9V输入,设计10V输出,但是测量FB点电压却不是1.23V,而是1.46V,导致输出的电压高于计算值。这是怎么回事?用的都是手册里的推荐电路。3058.新建 Microsoft Word 文档.docx
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9V输入,设计10V输出,但是测量FB点电压却不是1.23V,而是1.46V,导致输出的电压高于计算值。这是怎么回事?用的都是手册里的推荐电路。3058.新建 Microsoft Word 文档.docx
上传一下你SW节点的开关波形吧,还有你FB节点电压是用示波器测量的么,最好把波形传上来看看