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Single input 4 output isolated DC DC part recommendation wanted

jack daniels
Prodigy 90 points

Hi,

I need to create a single input (9-48V) quad output (all different positive output voltages, 6V max) isolated DC DC converter.  About 20W total power.

Do you have a recommendation for a controller for this type of application?

  • 0
    Prodigy 5 points
    Hello Jack,
    Thank you for posting on the Forum.

    TI has a Power Reference design library that can be searched.
    Using your input voltage range as criteria, I found this design.

    20W Wide Input Voltage Isolated Flyback Converter Reference Design
    www.ti.com/.../PMP20196
    Then use some DCDC's on the isolated output to create other rails.

    If you don's need isolation or to just find some DCDC's that might work on the isolated output, try WEBENCH.
    www.ti.com/.../overview.html

    Enter your input voltage and select Multiple Loads, POWER ARCHITECT.
    This will allow you to find a range of TI devices that may work.

    You can provide your exact Vout Iout requirements and I can send you an example.
  • 0 in reply to Ed Walker
    Prodigy 5 points
    Hello Jack,
    I have not heard back, perhaps you have found your solution, and since it's the holiday season you may be on vacation.
    Therefore I will mark this RESOLVED for now.

    You can reply anytime within 60 days and reactivate your post.

    Happy Holidays.