5Sahu B, Rincon-Mora G A. A low voltage, dynamic, noninverting, synchronous Buck-Boost converter for portable applications[J]. IEEE Trans. on Power Electronics, 2004, 19(2): 443-452.
6Qiao Haibo, Zhang Yicheng, Yao Yongtao, et al. Analysis of Buck-Boost converters for fuel cell electric vehicles[C]. IEEE International Conference on Vehicular Electronics and Safety, Shanghai, China, 2006.
7Chert Jingquan, Maksimovic D, Erickson E W. Analysis and design of a low-stress Buck-Boost converter in universal-input PFC applications [J]. IEEE Trans. on Power Electronics, 2006, 21 (2).. 320-329.
8Chen Jingquan, Maksimovic D, Erickson E W. Buck-Boost PWM converters having two independently controlled switches[C]. IEEE Power Electronics Specialists Conference, Vancouver, British Columbia, Canada, 2001.
9LeeYJ, Alireza K, Arindam C, et al. Digital combination of Buck and Boost converters to control a positive Buck-Boost converter and improve the output transients[J]. IEEE Trans. on Power Electronics, 2009, 24(5): 1267-1279.
10Lee Y J, Alireza K, Ali E. A compensation technique for smooth transitions in a noninverting Buck-Boost converter[J]. IEEE Trans. on Power Electronics, 2009, 24(4): 1002-1016.