29.6 A Distributed Digital LDO with Time-Multiplexing Calibration Loop Achieving 40A/mm2 Current Density and 1mA-to-6.4A Ultra-Wide Load Range in 5nm FinFET CMOS. - Dong-Hoon Jung; Tae-Hwang Kong; Jun-Hyeok Yang; SangHo Kim; Kwangho Kim; Jeongpyo Park; Michael Choi; Jongshin Shin (ISSCC, 2021)