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电子工程专辑
4 年
USB多路输出电源---PCB Layout
注意:在制作TL431、三端稳压器、MOS管封装时需要注意三个脚位与实物要一致。 将原理图库与PCB库封装一一对应,然后导网表。 确定板框尺寸:59mm*27.5mm 上图是5V_USB升压到12V的布局。 上图是5V_USB降压到-12V,-12V升压到-5V的布局。 上图是12V转5V的BUCK电路以及5V转3 ...
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