你好,我用贵公司的升压芯片LMR64010来升压,从3.7变到5V,电阻就按照手册上的来接,只是C1和C2都采用的10uf/16V的钽电容,R2为13.3K,R1为41.2K,
现在的结果是,空载的情况下,Vfb=1.22V,输出4.9v;加了一个10/10W的电阻测试,Vfb为1.335V,输出5.5V,电流是500多MA,我想问下这个是怎么回事,怎么Vfb和说明书差那么多,还是我的电路哪里有什么问题呢?
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