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

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Channels PoE Type Max Power IEEE-Compliant Detection IEEE-Compliant Classification IEEE-Compliant Disconnection I2C Interface Packages Description Temp Range Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Export Control Terminal Finish Auto & Transport
Units # W yes/no mm² mm yes/no
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LTC4270 & LTC4271 12 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC yes 7x8 QFN-52 12 Independent PSE Channels, Compliant with IEEE 802.3at Type 1 (13W) and Type 2 (25.5W) and LTPoE++ (35W to 90W) I - DC1840C yes no 2011-04-14 $9.00 (LTC4270BIUKG) PoE Power Sourcing Equipment (PSE) 56mm² (7x8 QFN-52) 0.75mm (7x8 QFN-52) no Matte Tin yes
LTC4290 & LTC4271 8 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC yes 6x6 QFN-40 8 Independent PSE Channels, Compliant with IEEE 802.3at Type 1 (13W) and Type 2 (25.5W) and LTPoE++ (35W to 90W) I - DC1843B no no 2012-08-20 $7.00 (LTC4290BIUJ) PoE Power Sourcing Equipment (PSE) 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) no Matte Tin no
LTC4266A 4 LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC yes 5x7 QFN-38 Quad PoE/PoE+/LTPoE++ PSE Controller I - DC1815A-A,DC1815A-C,DC1815A-D,DC1815A-B yes no 2011-06-14 $6.00 (LTC4266AIUHF-1) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no Matte Tin yes
LTC4274A 1 1, 2, LTPoE++ 90 4-Point One Event, Two Event, LTPoE++ DC yes 5x7 QFN-38 Single PoE/PoE+/LTPoE++ PSE Controller I LTspice Model DC1814A-D,DC1814A-A,DC1814A-B,DC1814A-C no no 2011-06-14 $5.40 (LTC4274AIUHF-1) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no Matte Tin no
LTC4266C 4 1 13 4-Point One Event DC yes 5x7 QFN-38 Quad PoE PSE Controller I - DC1815A-A,DC1815A-C,DC1815A-D,DC1815A-B yes no 2011-06-14 $5.00 (LTC4266CIUHF) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no Matte Tin yes
LTC4266 4 2 25.5 4-Point One Event, Two Event DC yes 5x7 QFN-38,SSOP-36 Quad IEEE 802.3at Power over Ethernet Controller C,I - DC1366B no no 2009-05-27 $5.00 (LTC4266CGW) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) no Matte Tin yes
LTC4274 1 2 25.5 4-Point One Event, Two Event DC yes 5x7 QFN-38 Single IEEE 802.3at Power Over Ethernet Controller C,I LTspice Model DC1567B no no 2009-11-02 $4.50 (LTC4274CUHF) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no Matte Tin no
LTC4274C 1 1 13 4-Point One Event DC yes 5x7 QFN-38 Single PoE PSE Controller I LTspice Model DC1814A-D,DC1814A-A,DC1814A-B,DC1814A-C no no 2011-06-14 $4.50 (LTC4274CIUHF) PoE Power Sourcing Equipment (PSE) 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) no Matte Tin no
LTC4279 1 1, 2, LTPoE++ 123 4-Point One Event, Two Event, LTPoE++ DC no 4x5 QFN-20,SO-16 Single Port PoE/PoE+/ LTPoE++ PSE Controller I - DC2541A yes yes 2017-01-10 $3.45 (LTC4279IS) PoE Power Sourcing Equipment (PSE) 20mm² (4x5 QFN-20),62mm² (SO-16) 0.75mm (4x5 QFN-20),1.75mm (SO-16) no Matte Tin no
LTC4263-1 1 - 30 2-Point One Event DC or AC no 4x3 DFN-14 High Power Single PSE Controller with Internal Switch C,I - - no no 2006-04-07 $2.95 (LTC4263CDE-1) PoE Power Sourcing Equipment (PSE) 12mm² (4x3 DFN-14) 0.75mm (4x3 DFN-14) no Matte Tin no
LTC4263 1 1 12.95 2-Point One Event DC or AC no 4x3 DFN-14,SO-14 Single IEEE 803.2af Compliant PSE Controller with Internal Switch C,I - DC981A/B no no 2006-04-07 $2.95 (LTC4263CDE) PoE Power Sourcing Equipment (PSE) 12mm² (4x3 DFN-14),54.1mm² (SO-14) 0.75mm (4x3 DFN-14),1.75mm (SO-14) no Lead,Matte Tin no