2Ellis Ivan K,Forsyth Andrew J,L(?)Zhengyu.A High- performance Digital Phase-shift Controller for the Zero-voltage-switched Full-bridge Converter[].EPE‘ Rec.1997
3Smedley Keyue M.DigitaI-PWM Audio Power Amplifiers with Noise and Ripple Sliliping[].IEEE PESC‘ Rec.1994
4Smith K Mark,Smedley Keyue M,Ma Yuhong.Realization of a Digital PWM Power Amplifier Using Noise and Ripple Shaping[].IEEE PESC‘ Rec.1995
5Peterchev A,,Sanders S.Quantization resolution and limit cycling in digitally controlled PWM converters[].IEEE Transactions on Power Electronics.2001
6L$Zheng-yu,QIAN Zhao-ming,ZENG Yong,et al.Reduction of Digital PWM Limit Ring with Novel ControlAlgorithm[].IEEE APEC′ Rec.2001
7Henze C P.Power converter with duty ratio quantization[].US Pa- tent.1986
8Matsuo,H.,Kurokawa. F.,,Etou, H.,,Ishizuka, Y.,,Changfeng Chen.＂Design oriented analysis of the digitally controlled DC-DC converter＂[].IEEE PESC＇.2000
