Lessa Tofoli, F., A. Custódio Gomes, W. Henrique Maciel, E. Moreira Vicente, P. dos Santos Vicente, A. Silva de Morais, and  FábioVincenziRomualdodaSilva. “Development of A Small-Signal Model for the DC-DC Buck Converter Based on the Three- State Switching Cell”. IEEE Latin America Transactions, vol. 17, no. 4, Nov. 2019, pp. 573-81, https://latamt.ieeer9.org/index.php/transactions/article/view/2647.