搜索 - 科创

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就比如说手机原装充电器是1A 的，那么充电器的输出限流就是1A，所以这时手机充电电流肯定小于1A，但是如果我用一个pad的充电器充电，假设这个充电器还是5v输出，但是电流变成了2A，那么这时的手机内部...

这是从网上看到的激光笔（以下是参数）绿色激光【尺寸】：φ13.5×165mm【材质】：铜【电池】：2*AAA(两颗7号电池,选用碱性电池效果更佳)【表面处理/颜色】：烤橡皮黑【使用寿命】:连续输...

先用一个随便画的开关电源原理图来说明，欢迎大家留言探讨开关电源在LO为高时（HO置低，mosHO关断），电感由于电流的方向和大小的不可突变原理，需要通过MOS-LO从地抽取电荷，而电荷抽取的频率即为...

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