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Original question:

UCC25230: Secondary oscillation

UCC25230: Secondary oscillation

shaowei cui
Intellectual 590 points
Part Number: UCC25230


Hi TI engineers,

I use UCC25230 as an auxiliary power source.Output 9V.Using LPD5030（220uH） as coupling inductor for second side power supply.But the oscillation is serious.The original edge is not oscillatory.

I do not konw why.

regars,

shaowei.