Sampled-data modeling and dynamical effect of output-capacitor time-constant for valley voltage-mode controlled buck-boost converter

Zhou Shu-Han, Zhou Guo-Hua^†, Zeng Shao-Huan, Leng Min-Rui, Xu Shun-Gang

(color online) Operation spaces varying with output-capacitor time-constant CR_C: (a) regions divided by boundary equations; (b) regions divided by sampled-data model.