1. Sun J, Mitchell DM, Grenel MF et al (1998) Modeling of PWM converters in discontinuous conduction mode a reexamination. APEC Rec 615–622
2. Sebastian J, Cobos JA et al (1995) The determination of the boundaries between continuous and discontinuous conduction modes in PWM DC-to-DC converters used as power factor preregulators. IEEE Trans PE 10(5):574–582
3. Wang J, Dunford WD, Mauch K (1997) Analysis of a ripple-free input-current boost converter with discontinuous conduction characteristics. IEEE Trans PE 12(4):684–694
4. Lee YS, Wang SJ, Hui SYR (1997) Modeling, analysis, and application of buck converters in discontinuous-input-voltage mode operation. IEEE Trans PE 12(2):350–360
5. Maksimovic D, Cuk S (1991) A unified analysis of PWM converters in discontinuous modes. IEEE Trans PE 6(3):476–490