Fast-transient DC-DC converter using a high-performance error amplifier with a rapid output-voltage control technique. - Khurram Javed; Jaejin Yeo; Jaeseong Lee 001; Jeongjin Roh (Int. J. Circuit Theory Appl., 2017)

A 20-MHz bandwidth, 75-dB dynamic range, continuous-time delta-sigma modulator with reduced nonidealities. - Seokjae Song; Jaeseong Lee 001; Jeongjin Roh (Int. J. Circuit Theory Appl., 2019)

Low-Power Fast-Transient Capacitor-Less LDO Regulator With High Slew-Rate Class-AB Amplifier. - Jun Tang 003; Jaeseong Lee 001; Jeongjin Roh (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

60-V Non-Inverting Four-Mode Buck-Boost Converter With Bootstrap Sharing for Non-Switching Power Transistors. - Jiho Moon; Jaeseong Lee 001; Seungjin Kim; Gyeongha Ryu; Ju-Pyo Hong; Juhyun Lee; Haifeng Jin; Jeongjin Roh (IEEE Access, 2020)