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) Experimental results of valley voltage-mode controlled buck-boost converter with different ESRs: (a) R_C = 20 mΩ; (b) R_C = 16 mΩ; (c) R_C = 11 mΩ.