低温共烧铁氧体(LTCF)微磁变压器及其应用  

Micromagnetic transformer based on low temperature co-fired ferrite(LTCF)and their applications

作　　者：傅烈 赵勇[2] 陈劲松[2] 钟志敏 FU Lie;ZHAO Yong;CHEN Jin-song;ZHONG Zhi-min(Shanghai Research Institute of Microwave Equipment,Shanghai 201802,China;Southwest Institute of Applied Magnetics,Mianyang 621000,China)

机构地区：[1]上海微波设备研究所,上海201802 [2]西南应用磁学研究所,四川绵阳621000

出　　处：《磁性材料及器件》2024年第5期56-59,共4页Journal of Magnetic Materials and Devices

摘　　要：针对传统绕线变压器体积大、高度高、可靠性低等问题,介绍了采用低温共烧铁氧体(LTCF)工艺实现的新型微磁变压器,可解决传统变压器发展遇到的诸多问题,大幅度降低体积,提高可靠性。典型应用于信号隔离、高电压电源、微小功率DC/DC电源等系统。重点讨论了LTCF微磁变压器应用于高电压电源时的输出电压、工作模式、吸收钳位电路设计等问题。Addressing the challenges of large size,high elevation,and low reliability in traditional winding transformers,a novel micro-magnetic transformer utilizing the low temperature co-fired ferrite(LTCF)process is introduced.This innovation effectively resolves many issues encountered in conventional transformer development,significantly reducing size and enhancing reliability.It is commonly applied in signal isolation,high voltage power supply,small power DC/DC power supply,and other systems.The output voltage,operational mode,and design of the absorption clamp circuit for LTCF micro-magnetic transformers used in high voltage power supplies are discussed.

关 键 词：微磁变压器 低温共烧铁氧体(LTCF) 应用 

分 类 号：TM277[一般工业技术—材料科学与工程]