混合电源隔离工艺控制研究  

Study on Electrical Isolation Process for Hybrid Power Supply

作　　者：肖玲[1] 刘欣[1] 

机构地区：[1]中国电子科技集团公司第二十四研究所,重庆400060

出　　处：《微电子学》2010年第6期908-911,共4页Microelectronics

摘　　要：介绍了混合电源隔离工艺控制方法;重点分析了气体及固体隔离失效的机理、安全间隙距离、常用绝缘介质材料隔离特性;结合隔离失效实例,以500 V直流电压隔离要求为例,从电路结构、版图设计、操作等方面进行改进,从工艺上满足隔离要求,取得了明显效果。Process technology for electrical isolation of hybrid power supply was described.Failure mechanism of solid/gas isolation,electrically safe space and isolation characteristics of commonly-used insulating dielectric mater-ials were analyzed in particular.With a case of 500 V DC electrical isolation as an example,specific measures were taken to improve circuit and layout design,as well as operation,to satisfy technical requirement of electrical isolation,and good results were achieved.

关 键 词：DC/DC转换器 失效 安全间隙 绝缘介质 气体介质 固体介质 

分 类 号：TN405.95[电子电信—微电子学与固体电子学]