Title: EMI Suppression Method for Switching Mode Power Supply without Y-Capacitor
Abstract: The Y-capacitor cannot be adopted in the switching mode power supplies for the electrical devices requiring very low leakage current.However,the switching mode power supply without Y-capacitor cannot pass the EMC test.The circuit theory of EMI problems and the EMI suppression method in the switching mode power supply are analyzed in the paper,and then a RC snubber circuit is proposed to suppress the EMI in the switching mode power supply without Y-capacitor.The experiments verify that this method can effectively resolve the EMI problems in switching mode power supply without Y-capacitor.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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