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UCC256301: Variable power supply with UCC256301

Tahir Mahmood
Expert 1250 points
Part Number: UCC256301

Can I make a variable DC-DC power supply with Output of  350V to 12V with UCC256301 by using a turns ratio of 1:1 for the transformer? The input is rectifier voltage from the mains.

  • 0
    TI__Mastermind 25570 points
    Hello Tahir

    Please look at the calculator tool for this product on the device page at www.ti.com/.../technicaldocuments
    That will let you evaluate whether the LLC can operate over this wide range but to be honest the LLC wouldn't be able to operate over such a wide output voltage range (350:12 or 29:1). A better choice would be to use a full bridge or phase shifted full bridge - depending on your input voltage range.

    Regards
    Colin