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Could you please help suggest a buck controller?

Other Parts Discussed in Thread: LM27403

My customer is looking for a buck controller for the below application. Since the system is naturally cooling, so they prefer controller and external mosfets.Could you please help suggest it? Thank you.

1)      Working temp. -5~ 125C.

2)      12Vin, 5V output, 80W.

3)      Efficiency > 97%

4)      Non-isolated.

5)      Current loop or forward feedback is preferred to address the input disturb.