Standards is 802.3at (PoE+), 802.3af (PoE), 802.3bt - PMIC - Power Over Ethernet (PoE) Controllers Distributor - LT4294IMS#PBF LTC4291IUF#PBF LTC4292IUJ#PBF

Part Number	Manufacturer / Brand	Brife Description	Part Status	Type	Number of Channels	Power - Max	Internal Switch(s)	Auxiliary Sense	Standards	Voltage - Supply	Current - Supply	Operating Temperature	Package / Case	Supplier Device Package
LT4294IMS#PBF	Linear Technology/Analog Devices	IC POE CONTROLLER 10-MSOP	Active	Controller (PD)	1	71W	No	Yes	802.3at (PoE+), 802.3af (PoE), 802.3bt	60V (Max)	2mA	-40°C ~ 85°C	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
LTC4291IUF#PBF	Linear Technology/Analog Devices	4-PORT IEEE 802.3BT PSE CONTROLL	Active	Controller (PSE)	8	71.3W	No	No	802.3at (PoE+), 802.3af (PoE), 802.3bt	3.6 V ~ 12 V	-	-40°C ~ 85°C	24-WFQFN Exposed Pad	24-QFN (4x4)
LTC4292IUJ#PBF	Linear Technology/Analog Devices	4-PORT IEEE 802.3BT PSE CONTROLL	Active	Controller (PSE)	8	71.3W	No	No	802.3at (PoE+), 802.3af (PoE), 802.3bt	80V	-	-40°C ~ 85°C	40-WFQFN Exposed Pad	40-QFN (6x6)