一种基于TOP260EN的开关电源设计  

Design of the Switch Power Supply Based on TOP260EN

作　　者：张继东[1] 秦进平[1] 

机构地区：[1]黑龙江工程学院电子工程系,黑龙江哈尔滨150050

出　　处：《仪表技术》2010年第2期63-66,共4页Instrumentation Technology

基　　金：哈尔滨市科技创新研究专项资金项目(2008RFQXG108)

摘　　要：采用PWM控制器和MOSFET功率开关一体化的集成控制芯片是新一代开关电源设计的重要特点和趋势。为此,针对超声波发生器辅助电源设计中存在的问题,设计出一种基于TOP260EN的反激式开关电源。介绍了TOPSwitch-HX系列芯片的性能特点、内部结构和引脚功能,详细地说明了该电源的设计过程。研制出一台电源,经现场检测,该电源性能良好,满足设计要求。It＇s an important character and tendency to introduce integrating PWM controller with MOSFET powerswitch. In allusion to the problems existing in the design of auxiliary power supply for ultrasonic generator, a novel flyback switching power supply based on TOP260EN is designed. The performance characteristics, internal structure and pin descriptions of TOPSwitch-HX series chips are introduced in this paper. The design of the power supply is particularly explained. The power supply is developed. Through field detection, the power supply has good performance and meets design requirements.

关 键 词：TOP260EN TOPSwitch—HX 电路设计 辅助电源 

分 类 号：TM86[电气工程—高电压与绝缘技术] TN712[电子电信—电路与系统]