Programmable DC current limit up to 720mA for 30W applications

          • Seamless support for local power, down to 9.5V

          • Implemented in robust 100V automotive process

          • Low Rds-on Hot-Swap FET (typical 0.8Ω)

          • Integrated Short-Circuit Protection

          • Over temperature protection

          • Industrial temperature range, -40°C to +85°C

          • 5x5 mm, 20 lead QFN Package, RoHS compliant


  • Pan, tilt and zoom (PTZ), security and web cameras

  • Voice over IP (VoIP) phones

  • Wireless LAN access points, WiMAX terminals

  • Point-of-sale (PoS) terminals, RFID terminals

  • Thin clients and notebook computers

  • Fiber-to-the-home (FTTH) terminals

Key Electrical Specifications

Vin(Min) Vin(Max) PoE PD Support Control  Topology Number of Output Rails High Voltage Isolation Package
9.5V 57V 802.3af&at HW Mode Flyback 1 External QFN-5x5-20L-0.9

Typical Application Diagram