A Hybrid Always-Dual-Path Recursive Step-Down Converter Using Adaptive Switching Level Control Achieving 95.4% Efficiency with 288mΩ Large-DCR Inductor. - Woojoong Jung; Minsu Kim; Hyunjun Park; Sungmin Yoo; Tae-Hwang Kong; Jun-Hyeok Yang; Michael Choi; Jongshin Shin; Hyung-Min Lee (CICC, 2022)

A 93.5%-Efficiency 13.56-MHz-Bandwidth Optimal On/Off Tracking Active Rectifier with Fully Digital Feedback-Based Delay Control for Adaptive Efficiency Compensation. - Jisan Ahn; Hyun-Su Lee; Kyeongho Eom; Woojoong Jung; Hyung-Min Lee (VLSI Technology and Circuits, 2023)

A Wide-Load-Range and High-Slew Capacitor-Less NMOS LDO With Adaptive-Gain Nested Miller Compensation and Pre-Emphasis Inverse Biasing. - Hyunjun Park; Woojoong Jung; Minsu Kim; Hyung-Min Lee (IEEE J. Solid State Circuits, 2023)

8.9 A 96.5% Peak Efficiency Duty-Independent DC-DC Step-Up Converter with Low Input-Level Voltage Stress and Mode-Adaptive Inductor Current Reduction. - Minsu Kim; Woojoong Jung; Hyunjun Park; Junho Song; Youngkook Ahn; Taekyu Nam; Yoonsoo Shin; Young-Jin Woo; Hyung-Min Lee (ISSCC, 2024)

A 94.9% Efficiency Always-Power-Delivered SIDO Buck Converter With Continuous Current Balancing and Complementary Adaptive-Switching Regulation. - Woojoong Jung; Hyunjun Park; Minsu Kim; Hyung-Min Lee (IEEE J. Solid State Circuits, 2024)

An Inductor-First Hybrid Buck-Boost Converter Featuring Seamless Single-Mode Operation, 97.2% Peak Efficiency, and 565mAlmm3 Current Density with Ultra-Compact 1 mm3-Volume Inductor. - Hyunjun Park; Yunho Lee; Minsu Kim; Woojoong Jung; Hongseok Kim; Hyung-Min Lee (CICC, 2025)

A 97.4%-Peak-Efficiency Always-Half-Inductor-Current Hybrid Bidirectional Converter With Adaptive Target Current Tracking for USB-to-2-Cell Bidirectional Power Transfer. - Yunho Lee; Hyunjun Park; Minsu Kim; Woojoong Jung; Hongseok Kim; Hyung-Min Lee (ISSCC, 2025)

A Scalable Distributed Linear Regulator With 99.5%-Accuracy Replica-Based Current Sharing Calibration for Automotive Applications. - Woojoong Jung; Hyunjun Park; Minsu Kim; Hanh-Phuc Le; Haifeng Jin; Ju-Pyo Hong; Young-Jin Woo; Hyung-Min Lee (IEEE Trans. Ind. Electron., 2025)

A 13.56-MHz 93.5%-Efficiency Optimal On/Off Timing Tracking Active Rectifier With Digital Feedback-Based Adaptive Delay Control. - Jisan Ahn; Hyun-Su Lee; Kyeongho Eom; Woojoong Jung; Hyung-Min Lee (IEEE Trans. Biomed. Circuits Syst., 2025)