PWM: amplitude [0; Vin], period T, duty cycle α
Continuous conduction when: Iout≥n1n2(1-α).α.T.Vin2L1
Discontinuous conduction when: Iout<n1n2(1-α).α.T.Vin2L1
Continuous conduction: Vout=n2n1α1-αVin
Discontinuous conduction: Vout=α2.T.Vin22L1.Iout