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Everything posted by soon1401

  1. Hi, Glad I found this forum. I am trying to buld a AC-DC SMPS base on TI chip UCC28221 (see attachment) using the interleaved forward topology. The apps note provided by TI is configured for DC-DC at 36-75VDCwith the output of 12V, 16.67A . I am trying to modify the circuit to AC-DC at 195-265VAC with the output of 24V, 25A. Iam having some problem on the main transformer part. I really do not understand how to design the transformer for the system. Can any of you guys help out? 200-W_Interleaved_Forward_Converter_Design_Review.pdf
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