Design Trends and Perspectives of Digital Low Dropout Voltage Regulators for Low Voltage Mobile Applications: A Review. - Li Fang Lai; Harikrishnan Ramiah; Tan Yee Chyan; Nai Shyan Lai; Chee-Cheow Lim; Yong Chen 005; Pui-In Mak; Rui Paulo Martins (IEEE Access, 2023)