Multiple Output Isolated DC-DC Converter With Coreless PCB Transformers

ZHANG Feng; MA Chun-yu; XU Hong-wei; ZHAO Ting

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Multiple Output Isolated DC-DC Converter With Coreless PCB Transformers

更新时间：2026-09-04

- Multiple Output Isolated DC-DC Converter With Coreless PCB Transformers
- Vol. 34, Issue 6, Pages: 123-127(2017)
- 作者机构：
  
  中国科学院机构自动化研究所,北京,100190
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2017
- 稿件说明：
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张峰, 马春宇, 许洪伟, 赵婷. 基于无芯PCB变压器多路输出隔离DC-DC变换器[J]. 微电子学与计算机, 2017, 34(6): 123-127.

ZHANG Feng, MA Chun-yu, XU Hong-wei, et al. Multiple Output Isolated DC-DC Converter With Coreless PCB Transformers[J]. 2017, 34(6): 123-127.
张峰, 马春宇, 许洪伟, 赵婷. 基于无芯PCB变压器多路输出隔离DC-DC变换器[J]. 微电子学与计算机, 2017, 34(6): 123-127. DOI：

ZHANG Feng, MA Chun-yu, XU Hong-wei, et al. Multiple Output Isolated DC-DC Converter With Coreless PCB Transformers[J]. 2017, 34(6): 123-127. DOI：

摘要

介绍一种多路输出隔离式DC-DC变换器

通过两个串联的层叠结构的无芯PCB变压器实现四路一致输出

利用交叉耦合振荡电路和串联无芯PCB变压器初级线圈形成持续振荡回路

次级线圈经过二极管半桥整流和电容滤波获得直流输出.通过软件仿真设计无芯PCB变压器和整体电路.测试结果表明

此变换器能够提供四路14 V隔离电压输出.效率为45%时输出功率约为1.5 W.

Abstract

A multiple output isolated DC-DC converter with coreless PCB transformer was proposed and demonstrated. The four consistent output voltages were achieved with two series coreless stacked PCB transformer. The cross coupled tank and coreless PCB transformer formed sustaining oscillation. The Schottky diodes were used as rectification devices. The design of the coreless PCB transformer and the overall circuit were implemented by simulation. Experimental results showed that the four output voltages were 14 V. The delivered power was 1.5 W at 45% efficiency.

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references

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