The small signal model for a SEPIC is very complicated. For a simple first order approximation what I do is model the output filter as a simple RC, with C = Cout and R = Rload. This gives a first order system with a single pole. This is how the compensation…
Part Number: LM5022 Other Parts Discussed in Thread: PMP20676 , PMP20468 , PMP20127 My customer has a Flyback design based on the LM5022 and is concerned about the oscillation he sees on the SW node after the controller turns off the primary side power…
Hi
WE found also a lower cost device, LM5022,with two ref design, at PMP7768 and PMP7338 .
Both look OK but PCB files are missing.
Can you help with the missing files?
have a look at the http://www.ti.com/product/lm5118-q1 or even the little brother LM25118, even if both are a bit borderline in terms of output current...
also please consider the following reference design http://www.ti.com/tool/pmp7338
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