这么大电流要用DC/DC转换模块了
<br />下载→ <a href="http://soft.laogu.com/download/lm2576.pdf " target=_blank>http://soft.laogu.com/download/lm2576.pdf </a><br /> <br /> <br /><img src="https://bbs.21ic.com/upfiles/img/20071/200717201727291.gif">
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