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LM5122: Suitable part to meet 6.5-12Vin, 48-57Vout, 65W Pout

user4979989
Intellectual 2800 points
Part Number: LM5122
Other Parts Discussed in Thread: LM5155

Hi team,

May I have your help to propose a boost solution to meet 6.5-12Vin, 48-57Vout, 65W Pout requirements?

Thank you.

Regards,

Allen

  • 0
    TI__Guru* 78080 points

    Hi User,

    The LM5122 can be a choice, but I would like to recommend the LM5155 non-sync boost controller for a better performance to cost ratio.   Your output current is slightly greater than 1A, so the sync FET may not gain much efficiency wrt a diode rectifier.  

    Thanks,

    Youhao Xi,  Applications Engineering