Design and Implementation Buck Converter for 540WP Solar Charger Using Fuzzy Logic ControlSutedjo, Ony Asrarul Qudsi, Andi Ardianto, Diah Septi Yanaratri, Suhariningsih and Moch. DarwisE3S Web Conf., 43 (2018) 01009DOI: https://doi.org/10.1051/e3sconf/20184301009