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) Maximal Lyapunov exponents for valley voltage-mode controlled buck-boost converter when (a) R_C varies from 10 mΩ to 20 mΩ and (b) C varies from 500 μF to 1000 μF.