基于TOP245的UPS辅助电源  

UPS auxiliary power supply based on TOP245

作　　者：梁杰[1] 张代润[1] 许扬[1] 

机构地区：[1]四川大学电气信息学院,四川成都610065

出　　处：《电源技术》2014年第7期1340-1342,共3页Chinese Journal of Power Sources

摘　　要：介绍了基于LM2596调节的输出可调的多路单片开关电源,给出了开关电源各部分(包括整流滤波输入、功率变换电路、输出滤波电路和反馈电路)设计的详细过程,以及关键元器件的选取方法,并在其基础上分析了这种开关电源的硬件结构,提出了采用稳压芯片来满足人们所要求的功能,从而使其达到输出电压连续可调的效果,并且设计简单易实现。通过采用TOP245YN芯片,使设计可以达到较大功率的要求。The switch power supply of adjustable output multiple circuits single chip based on TOP245YN was introduced, and the design details of all parts of the power supply, including rectify filtering input circuit, power convert circuit, output filtering circuit and feedback circuit, and the method of choosing key components were given. The structure of the hardware was analyzed, proposing that the voltage stabilizing chip was used to meet the required functions realizing the effect of the output voltage continuous adjusting. The device is very easy to be designed. With the TOP245YN, the design can achieve the requirements for high power.

关 键 词：反激式开关电源 输出连续可调 稳压芯片 TOP245YN 

分 类 号：TM56[电气工程—电器]