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
(a) Buck-boost converter and (b) its steady-state waveforms with large ESR.