LTC4274 Datasheet (Linear Technology) - Single PoE+PSE Controller

LTC4274, Single PoE+PSE Controller

The LTC®4274 is a single power sourcing equipment controller designed for use in IEEE 802.3 Type 1 and Type 2 (high power) compliant Power over Ethernet systems.

External power MOSFETs enhance system reliability and minimize channel resistance, cutting power dissipation and eliminating the need for

LTC4274 Features

* nn Compliant with IEEE 802.3at Type 1 and 2 nn 0.34Ω Total Channel Resistance nn 130mW/Port at 600mA nn Advanced Power Management nn 8-Bit Programmable Current Limit (ILIM) nn 7-Bit Programmable Overload Currents (ICUT) nn Fast Shutdown nn 14.5-Bit Port Current/Voltage Monitoring nn 2-Event Classifi