The switching power has been used in worldwide step by step. DC/DC converter is the core of a switching power. The research of reliability and failure analysis of the DC/DC converters is important to make products reliable and to maintain its performance under different loads. Based on the long-term experience of DC/DC converter failure analysis, two kinds of key failure modes of DC/DC converter which were component failure and assembly failure respectively were studied. In order to prevent the failure occurrence and ensure the reliability of DC/DC converter, several failure analysis case studies were given and the failure mechanisms and possible root causes of failure were investigated. Finally, several failure prevention methods were suggested.
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Yao et al. (2013) studied this question.