DC2046A-F, Demonstration Circuit is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321). The LT4276 provides IEEE802.3af (PoE, Type 1), IEEE802.3at (PoE+, Type 2) and LTPoE++ PD interfacing and power supply control