Linear Technology LT4294
The LT®4294 is an IEEE 802.3af/at/bt (Draft 2.3)-compliant powered device (PD) interface controller. The T2P output indicates the number of classification eventsFEATURES
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 Compatible with LT4275A/B/C nn Available in 10-Lead MSOP and 3mm × 3mm DFN PackagesAPPLICATIONS
nn High Power Wireless Data Systems nn Outdoor Security Camera Equipment nn Commercial and Public Information Displays nn High Temperature IndustrialAPPLICATIONS
DESCRIPTION