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lm5117驱动级输出波形不稳定，HO和LO加了电阻，过阻尼减小了，但是波形后端的波形不知道怎么回事，电路图和波形如下：
1、频率不稳。
2、那是电路工作在DCM状态下得正常波形，增大电感，同等条件下进入CCM就是方波。或者直接增大电流也可进入CCM。
