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i2c/poe pse

Abstract: LTC4271 "power sourcing equipment"
Contextual Info: LTC4290/LTC4271 8-Port PoE/PoE+/LTPoE+ PSE Controller Features Description Eight Independent PSE Channels n Compliant with IEEE 802.3at Type 1 and 2 n Chipset Provides Electrical Isolation Reduced BOM Cost Eliminates up to 6 High Speed Opto-Couplers Eliminates Isolated 3.3V Power Supply