Hi Austin,
Thanks for using the e2e forum. LM5122 should be the best suitable device for this application.
300W should still be feasible with a single phase design if this is preferred. Please select suitable power stage components (inductor, FETs…
Fred,
Here are two sync boost converter reference designs close to your specs: PMP20093 and PMP10710 . Both of these designs are using LM5122. A Non-synchronous boost can easily be designed from UCC38C4x directly driving a low-side MOSFET, otherwise…