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9V转2.5V@10A，空载调试时发现sw波形上升沿有振荡，请问这是什么引起的，怎么解决。另外输出纹波也特别大，请问怎么改善。
亲；这时PCB及其它寄生电感及L2寄生电容引起的振铃。减小C5/C7/Q1/Q3空间连线长度；可以抑制振铃。但是；输出纹波与这关系不是很大，多是输入输出地线公用导致互调噪音干扰。
