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Multi output Buck converter from 120V DC(nominal), 350W

Shwetank Agrawal
Prodigy 30 points


Hello All,

I am new in this designing. I want to design 350W buck converter with multiple output(+12V, +5V, +3.3V & -12 V). My problem in buck circuit is that to convert (90V to 180V dc, Nominal 120V DC) into DC (+12V, +5V, +3.3V & -12 V). I don't know which buck method is better and efficient and which controller should i select for that converter. I will used this converter in running my computer through 120V DC BUS. Please help me to start and design.

Thankyou in advance.

Regards,

Shwetank

  • 0
    TI__Genius 13660 points

    Hi Shwetank,

    Sorry for the delay.

    For the spec, I recommend the solution of boost + LLC + multi Buck.  You can choose LLC controller UCC25630.  

    Buck controller is the product of other product lines, please create a new thread for better advice.

    Regards,

    Teng