Zero-order control of boost DC-DC converter with transient enhancement using residual current. - Tae-Hwang Kong; Young-Jin Woo; Se-Won Wang; Sung-Wan Hong; Gyu-Hyeong Cho (ISSCC, 2011)

A 0.791mm2 fully on-chip controller with self-error-correction for boost DC-DC converter based on Zero-Order Control. - Tae-Hwang Kong; Sung-Wan Hong; Sungwoo Lee; Jong-Pil Im; Gyu-Hyeong Cho (CICC, 2012)

A 40mV transformer-reuse self-startup boost converter with MPPT control for thermoelectric energy harvesting. - Jong-Pil Im; Se-Won Wang; Kang-Ho Lee; Young-Jin Woo; Young-sub Yuk; Tae-Hwang Kong; Sung-Wan Hong; Seung-Tak Ryu; Gyu-Hyeong Cho (ISSCC, 2012)

High area-efficient DC-DC converter using Time-Mode Miller Compensation (TMMC). - Sung-Wan Hong; Tae-Hwang Kong; Seungchul Jung; Sungwoo Lee; Se-Won Wang; Jong-Pil Im; Gyu-Hyeong Cho (VLSIC, 2012)

High Area-Efficient DC-DC Converter With High Reliability Using Time-Mode Miller Compensation (TMMC). - Sung-Wan Hong; Tae-Hwang Kong; Sang-Hui Park; Changbyung Park; Seungchul Jung; Sungwoo Lee; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2013)

Zeroth-Order Control of Boost DC-DC Converter With Transient Enhancement Scheme. - Tae-Hwang Kong; Young-Jin Woo; Se-Won Wang; Yong-Joon Jeon; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2013)

Inverting buck-boost DC-DC converter for mobile AMOLED display with real-time self-tuned minimum power-loss tracking scheme. - Sung-Wan Hong; Gyu-Hyeong Cho (CICC, 2014)

23.5 An energy pile-up resonance circuit extracting maximum 422% energy from piezoelectric material in a dual-source energy-harvesting interface. - Young-Sub Yuk; Seungchul Jung; Hui-Dong Gwon; Sukhwan Choi; Si-Duk Sung; Tae-Hwang Kong; Sung-Wan Hong; Jun-Han Choi; Min-Yong Jeong; Jong-Pil Im; Seung-Tak Ryu; Gyu-Hyeong Cho (ISSCC, 2014)

A 0.791 mm2 On-Chip Self-Aligned Comparator Controller for Boost DC-DC Converter Using Switching Noise Robust Charge-Pump. - Tae-Hwang Kong; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2014)

12.1 A 0.518mm2 quasi-current-mode hysteretic buck DC-DC converter with 3μs load transient response in 0.35μm BCDMOS. - Sang-Han Lee; Jun-Suk Bang; Kye-Seok Yoon; Sung-Wan Hong; Changsik Shin; Min-Yong Jung; Gyu-Hyeong Cho (ISSCC, 2015)

7.4μW Ultra-high slew-rate pseudo single-stage amplifier driving 0.1-to-15nF capacitive load with >69° phase margin. - Sung-Wan Hong; Gyu-Hyeong Cho (VLSIC, 2015)

86.55% Peak efficiency envelope modulator for 1.5W 10MHz LTE PA without AC coupling capacitor. - Si-Duk Sung; Sung-Wan Hong; Jun-Suk Bang; Ji-Seon Paek; Seung-Chul Lee; Thomas Byunghak Cho; Gyu-Hyeong Cho (VLSIC, 2015)

Inverting Buck-Boost DC-DC Converter for Mobile AMOLED Display Using Real-Time Self-Tuned Minimum Power-Loss Tracking (MPLT) Scheme With Lossless Soft-Switching for Discontinuous Conduction Mode. - Sung-Wan Hong; Sang-Hui Park; Tae-Hwang Kong; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2015)

High-Gain Wide-Bandwidth Capacitor-Less Low-Dropout Regulator (LDO) for Mobile Applications Utilizing Frequency Response of Multiple Feedback Loops. - Sung-Wan Hong; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2016)

A Pseudo Single-Stage Amplifier With an Adaptively Varied Medium Impedance Node for Ultra-High Slew Rate and Wide-Range Capacitive-Load Drivability. - Sung-Wan Hong; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2016)

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)

A Quasi-Digital Ultra-Fast Capacitor-Less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems. - Sung-Won Choi; Yeunhee Huh; Sang-Hui Park; Kye-Seok Yoon; Jun-Suk Bang; Se-Un Shin; Yong-Min Ju; Yu-Jin Yang; Junghyuk Yoon; Changyong Ahn; Taekseung Kim; Sung-Wan Hong; et al. (VLSI Circuits, 2018)

A Hybrid Dual-Path Step-Down Converter with 96.2% Peak Efficiency Using a $250 text{m}$ μ Large-DCR Inductor. - Yeunhee Huh; Se-Un Shin; Sung-Wan Hong; Young-Jin Woo; Yong-Min Ju; Sung-Won Choi; Gyu-Hyeong Cho (VLSI Circuits, 2018)

A 10.1" 183-µW/electrode, 0.73-mm2/sensor High-SNR 3-D Hover Sensor Based on Enhanced Signal Refining and Fine Error Calibrating Techniques. - Yeunhee Huh; Sung-Wan Hong; Sang-Hui Park; Changsik Shin; Jun-Suk Bang; Changbyung Park; Sungsoo Park; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2018)

Double Pile-Up Resonance Energy Harvesting Circuit for Piezoelectric and Thermoelectric Materials. - Kye-Seok Yoon; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2018)

A Hybrid Structure Dual-Path Step-Down Converter With 96.2% Peak Efficiency Using 250-m $ Omega$ Large-DCR Inductor. - Yeunhee Huh; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2019)

A Noninverting Buck-Boost Converter With State-Based Current Control for Li-ion Battery Management in Mobile Applications. - Ki-Duk Kim; Hyung-Min Lee; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2019)

Voltage-Boosted Current-Mode Wireless Power Receiver for Directly Charging a Low-Voltage Battery in Implantable Medical Systems. - Sang-Han Lee; Jun-Suk Bang; Kye-Seok Yoon; Hui-Dong Gwon; Sang-Won Kim 001; In-Kui Cho; Sung-Wan Hong; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2019)

11.6 A 1.46mm2 Simultaneous Energy-Transferring Single-Inductor Bipolar-Output Converter with a Flying Capacitor for Highly Efficient AMOLED Display in 0.5µm CMOS. - Sung-Wan Hong (ISSCC, 2020)

32.1 A 13.56MHz Current-Mode Wireless Power and Data Receiver with Efficient Power Extracting Controller and Energy-Shift Keying Technique for Loosely Coupled Implantable Devices. - Sung-Wan Hong (ISSCC, 2020)

A Resonant Current-Mode Wireless Power and Data Receiver for Loosely Coupled Implantable Devices. - Sung-Wan Hong (IEEE J. Solid State Circuits, 2020)

An Output Capacitorless Low-Dropout Regulator With a Low-VDD Inverting Buffer for the Mobile Application. - Jieun Park; Byunghun Lee; Sung-Wan Hong (IEEE Trans. Ind. Electron., 2020)

An Output Capacitor-less Low-dropout Regulator using a Wide-range Single-stage Gain-boosted Error Amplifier and a Frequency-dependent Buffer with a Total Compensation Capacitance of 2.5 pF in 0.5 µm CMOS. - Hyeon-Ji Choi; Joo-Mi Cho; Hyo-Jin Park 002; Sung-Wan Hong (A-SSCC, 2021)

A 100-MHz 81.2% All-Paths Inductor-Connected Buck-Converter with Balanced Conduction-Losses and Continuous Path-Currents. - Joo-Mi Cho; Hyo-Jin Park 002; Hyunji Choi; Esun Baik; Jeeyoung Shin; Sung-Wan Hong (ESSCIRC, 2021)

A 18 µA Rail-to-Rail Class-AB Operational Amplifier with a High-Slew Miller Compensation (HSMC) Technique with 240% Settling Time Reduction in 0.18 µm. - Hyo-Jin Park 002; Joo-Mi Cho; Hyunji Choi; Esun Baik; Jeeyoung Shin; Sung-Wan Hong (ESSCIRC, 2021)

A 0.93-μW Single-Stage Rail-to-Rail Class AB Buffer Amplifier Improving DC gain and Slew-Rate with Different-Ratio Current-Mirrors and Positive-Feedback Loops. - Joo-Mi Cho; Hyo-Jin Park 002; Sung-Wan Hong (VLSI Circuits, 2021)

A Robust Multioutput Self-Regulated Rectifier for Wirelessly Powered Biomedical Applications. - Najam Ul Hassan; Sung-Wan Hong; Byunghun Lee (IEEE Trans. Ind. Electron., 2021)

A High Slew-rate Wide-range Capacitive Load Driving Buffer Amplifier with Correlated Dual Positive Feedback Loops. - Young-Ju Oh; Hyo-Jin Park 002; Joo-Mi Cho; Hyeon-Ji Choi; Su-Min Park; Chan-Ho Lee; Esun Baik; Chan-Kyu Lee; Ho-Chan Ahn; Sung-Wan Hong (ISOCC, 2022)

A 2 A Maximum Load Current Capable 0-to-1 μF Off-chip Capacitor N-type LDO using Dual Dynamic Negative Feedback Loop and an Improved Error Amplifier. - Ho-Chan Ahn; Joo-Mi Cho; Hyeon-Ji Choi; Chan-Ho Lee; Chan-Kyu Lee; Sung-Wan Hong (ESSCIRC, 2023)

A Capacitor-less LDO for Mobile Devices with Fast Transient Using High Gain Positive Feedback Loop. - Esun Baik; Hyo-Jin Park 002; Sung-Wan Hong (ISOCC, 2023)

A 1V 20.7μW Four-Stage Amplifier Capable of Driving a 4-to-12nF Capacitive Load with >1.07MHz GBW with an Improved Active Zero. - Chan-Ho Lee; Hyo-Jin Park 002; Joo-Mi Cho; Hyeon-Ji Choi; Young-Jun Jeon; Sung-Wan Hong (VLSI Technology and Circuits, 2023)

96.48% Peak-Efficiency Continuous-Current Step-Up Battery Charger (CC-SUBC) with Dual Energy-Harvesting Sources for Automotive Application. - Hyo-Jin Park 002; Joo-Mi Cho; Hyeon-Ji Choi; Chan-Ho Lee; Sung-Wan Hong (VLSI Technology and Circuits, 2023)

An Ultra-Low Power Soft-Switching Self-Oscillating SIMO Converter for Implantable Stimulation Systems. - Hyeon-Ji Choi; Chisung Bae; Yeunhee Huh; Sang Joon Kim; Seungchul Jung; Kye-Seok Yoon; Joo-Mi Cho; Hyo-Jin Park 002; Chan-Ho Lee; Su-Min Park; Esun Baik; Young-Ju Oh; et al. (IEEE Trans. Ind. Electron., 2023)

8.7 A 92.7% Peak Efficiency 12V-to-60V Input to 1.2V Output Hybrid DC-DC Converter Based on a Series-Parallel-Connected Switched Capacitor. - Hyeon-Ji Choi; Chan-Ho Lee; Young-Jun Jeon; Hyeonho Park; Jeong-Hun Kim; Young-Jin Woo; Ju-Pyo Hong; Haifeng Jin; Sung-Wan Hong (ISSCC, 2024)

8.8 A 97.18% Peak-Efficiency Asymmetrically Implemented Dual-phase (AID) Converter with a full Voltage-Conversion Ratio (VCR) between 0-and-1. - Hyo-Jin Park 002; Joo-Mi Cho; Chan-Ho Lee; Young-Ju Oh; Hyunwoo Jeong; Jun-Hyeok Yang; Jaeseung Lee; Sung-Wan Hong (ISSCC, 2024)

A Simultaneous Energy Transferring SIBO Converter Achieving Low Ripple and High Efficiency for AMOLED Applications. - Hyo-Jin Park 002; Joo-Mi Cho; Hyeon-Ji Choi; Chan-Ho Lee; Young-Jun Jeon; Jeeyoung Shin; Woong Choi; Junwon Jeong; Sung-Wan Hong (IEEE J. Solid State Circuits, 2024)

A 92 ns Settling-Time Fast-Transient Capacitor-Less LDO With a Stable Class B Bandwidth-Boosting Error Amplifier and an Improved Buffer for Mobile Applications. - Chan-Kyu Lee; Chan-Ho Lee; Young-Jun Jeon; Young-Ju Oh; Byunghun Lee; Sung-Wan Hong (IEEE Trans. Ind. Electron., 2024)

9.5 A Sub-1V, 50mV Dropout LDO Using Pseudo-Impedance Buffer with Phase-Margin Improvement Design. - Young-Jun Jeon; Jeong-Hun Kim; Won-Gyu Kim; Sung-Wan Hong (ISSCC, 2025)

21.6 A 2A Fully Analog Distribution LDO with Noise Immunity for an SoC. - Jeong-Hun Kim; Young-Jun Jeon; Won-Gyu Kim; Jaeseung Lee; Jun-Hyeok Yang; Sung-Wan Hong (ISSCC, 2025)

A 12-V Input 0.3 V-to-0.6 V Output Imbalanced Inductor-Currents Converter That Achieves a Peak Efficiency of 90.7%. - Chan-Ho Lee; Jeong-Hun Kim; Hyunwoo Jeong; Hyeonho Park; Jeeyoung Shin; Junwon Jeong; Woong Choi; Sung-Wan Hong (IEEE Trans. Circuits Syst. II Express Briefs, 2025)

A Robust High On-Duty Buck Converter Achieving a Peak Effective On-Duty of 0.976 With EMI Suppression. - Young-Ju Oh; Chan-Ho Lee; Sang-Yun Nam; Jun-Seok Oh; Seok-Jun Lee; Jun-Hyeok Yang; Jaeseung Lee; Sung-Wan Hong (IEEE Trans. Ind. Electron., 2025)

A 2 A Dual Loop LDO With Dynamic Negative Feedback Loop and Gm Boosting Error Amplifier for Off-Chip and Cap-Less Applications. - Ho-Chan Ahn; Chan-Ho Lee; Sang-Yun Nam; Jeong-Hun Kim; Hyeonho Park; Hyunwoo Jeong; Jeeyoung Shin; Woong Choi; Junwon Jeong; Sung-Wan Hong (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)

A 1.8-5.5-V LDO-BGR System With LACM Buffer for High PSRR in Camera Applications. - Won-Gyu Kim; Sang-Yun Nam; Young-Jun Jeon; Sung-Wan Hong (IEEE Trans. Circuits Syst. II Express Briefs, 2025)