A 100mK-NETD 100ms-startup-time 80×60 micro-bolometer CMOS thermal imager integrated with a 0.234mm2 1.89μVrms noise 12b biasing DAC. - Kiduk Kim; Seunghyun Park; Kye-Seok Yoon; Gyeong-Gu Kang; Hyun-Ki Han; Ji-Su Choi; Min-Woo Ko; Jeong-Hyun Cho; Sangjin Lim; Hyung-Min Lee; Hyunsik Kim; Kwyro Lee; et al. (ISSCC, 2018)

A 97% high-efficiency 6μs fast-recovery-time buck-based step-up/down converter with embedded 1/2 and 3/2 charge-pumps for li-lon battery management. - Min-Woo Ko; Kiduk Kim; Young-Jin Woo; Se-Un Shin; Hyun-Ki Han; Yeunhee Huh; Gyeong-Gu Kang; Jeong-Hyun Cho; Sang-Jin Lim; Se-Hong Park; Hyung-Min Lee; Gyu-Hyeong Cho (ISSCC, 2018)

A 95.2% efficiency dual-path DC-DC step-up converter with continuous output current delivery and low voltage ripple. - Se-Un Shin; Yeunhee Huh; Yong-Min Ju; Sung-Won Choi; Changsik Shin; Young-Jin Woo; Minseong Choi; Se-Hong Park; Young-Hoon Sohn; Min-Woo Ko; Youngsin Jo; Hyun-Ki Han; et al. (ISSCC, 2018)

11.8 A 96.8%-Efficiency Continuous Input/Output-Current Step-Up/Down Converter Powering Disposable IoTs with Reconfigurable Multi-Cell-Balanced Alkaline Batteries. - Min-Woo Ko; Gyeong-Gu Kang; Ki-Duk Kim; Ji-Hun Lee; Seok-Tae Koh; Tae-Hwang Kong; Sang-Ho Kim; Sungyong Lee; Michael Choi; Jongshin Shin; Gyu-Hyeong Cho; Hyunsik Kim (ISSCC, 2020)

An 8Ω, 1.4W, 0.0024% THD+N Class-D Audio Amplifier with Bridge-Tied Load Half-Side Switching Mode Achieving Low Standby Quiescent Current of 660μA. - Ji-Hun Lee; Gyeong-Gu Kang; Min-Woo Ko; Gyu-Hyeong Cho; Hyun-Sik Kim (VLSI Circuits, 2020)

17.8 A 90.5%-Efficiency 28.7µ VRMS-Noise Bipolar-Output High-Step-Up SC DC-DC Converter with Energy-Recycled Regulation and Post-Filtering for ±15V TFT-Based LAE Sensors. - Min-Woo Ko; Hyun-Ki Han; Hyun-Sik Kim (ISSCC, 2021)

A 4.5V-Input 0.3-to-1.7V-Output Step-Down Always-Dual-Path DC-DC Converter Achieving 91.5%-Efficiency with 250mΩ-DCR Inductor for Low-Voltage SoCs. - Jae-Young Ko; Yeunhee Huh; Min-Woo Ko; Gyeong-Gu Kang; Gyu-Hyeong Cho; Hyun-Sik Kim (VLSI Circuits, 2021)

A Monolithic 48V-to-1V 10A Quadruple Step-Down DC-DC Converter with Hysteretic Copied On-Time 4-Phase Control and 2× Slew Rate All-Hysteretic Mode. - Hyun-Ki Han; Min-Woo Ko; Jeong-Hyun Cho; Gyeong-Gu Kang; Seok-Tae Koh; Hong-Hyun Bae; Hyun-Sik Kim (VLSI Technology and Circuits, 2022)

A Bipolar-Output Switched-Capacitor DC-DC Boost Converter With Residual-Energy-Recycling Regulation and Low Dropout Post-Filtering Techniques. - Min-Woo Ko; Hyunki Han; Hyun-Sik Kim (IEEE J. Solid State Circuits, 2023)