IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support Features: 25.5W IEEE 802.3at Compliant (Type-2) PD PoE+ 2-Event Classification IEEE 802.3at High Power Available Indicator Integrated State-of-the-Art Synchronous Forward Controller – Isolated Power Supply Efficiency >94% Flexible Auxiliary Power Interface Superior EMI Performance Robust 100V 0.7Ω (Typ) Integrated Hot Swap™ MOSFET Integrated Signature Resistor, Programmable Class Current, UVLO, OVLO and Thermal Protection Short-Circuit Protection with Auto-Restart Programmable Switching Frequency from 100kHz to 500kHz Thermally Enhanced 7mm × 4mm DFN Package