Datasheet Summary
LT4294 IEEE 802.3bt PD Interface Controller
Features nn IEEE 802.3af/at/bt (Draft 2.3) Powered Device (PD) Controller nn Supports Up to 71W PDs nn 5-Event Classification Sensing nn Superior Surge Protection (100V Absolute Maximum) nn Wide Junction Temperature Range (- 40°C to 125°C) nn Overtemperature Protection nn Integrated Signature Resistor nn External Hot Swap N-Channel MOSFET for Lowest
Power Dissipation and Highest System Efficiency nn Configurable Aux Power Support as Low as 9V nn Easy Migration Between LTPoE++® PDs and IEEE
802.3bt PDs nn Pin patible with LT4275A/B/C nn Available in 10-Lead MSOP and 3mm × 3mm DFN
Packages
APPLICATIONS nn High Power Wireless Data Systems nn...