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UCC28704: PMP11612 Voltage Spikes at Output Capacitor

Part Number: UCC28704


i know TI only release Ripple Voltage after 150mOhm cable.

but may i know what is ripple voltage directly on output capacitor?

at full load i have some spikes at output capacitor (after 150mOhm cable, i dont see them) :

voltage output on secondary winding: