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

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Channels PoE Type Topology Max Power IEEE-Compliant Classification IEEE-Compliant Detection Temp Range Packages Description IEEE-Compliant Disconnection Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Export Control Auto & Transport Terminal Finish
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LT4295 1 1, 2, 3, 4 Flyback, Forward 71 One Event, Two Event, Three Event, Four Event, Five Event Yes (Internal 25k resistor) I,H 4x5 QFN-28 IEEE 802.3bt PD Interface with Forward/Flyback Controller - - DC2475A-A,DC2476A-A,DC2539A-A yes yes 2016-08-04 $3.10 (LT4295IUFD) PoE Powered Device (PD) 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) no no Matte Tin
LT4276 1 1, 2, LTPoE++ Flyback, Forward 90 One Event, Two Event Yes (Internal 25k resistor) I,H 4x5 QFN-28 LTPoE++/PoE+/PoE PD Forward/Flyback Controller N/A LTspice Model DC2047A-A,DC2046A-A,DC2046A-B,DC2046A-C,DC2046A-D,DC2046A-E,DC2046A-F,DC2262A-A,DC2262A-B yes yes 2015-06-22 $2.25 (LT4276CIUFD) PoE Powered Device (PD) 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) no no Matte Tin
LT4275 1 1, 2, LTPoE++ - 90 One Event, Two Event Yes (Internal 25k resistor) I,H 3x3 DFN-10,MS-10 LTPoE++/PoE+/PoE PD Controller N/A LTspice Model DC2093A-A,DC2093A-B,DC2093A-C,DC2125A no no 2012-07-31 $1.45 (LT4275CIDD) Extended Temperature (H & MP) Power Management,PoE Powered Device (PD) 9mm² (3x3 DFN-10),14.7mm² (MS-10) 0.75mm (3x3 DFN-10),1.1mm (MS-10) no yes Matte Tin
LTC4269-1 1 2 Flyback 25.5 One Event, Two Event Yes (Internal 25k resistor) C,I 7x4 DFN-32 IEEE 802.3at PD with Synchronous No-Opto Flyback Controller N/A LTspice Model DC1335B-C,DC1335B-B no no 2009-06-08 $2.40 (LTC4269CDKD-1) PoE Powered Device (PD) 28mm² (7x4 DFN-32) 0.75mm (7x4 DFN-32) no no Matte Tin
LTC4278 1 2 Flyback 25.5 One Event, Two Event Yes (Internal 25k resistor) C,I 7x4 DFN-32 IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support N/A LTspice Model DC1561B no no 2009-06-25 $2.60 (LTC4278CDKD) PoE Powered Device (PD) 28mm² (7x4 DFN-32) 0.75mm (7x4 DFN-32) no no Matte Tin
LTC4267-3 1 1 Flyback 13 One Event Yes (Internal 25k resistor) C,I 5x3 DFN-16,SSOP-16 IEEE 802.3af PD with Integrated 300kHz Switching Regulator and Increased Current Limit N/A LTspice Model DC1249A no no 2005-05-24 $2.10 (LTC4267CGN-3) PoE Powered Device (PD) 15mm² (5x3 DFN-16),30.9mm² (SSOP-16) 0.75mm (5x3 DFN-16),1.75mm (SSOP-16) no no Lead,Matte Tin
LTC4269-2 1 2 Forward 25.5 One Event, Two Event Yes (Internal 25k resistor) C,I 7x4 DFN-32 IEEE 802.3at High Power PD and Sychronous Forward Controller with AUX Support N/A LTspice Model DC1351B no no 2009-06-08 $2.60 (LTC4269CDKD-2) PoE Powered Device (PD) 28mm² (7x4 DFN-32) 0.75mm (7x4 DFN-32) no no Matte Tin
LTC4265 1 2 - 25.5 One Event, Two Event Yes (Internal 25k resistor) C,I 4x3 DFN-12 IEEE 802.3at PD with 2-Event Classification Recognition N/A LTspice Model DC1415A no no 2008-12-02 $1.80 (LTC4265CDE) PoE Powered Device (PD) 12mm² (4x3 DFN-12) 0.75mm (4x3 DFN-12) no no Matte Tin
LTC4257 1 1 - 13 One Event Yes (Internal 25k resistor) C,I 3x3 DFN-8,SO-8 IEEE 802.3af PD N/A LTspice Model DC959A no no 2003-05-15 $1.65 (LTC4257CS8) PoE Powered Device (PD) 9mm² (3x3 DFN-8),31mm² (SO-8) 0.75mm (3x3 DFN-8),1.75mm (SO-8) no yes Lead,Matte Tin
LTC4257-1 1 1 - 13 One Event Yes (Internal 25k resistor) C,I 3x3 DFN-8,SO-8 IEEE 802.3af PD with Dual Current Limit N/A LTspice Model DC671A no no 2003-05-15 $1.75 (LTC4257CS8-1) PoE Powered Device (PD) 9mm² (3x3 DFN-8),31mm² (SO-8) 0.75mm (3x3 DFN-8),1.75mm (SO-8) no yes Lead,Matte Tin
LTC4267 1 1 Flyback 13 One Event Yes (Internal 25k resistor) C,I 5x3 DFN-16,SSOP-16 IEEE 802.3af PD with Integrated 200kHz Switching Regulator N/A LTspice Model DC859A,DC917A,DC1145B,DC804B-A no no 2005-05-24 $2.10 (LTC4267CGN) PoE Powered Device (PD) 15mm² (5x3 DFN-16),30.9mm² (SSOP-16) 0.75mm (5x3 DFN-16),1.75mm (SSOP-16) no no Lead,Matte Tin
LTC4267-1 1 1 Flyback 13 One Event Yes (Internal 25k resistor) C,I SSOP-16 IEEE 802.3af PD with Integrated 200kHz Switching Regulator and Increased Current Limit N/A LTspice Model - no no 2005-05-24 $2.10 (LTC4267CGN-1) PoE Powered Device (PD) 30.9mm² (SSOP-16) 1.75mm (SSOP-16) no no Matte Tin