Flyback Transformer Design for the UCC28600
The flyback transformer plays a crucial role in the performance of the green-mode
controller. Considerations must be given to adequate coupling for the bias windings,
minimizing leakage inductance, and minimizing audible noise. All of these criteria can
easily be met with proper transformer design from the start. Once the Design Calculator
spreadsheet, (TI Literature Number SLVC104) , determines the required turns ratio, the
following guidelines will enable the user to design a transformer that meets the
performance requirements of the converter.
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