Dynamics and stabilization of peak current-mode controlled buck converter with constant current load
Leng Min-Rui, Zhou Guo-Hua†, Zhang Kai-Tun, Li Zhen-Hua
       
Two boundaries of inductor current: (a) i n = I b1, i n +1 = i ref; (b) i n = I b2, i n +1 = 0.