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Original question:

PMP40766: I am not getting supplier of following parts

PMP40766: LLC Design possibility for Variable output voltage

Sampath kumar G
Prodigy 10 points
Part Number: PMP40766

Hi,

My requirement is Input  390Vdc +/-15V  and Output 25V +/- 4V variation with 20Amp. Current. Is this design requirement is possible with LLC ? .  Please share details if possible.

  • 0
    TI__Expert 3660 points

    Yes, LLC can be used for variable output applications. But in order to cover wide output range, we will need to have a lower magnetizing inductor inductance to series resonant inductor inductance ratio with a penalty of higher RMS current and lower efficiency than an LLC design with fixed output voltage.