LT4276 Datasheet (Linear) - LTPoE++/PoE+/PoE PD Forward/Flyback Controller

LT4276, LTPoE++/PoE+/PoE PD Forward/Flyback Controller

The LT®4276 is a pin-for-pin compatible family of IEEE 802.3 and LTPoE++ Powered Device (PD) controllers.

It includes an isolated switching regulator controller capable of synchronous operation in both forward and flyback topologies with auxiliary power support.

The LT4276A employs the LTPoE++ class

LT4276 Features

* n IEEE802.3af/at and LTPoE++™ 90W Powered Device (PD) with Forward/Flyback Controller n LT4276A Supports All of the Following Standards: n LTPoE++ 38.7W, 52.7W, 70W and 90W n IEEE 802.3at 25.5W Compliant n IEEE 802.3af up to 13W Compliant n LT4276B is IEEE 802.3at/af Compliant n LT4276C is IE