LT4294IDD#PBF

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Analog Devices

POE IC, PD CONTROLLER, 60 V INPUT, 1 CHANNEL, 840 HZ, 71.3 W, -40 TO 85 °C, DFN-EP-10

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DocumentsLT4294: IEEE 802.3bt PD Interface Controller Data Sheet (Rev.B)R572 Reliability Data +3

LT4294IDD#PBF

Active

Analog Devices

POE IC, PD CONTROLLER, 60 V INPUT, 1 CHANNEL, 840 HZ, 71.3 W, -40 TO 85 °C, DFN-EP-10

Deep-Dive with AI

DocumentsLT4294: IEEE 802.3bt PD Interface Controller Data Sheet (Rev.B)R572 Reliability Data +3

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT4294IDD#PBF

Auxiliary Sense	True
Current - Supply	2 mA
Internal Switch(s)	False
Mounting Type	Surface Mount
Number of Channels	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	10-WFDFN Exposed Pad
Power - Max [Max]	71 W
Standards	802.3bt, 802.3at (PoE+), 802.3af (PoE)
Supplier Device Package	10-DFN (3x3)
Voltage - Supply [Max]	60 V

LT4294 Series

IEEE 802.3bt PD Interface Controller

Part	Power - Max [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Package / Case [x]	Package / Case [x]	Standards	Number of Channels	Current - Supply	Supplier Device Package	Mounting Type	Voltage - Supply [Max]
Analog Devices LT4294IMS#PBF	71 W	85 °C	-40 °C	10-MSOP 10-TFSOP	3 mm	0.118 in	802.3af (PoE) 802.3at (PoE+) 802.3bt	1	2 mA	10-MSOP	Surface Mount	60 V
Analog Devices LT4294IDD#PBF	71 W	85 °C	-40 °C	10-WFDFN Exposed Pad			802.3af (PoE) 802.3at (PoE+) 802.3bt	1	2 mA	10-DFN (3x3)	Surface Mount	60 V
Analog Devices LT4294HDD#TRPBF	71 W	125 °C	-40 °C	10-WFDFN Exposed Pad			802.3af (PoE) 802.3at (PoE+) 802.3bt	1	2 mA	10-DFN (3x3)	Surface Mount	60 V
Analog Devices LT4294HMS#PBF	71 W	125 °C	-40 °C	10-MSOP 10-TFSOP	3 mm	0.118 in	802.3af (PoE) 802.3at (PoE+) 802.3bt	1	2 mA	10-MSOP	Surface Mount	60 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 6.18
		10	$ 4.17
		25	$ 3.65
		100	$ 3.07
		250	$ 2.79
		500	$ 2.61
		1000	$ 2.47
		2500	$ 2.32
Newark	Each	1	$ 4.90
		10	$ 3.62
		25	$ 3.41
		50	$ 3.19
		100	$ 2.98
		363	$ 2.41
		605	$ 2.29

Description

General part information

LT4294 Series

The LT4294 is an IEEE 802.3af/at/bt-compliant powered device (PD) interface controller. TheT2Poutput indicates the number of classification events received during IEEE 802.3bt-compliant mutual identification and negotiation of available power.The LT4294 utilizes an external, low RDS(ON)N-channel hot swap MOSFET and supports the LT4320/LT4321 ideal diode bridges, to extend the end-to-end power delivery efficiency and eliminate costly heat sinks. The LT4294 also includes a power good output, onboard signature resistor, undervoltage lockout, and thermal protection. Start-up inrush current is adjustable with an external capacitor. Auxiliary power override is supported as low as 9V with the AUX pin.The LT4294 can be configured to support all possible 802.3bt, 802.3at and 802.3af power levels with external component changes. Pin-for-pin compatibility with the LT4275 family of PD Interface Controllers enables easy migration between LTPoE++ PDs and IEEE 802.3bt-compliant PDs.ApplicationsHigh Power Wireless Data SystemsOutdoor Security Camera EquipmentCommercial and Public Information DisplaysHigh Temperature Industrial Applications

Documents

Technical documentation and resources

LT4294: IEEE 802.3bt PD Interface Controller Data Sheet (Rev.B)

Data Sheet

R572 Reliability Data

Reliability Data

Datasheet

Power over Ethernet Solutions

Datasheet

Technical Data Sheet EN

Datasheet