Pulse-waveform integral approach-a unified approach to model switching converters for the types of PWM
quasi-resonance and series(parallel) resonance is put forward in the paper.With the approach
the speciality of a converter can be embodied
and a unified standard may be set up for the analyses and comparisons among the converters.As examples
PWM and quasi-resonant converters are used to discuss the principle of the approach.The results are compared with those in the relative paper.Computer aided andyses ae made confirm the correctness.