PM8803 - STMicroelectronics

Description: IEEE 802.3at compliant PD interface  Works with power supplied from Ethernet LAN cables or from local auxiliary sources  Successful IEEE802.3at Layer1 classification indicator  Integrated 100 V, 0.45 Ω, 1 A hot-swap MOSFET  Accurate 140 mA typ. inrush current level  Programmable classification current  Programmable DC current limit up to 1 A  Integrated high voltage start-up bias regulator  Thermal shutdown protection  Current mode pulse width modulator  Programmable oscillator frequ