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Questions about LTM4656 + LTC6909

Se-woong
on Jun 1, 2021

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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