Datasheet Details
Part number:
LTC4271, LTC4270
Manufacturer:
Linear Technology
File Size:
379.74 KB
Description:
12-port poe/poe+/ltpoe++ pse controller.
Note:
This datasheet PDF includes multiple part numbers: LTC4271, LTC4270.
Please refer to the document for exact specifications by model.
LTC4271, LTC4270, 12-Port PoE/PoE+/LTPoE++ PSE Controller
The LTC®4270/LTC4271 chipset is a 12-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3at Type 1 and Type 2 (high power) compliant Power over Ethernet (PoE) systems.
Transformer-isolated communication protocol replaces expensive opto-couplers and complex isolated 3.3V supp
LTC4271 Features
* nn 12 Independent PSE Channels nn Compliant with IEEE 802.3at Type 1 and 2 nn Chipset Provides Electrical Isolation nn Reduced BOM Cost nn Eliminates up to 6 High Speed Opto-Couplers nn Eliminates Isolated 3.3V Power Supply nn Low Power Dissipation nn 0.25Ω Sense Resistance Per Channel nn Very High
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