Perturbation on-time (POT) control and inhibit time control (ITC) in suppression of THD of power factor correction (PFC) design. - Jen-Chieh Tsai; Chi-Lin Chen; Yi-Ting Chen; Chia-Lung Ni; Chun-Yen Chen; Ke-Horng Chen; Chih-Jen Chen; Heng-Lin Pan (CICC, 2011)