Voltage - Supply is 45 V ~ 57 V - PMIC - Power Over Ethernet (PoE) Controllers Distributor - LTC4266CUHF#PBF LTC4270CIUKG#PBF LTC4271IUF#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
LTC4266CUHF#PBF	Linear Technology/Analog Devices	IC Controller IEEE 802.3AT 38-QFN	Active	Controller (PSE)	4	25W	No	No	802.3at (PoE+), 802.3af (PoE)	45 V ~ 57 V	3.5mA	0°C ~ 70°C	38-WFQFN Exposed Pad	38-QFN (5x7)
LTC4270CIUKG#PBF	Linear Technology/Analog Devices	IC POE LTPOE 12-PORT PSE 52-QFN	Active	Controller (PSE)	12	13W	No	No	802.3at (PoE+), 802.3af (PoE)	45 V ~ 57 V	9mA	-40°C ~ 85°C	52-WFQFN Exposed Pad	52-QFN (7x8)
LTC4271IUF#PBF	Linear Technology/Analog Devices	IC POE 12-/8-PORT PSE 24-QFN	Active	Controller (PSE)	-	-	No	No	-	45 V ~ 57 V	9mA	-40°C ~ 85°C	24-WFQFN Exposed Pad	24-QFN (4x4)
LTC4274CUHF#PBF	Linear Technology/Analog Devices	IC CONTROLLER POE 38-QFN	Active	Controller (PSE)	1	13W	No	No	802.3af (PoE)	45 V ~ 57 V	2.4mA	-40°C ~ 85°C	38-WFQFN Exposed Pad	38-QFN (5x7)
LTC4279IS#PBF	Linear Technology/Analog Devices	IC CTRL POE LTPOE PSE 16SOIC	Active	Controller (PSE)	1	90W	No	No	802.3at (PoE+), 802.3af (PoE), LTPoE++	45 V ~ 57 V	1.7mA	-40°C ~ 85°C	16-SOIC (0.154", 3.90mm Width)	16-SO
LTC4290CIUJ#PBF	Linear Technology/Analog Devices	IC POE 802.3AT 8-PORT PSE	Active	Controller (PSE)	8	13W	No	No	802.3af (PoE)	45 V ~ 57 V	9mA	-40°C ~ 85°C	40-WFQFN Exposed Pad	40-QFN (6x6)
SI3462-E01-GM	Silicon Labs	IC POE/POE PSE SGL PORT 11-QFN	Active	Controller (PSE)	1	30W	Yes	No	802.3at (PoE+), 802.3af (PoE)	45 V ~ 57 V	8mA	-40°C ~ 85°C	10-VFDFN Exposed Pad	11-QFN (3x3)
SI3462-E01-GMR	Silicon Labs	IC POE/POE PSE SGL PORT 11-QFN	Active	Controller (PSE)	1	30W	Yes	No	802.3at (PoE+), 802.3af (PoE)	45 V ~ 57 V	8mA	-40°C ~ 85°C	10-VFDFN Exposed Pad	11-QFN (3x3)

Manufacturers for PMIC - Power Over Ethernet (PoE) Controllers