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LTC4290

Linear Technology
Part Number LTC4290
Manufacturer Linear Technology
Description 8-Port PoE/PoE+/LTPoE++ PSE Controller
Published Mar 21, 2016
Detailed Description FEATURES nn Eight Independent PSE Channels nn Compliant with IEEE 802.3at Type 1 and 2 nn Chipset Provides Electrical Is...
Datasheet PDF File LTC4290 PDF File

LTC4290
LTC4290

Overview
FEATURES nn Eight 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 I2C Compatible Serial Control Interface nn Available In Three Power Grades nn A-Grade – LTPoE++™ 38.
7W to 90W nn B-Grade – PoE+ 25.
5W nn C-Grade – PoE 13W nn Available In a 40-Lead 6mm × 6mm (LTC4290) and 24-Lead 4mm × 4mm (LTC4271) QFN Package APPLICATIONS nn PoE PSE Switches/Routers nn PoE PSE Midspans LTC4290/LTC4271 8-Port PoE/PoE+/LTPoE++ PSE Controller DESCRIPTION The LTC®4290/LTC4271 chipset is an 8-port power sourcing equipment (PSE) controller designed for use in IEEE 802.
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