Monitor, Control and Protection Power-over-Ethernet (PoE) Interface Controllers

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Channels PSE/PD PoE Type Max Power IEEE-Compliant Detection IEEE-Compliant Classification IEEE-Compliant Disconnection Packages
Units # W
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LTC4270 & LTC4271 12 PSE 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC 7x8 QFN-52
LTC4269-2 1 PD 2 25.5 Yes (Internal 25k resistor) One Event, Two Event N/A 7x4 DFN-32
LTC4269-1 1 PD 2 25.5 Yes (Internal 25k resistor) One Event, Two Event N/A 7x4 DFN-32
LTC4267-3 1 PD 1 13 Yes (Internal 25k resistor) One Event N/A 5x3 DFN-16,SSOP-16
LTC4274 1 PSE 2 25.5 4-Point One Event, Two Event DC 5x7 QFN-38
LTC4274A 1 PSE 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC 5x7 QFN-38
LTC4290 & LTC4271 8 PSE 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC 6x6 QFN-40
LTC4279 1 PSE 1, 2, LTPoE++ 123 4-Point One Event, Two Event, LTPoE++ DC 4x5 QFN-20,SO-16
LTC4278 1 PD 2 25.5 Yes (Internal 25k resistor) One Event, Two Event N/A 7x4 DFN-32
LTC4274C 1 PSE 1 13 4-Point One Event DC 5x7 QFN-38
LTC4267-1 1 PD 1 13 Yes (Internal 25k resistor) One Event N/A SSOP-16
LTC4267 1 PD 1 13 Yes (Internal 25k resistor) One Event N/A 5x3 DFN-16,SSOP-16
LTC4257-1 1 PD 1 13 Yes (Internal 25k resistor) One Event N/A 3x3 DFN-8,SO-8
LTC4257 1 PD 1 13 Yes (Internal 25k resistor) One Event N/A 3x3 DFN-8,SO-8
LT4295 1 PD 1, 2, 3, 4 71 Yes (Internal 25k resistor) One Event, Two Event, Three Event, Four Event, Five Event - 4x5 QFN-28
LT4276 1 PD 1, 2, LTPoE++ 90 Yes (Internal 25k resistor) One Event, Two Event N/A 4x5 QFN-28
LTC4263 1 PSE 1 12.95 2-Point One Event DC or AC 4x3 DFN-14,SO-14
LTC4263-1 1 PSE - 30 2-Point One Event DC or AC 4x3 DFN-14
LTC4266C 4 PSE 1 13 4-Point One Event DC 5x7 QFN-38
LTC4266A 4 PSE LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC 5x7 QFN-38
LTC4266 4 PSE 2 25.5 4-Point One Event, Two Event DC 5x7 QFN-38,SSOP-36
LTC4265 1 PD 2 25.5 Yes (Internal 25k resistor) One Event, Two Event N/A 4x3 DFN-12
LT4275 1 PD 1, 2, LTPoE++ 90 Yes (Internal 25k resistor) One Event, Two Event N/A 3x3 DFN-10,MS-10