高频开关变换器中EMI产生的机理及其抑制方法

Switching power supply EMI production mechanism and suppression method

开关电源电磁干扰大,影响电子设备的性能。本文从开关电源的电路结构和器件分析产生电磁干扰的原因,并给出了一些抑制措施。

Switching power supply has large electromagnetic interference, affects the perrormance of electronic equipment. This paper analyzes the reasons of EMI from the circuit structure and device of SMPS.