电流控制模式开关变换器研究

Study on Switching Converter in Current Mode

文章对开关变换器的电流型反馈控制模式的基本原理、斜坡补偿的效果以及控制电路特点进行了讨论,分析了其优缺点。对电流型控制模式的不足之处,通过分析给出了解决办法。最后给出不同应用电路反馈控制类型的选取原则。

The paper describes the switching converter in current mode, their advantages and disadvantages are analyzed and compared.Current mode is better but has some disadvantages, and the method to overcome them is presented.In the end some principles for choosing the control mode according to different applications are given.