Datasheet Linear Technology LTC4266CGW#PBF — Datenblatt

LTC4266
Quad IEEE 802.3at Power
over Ethernet Controller
Description Features
Four Independent PSE Channels
nn Compliant with IEEE 802.3at Type 1 and 2
nn 0.34О© Total Channel Resistance
nn 130mW/Port at 600mA
nn Advanced Power Management
nn 8-Bit Programmable Current Limit (I
LIM)
nn 7-Bit Programmable Overload Currents (I
CUT)
nn Fast Shutdown of Preselected Ports
nn 14.5-Bit Port Current/Voltage Monitoring
nn 2-Event Classification
nn Very High Reliability 4-Point PD Detection
nn 2-Point Forced Voltage
nn 2-Point Forced Current
nn High Capacitance Legacy Device Detection
nn LTC4259A-1 and LTC4258 Pin and SW Compatible
nn 1MHz I2C Compatible Serial Control Interface
nn Midspan Backoff Timer …