低压输出DC/DC正激变换器设计  

Low voltage output DC/DC forward converter design

作　　者：石方园 李佳俊 Shi Fangyuan;Li Jiajun(School of Electrical and Control Engineering,Heilongjiang University of Science and Technology,Harbin Heilongjiang,150022;Shanghai Fushan Precision Machinery Co.,LTD.,Shanghai,201500)

机构地区：[1]黑龙江科技大学电气与控制工程学院,黑龙江哈尔滨150022 [2]上海富山精密机械有限公司,上海201500

出　　处：《电子测试》2022年第6期107-109,共3页Electronic Test

摘　　要：为了实现得到低压大电流的功率输出,设计并验证了一种带同步整流的双管DC/DC变换器。着重介绍了双管正激变换器的工作原理,对其中主要的电子元件进行参数设计,利用SG3525控制芯片制作了一台30W实验样机,结果表明变换器的动态性能良好,具有较高的效率与一定的实用价值。This paper aims to achieve the power output of low voltage and large current,a dual DC/DC converter with synchronous rectifier is designed and verified.Emphatically introduces the working principle of two pipe is shock converter,completed the main hardware circuit design,finally using SG3525 control chip made a 30 w experimental prototype,the results show that the converter’s dynamic performance is good,has the high efficiency and practical value.

关 键 词：低电压 双管正激变换器 同步整流 

分 类 号：TM46[电气工程—电器]