一种基于LTCC工艺的兆赫兹变压器设计  

Design of a Megahertz Transformer Based on LTCC Process

作　　者：冉建桥[1] 尹华[1] 张小林[1] RAN Jianqiao;YIN Hua;ZHANG Xiaolin(The 24th Research Institute of China Electronics Technology Group Corporation,Chongqing 400060,P.R.China)

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》2020年第5期649-652,共4页Microelectronics

摘　　要：通过对高可靠混合集成DC/DC变换器小型化难点分析,阐述了在兆赫兹开关频率下,采用LTCC工艺实现平面变压器的原理。并从设计、版图、工艺三方面采取措施,制作了一种基于LTCC工艺的兆赫兹级变压器,并通过工程实例进行了验证。The problems of miniaturization of high reliable DC/DC converter based on hybrid IC process were analyzed.The mechanism of realizing plane transformer by LTCC process combined with megahertz switching frequency in high reliability DC/DC converter was expounded.By making a comprehensive consideration of design,layout and process,a megahertz transformer base on LTCC process was designed and implemented,and it was verified by an engineering example.

关 键 词：DC/DC变换器 LTCC 平面变压器 混合IC 

分 类 号：TN86[电子电信—信息与通信工程] TM433[电气工程—电器]