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LM5118: Selection of buck-boost solution (LM5118 )

Feng bin Su
Expert 8700 points
Part Number: LM5118
Other Parts Discussed in Thread: LM5176

Hi team,

Customer's requirement is as below.

    1. Vin 7 - 60V
    2. Vout=12V, Iout=20A

Would you suggest the LM5118 for the customer's requirement? 

I have used the webench to run the simulation. The result shows only Iout <10A. Would you suggest to use LM5118 for customer's spec?

Ben,

  • 0
    TI__Guru* 78110 points
    Hi Ben,

    Thank you for posting. This is up to 240W which is a stretch for a non-sync buck-boost. I would like to recommend the LM5176, and we have 300W ref design.

    60Vin is very close to the IC's max rating. Just make sure their 60Vin is a transient level.


    Thanks,
    Youhao Xi, Applications Engineering