MC34670 Datasheet (Freescale Semiconductor)

MC34670, IEEE 802.3af PD

www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC34670 Rev.

3.0, 12/2006 IEEE 802.3af PD With Current Mode Switching Regulator The 34670 combines a Power Interface Port for IEEE 802.3af Powered Devices (PD) and a high performance current mode switching regulator.

It allows a designer to build PDs with a minimum of external components by means of integrating the required IEEE 802.3af functions and all functions necessary to build a high efficiency DC/DC conver

MC34670 Features

* Integrated IEEE 802.3af Compliant Interface Signature Detection and Classification Functionality Integrated Isolation Switch Programmable Inrush Current Limiting Control