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TPS92690-Q1: SW开关波形有振铃现象

Part Number: TPS92690-Q1
Other Parts Discussed in Thread: TPS92690

用TPS92690做的LED光源驱动

【工作条件】

输入:12.8V-16.8V    

输出:30V/1A

调光方式:模拟调光

开关频率:200k

【原理图】

【问题波形】

以上~