An Overview of Stability Improvement Methods for Wide-Operation-Range Flyback Converter with Variable Frequency Peak-Current-Mode Control

被引：0
|
作者：
Cheng, Ching-Hsiang [1 ]
Chen, Ching-Jan [1 ]
Wang, Shinn-Shyong [2 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
[2] Richtek Technol Corp, Chupei, Taiwan
来源：
2018 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-NIIGATA 2018 -ECCE ASIA) | 2018年
关键词：
flyback converter; Universal Serial Bus Power Delivery (USB-PD); variable-frequency peak-current mode (VFPCM) control; stability improvement method;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Recently, flyback converter with Universal Serial Bus Power Delivery (USB-PD) specification is widely used in low-power adaptor application. However, the wide output-voltage- range operation of USB-PD makes the stability issue of flyback converter more severe. This paper provides a brief overview of two stability improvement methods for variable-frequency peak-current mode (VFPCM) controlled flyback converter while possessing the variable frequency characteristic for high efficiency and completely interprets those detail techniques. Simulation validates the performances of the two methods. Furthermore, a control circuit and a flyback converter are built for experimental validation of NVFPCM control with constant crossover frequency. Finally, some comments are also summarized.
引用
收藏
页码：2086 / 2091
页数：6
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