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您好，我在官网LM25184的设计图中看到如下，想咨询下D2的作用是什么？一般怎么根据什么确定参数？谢谢
Hi
这个是snubber电路，消除变压器漏感在SW脚上产生的电压上冲。具体设计见datasheet第21页8.2.1.2.5 Leakgae Inductance Clamp Circuit
