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电子工程专辑
1 年
带你简单认识理解开关电源AC-DC和DC-DC
之所以是叫“开关”,因为核心原理电路部分是工作在一个”开关“状态,其通过高速开关晶体管(通常是MOSFET或IGBT)来控制输入电压的导通和关断,从而实现电压转换(降压、升压、极性变换)。 以上是一个简单的正压转负压的开关电源,其中就是通过这个 ...
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