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LM5116: >500W buck converter alternatives

Part Number: LM5116
Other Parts Discussed in Thread: UCC28811

Tool/software:

Hello, 

I am working on a project where I need to integrate a +500W capable step-down DC/DC converter to finish the product. Ideally, I am looking for an evaluation board which I can buy for ease of test and modification. 

Therefore, I am passing by to ask if anyone knows about any evaluation board to fulfill the following DC/DC buck converter specs:

- Vin = 220V 

- Vout = 90V

- Iout = 3A

- P = >500W

No mater the size or the cost, as the most important to test its functionality ASAP, thus an already assembled solution would be the best. In the worst case, if there is no evaluation board like this, is there any reference design capable to fulfill before mentioned converter specifications? 

Regards, Denys