Jingjing Lan and  Jun Zhou and  Xin Liu,  An Area-Efficient and Low-Power Digital Pulse-Width Modulation Controller for DC-DC Switching Power Converter.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 81(9). 1178 - 1181
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/16659.