一种基于UC3901的有源箝位SEPIC电路设计  

Design of Active Clamped SEPIC Converter Based on UC3901

作　　者：李红莲[1] 白钰 LI Honglian;BAI Yu(Ningxia College of Construction,Ningxia 750001,China;State Grid Ningxia Yinchuan Power Supply Company,Ningxia 750001,China)

机构地区：[1]宁夏建设职业技术学院,宁夏750001 [2]国网宁夏电力有限公司银川供电公司,宁夏750001

出　　处：《集成电路应用》2023年第1期23-25,共3页Application of IC

摘　　要：阐述一种适用于宽输入电源的磁隔离反馈的有源箝位SEPIC电路,分析了控制器UC3901的工作特点,给出了利用UC3901控制器设计有源箝位SEPIC电路的设计方法。对主电路和控制电路进行了详细的分析与设计。实验结果验证了理论分析结果,验证了该电路具有良好的静态和动态性能。This paper describes an active clamp SEPIC circuit for magnetic isolation feedback of wide input power supply, analyzes the working characteristics of controller UC3901, and gives the design method of active clamp SEPIC circuit using UC3901 controller. The main circuit and control circuit are analyzed and designed in detail. The experimental results verify the theoretical analysis results, and verify that the circuit has good static and dynamic performance.

关 键 词：电路设计 磁隔离反馈 UC3901 有源箝位SEPIC电路 

分 类 号：TM46[电气工程—电器]