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张峰; 赵婷; 屈操; 马春宇
Source Publication微电子学

介绍了一种80MHz隔离式DC-DC变换器,无芯PCB变压器实现了VHF隔离,利用交叉耦合电路和无芯PCB变压器形成持续振荡,采用肖特基二极管作为整流器件,电压反馈环路保证整个系统能够稳定输出。采用FEM 和EDA软件实现了无芯PCB变压器的设计和整体电路的仿真。测试结果表明,该变换器能够提供3.3V隔离电压输出和0.3W 功率输出,效率约为43%。

Other Abstract

An isolated DC-DC converter operating at 80MHz was presented. Very high frequency isolation was provided by a coreless printed circuit board transformer. The cross coupled tank and coreless PCB transformer formed a sustaining oscillation. The Schottky diodes were used as rectification devices. The voltage feedback loop was used to stabilize the output voltage. The design of coreless PCB transformer and the simulation of overall circuit were implemented by the FEM tool and EDA software. Experimental results showed that the output voltage was 3.3 V , the power was 0.3W, and the converter efficiency was about 43%.

KeywordDc-dc变换器 Pcb变压器 甚高频
Document Type期刊论文
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
张峰,赵婷,屈操,等. 80MHz隔离式DC-DC变换器[J]. 微电子学,2017,47(2):222-225.
APA 张峰,赵婷,屈操,&马春宇.(2017).80MHz隔离式DC-DC变换器.微电子学,47(2),222-225.
MLA 张峰,et al."80MHz隔离式DC-DC变换器".微电子学 47.2(2017):222-225.
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