单片开关电源的波形测试及分析  

Waveform Testing and Analysis of the Single Chip Switching Power Supply

作　　者：沙占友 马洪涛[1] 王彦朋[1] 

机构地区：[1]河北科技大学 信息科学与工程学院,河北石家庄050054

出　　处：《电源技术应用》2007年第6期59-62,共4页Power Supply Technologles and Applications

摘　　要：以单片开关电源的典型电路为例,详细阐述其波形测试方法并对实测波形作了深入分析,重点研究了单片开关电源的启动特性、一次侧和二次侧的电压波形及电流波形。所得出的结论对实现单片开关电源的优化设计具有重要参考价值。Adopts the typical circuit of single chip switching power supply as the example. Expatiates the waveform testing methods and analyzes the waveform measured practically. Researches the start-up feature, voltage and current waveform of the primary and secondary side of the single chip switching power supply. The conclusions have important reference value to realizing optimizing design of the single chip switching power supply.

关 键 词：开关电源 波形测试 启动 尖峰电流 

分 类 号：TN86[电子电信—信息与通信工程]