LTC4271, LTC4270 - 12-Port PoE/PoE+/LTPoE++ PSE Controller

Linear Technology

LTC4271 Datasheet Preview — This datasheet PDF includes multiple part numbers: LTC4271, LTC4270. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	LTC4271, LTC4270
Manufacturer	Linear ↗ Technology
File Size	379.74 KB
Description	12-Port PoE/PoE+/LTPoE++ PSE Controller
Datasheet	LTC4270-LinearTechnology.pdf
Note	This datasheet PDF includes multiple part numbers: LTC4271, LTC4270. Please refer to the document for exact specifications by model.

LTC4271 Product details

Description

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.

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 Reliability 4-Point PD Detection nn 2-Point Forced Voltage nn 2-Point Forced Current nn VEE and VPORT Monitoring nn 1 Second Rolling IPORT Averaging nn Supports 2-Pair and 4-Pair Output Power nn 1MHz.

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Published: Mar 21, 2016 |