How do I determine the peak voltage on the Flyback MOSFET Q1 for a CY8CLEDAC02 and a CY8CLEDAC03 design?

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    Question: How do I determine the peak voltage on the Flyback MOSFET Q1 for a CY8CLEDAC02 and a CY8CLEDAC03 design?

     

    Answer:

    Question: How do I determine the peak voltage on the Flyback MOSFET Q1 for a CY8CLEDAC02 and a CY8CLEDAC03 design?

    The peak voltage on Q1 is a function of the transformer turns ratio (Ntr) and peak input voltage. The attached file gives calculations you can use to determine the peak voltage for Q1.

    Attachment: Q1 peak voltage calculation.docx