Questions about LTM4656 + LTC6909

Hello,

My customer wants to divide their Boost device and use multiple devices instead of one boost converter because of heating issue.

Please refer below conditions & design and let me know your opinions.

1. 12V Vin / 36V Vout/ 9A Iout   

    1) Customer's concept

        Use 1 LTC6909 for controling poliphase (30 degree)

        Use 6 LTM4656 with current sharing

LTM4656.asc

Would you suggest your opinions above design concept?

Please advise me.

Regards,

Se-woong

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