LTC4265 Datasheet | Linear Technology

LTC4265 IEEE 802.3 at High Power PD Interface Controller with 2-Event Classification Recognition Features n IEEE 802.3af/at Powered Device (PD) Controller n IEEE 802.3at 2-event Classification Signaling n Programmable Classification Current n Flexible Auxiliary Power Support Using SHDN Pin n Rugged 100V Onboard MOSFET with 100m A Inrush Current Limit. n plementary Power Good Outputs n Onboard Signature Resistor n prehensive Thermal Protection n Undervoltage and Overvoltage Lockout n 12-Lead, 4mm × 3mm DFN Package Applications n 802.11n Access Points n High Power Vo IP Video Phones n RFID Reader Systems n PTZ Security Cameras and Surveillance Equipment Description The LTC®4265 is a 3rd generation Powered Device (PD) Interface controller intended for IEEE 802.3at high power Power-over-Ethernet (Po E) applications up to 25.5W. By supporting 1-event and 2-event classification signaling as defined by IEEE 802.3, the LTC4265 can be used in a wide range of product...