PM8800A Datasheet (STMicroelectronics) - Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller

PM8800A, Integrated IEEE 802.3af compliant PoE-PD interface and PWM controller

The PM8800A integrates a standard power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices.

The PoE interface incorporates all the functions required by the IEEE 802.3af including detection, classification, under

PM8800A Features

* IEEE 802.3af compliant PD interface

* Works with power supplied from Ethernet LAN cables or from local auxiliary sources

* Integrated 100 V, 0.5 Ω, 800 mA hot-swap MOSFET

* Integrated signature resistor

* Programmable in-rush current limit

* Programmable classification curr