A 10/30MHz PWM buck converter with an accuracy-improved ramp generator. - Yonggen Liu; Chenchang Zhan; Lin Cheng 001; Wing-Hung Ki (APCCAS, 2012)

A fast-transient-response hybrid buck converter with automatic and nearly-seamless loop transition for portable applications. - Yonggen Liu; Chenchang Zhan; Wing-Hung Ki (ESSCIRC, 2012)

Fast-transient-response high-PSR low-dropout regulator based on ultra-fast error amplifier and unity-gain buffer for portable applications. - Yonggen Liu; Chenchang Zhan; Wing-Hung Ki (ISCAS, 2014)

4.4 A 10/30MHz Wide-duty-cycle-range buck converter with DDA-based Type-III compensator and fast reference-tracking responses for DVS applications. - Lin Cheng 001; Yonggen Liu; Wing-Hung Ki (ISSCC, 2014)

A 10/30 MHz Fast Reference-Tracking Buck Converter With DDA-Based Type-III Compensator. - Lin Cheng 001; Yonggen Liu; Wing-Hung Ki (IEEE J. Solid State Circuits, 2014)

A 0.035mm2 150mA fast-response low-dropout regulator based on matching-enhanced error amplifier and multi-threshold-controlled unity-gain buffer in 0.13μm CMOS. - Chenchang Zhan; Wing-Hung Ki; Jiawei Zheng; Yonggen Liu (ISCAS, 2016)