Digitally-controlled H-bridge DC-DC converter for micropower PV energy harvesting system. - Anh Khoa Bui; Zhekai Xiao; Liter Siek (ISIC, 2016)

A switched-capacitor DC-DC converter with embedded fast NMOS-LDOs achieving low noise, low output voltage ripple and fast response. - Zhekai Xiao; Anh Khoa Bui; Liter Siek (ISIC, 2016)

A Hysteretic Switched-Capacitor DC-DC Converter With Optimal Output Ripple and Fast Transient Response. - Zhekai Xiao; Anh Khoa Bui; Liter Siek (IEEE Trans. Very Large Scale Integr. Syst., 2017)