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2020 – today
- 2025
[j18]Chan-Ho Lee
, Jeong-Hun Kim, Hyunwoo Jeong, Hyeonho Park, Jeeyoung Shin, Junwon Jeong, Woong Choi, Sung-Wan Hong:
A 12-V Input 0.3 V-to-0.6 V Output Imbalanced Inductor-Currents Converter That Achieves a Peak Efficiency of 90.7%. IEEE Trans. Circuits Syst. II Express Briefs 72(1): 338-342 (2025)- 2024
- [j17]Hyo-Jin Park, Joo-Mi Cho, Hyeon-Ji Choi, Chan-Ho Lee, Young-Jun Jeon, Jeeyoung Shin, Woong Choi, Junwon Jeong, Sung-Wan Hong:
A Simultaneous Energy Transferring SIBO Converter Achieving Low Ripple and High Efficiency for AMOLED Applications. IEEE J. Solid State Circuits 59(5): 1497-1508 (2024) - [j16]Chan-Kyu Lee, Chan-Ho Lee, Young-Jun Jeon, Young-Ju Oh, Byunghun Lee, Sung-Wan Hong:
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. IEEE Trans. Ind. Electron. 71(9): 11696-11700 (2024) - [c25]Hyo-Jin Park, Joo-Mi Cho, Chan-Ho Lee, Young-Ju Oh, Hyunwoo Jeong, Jun-Hyeok Yang, Jaeseung Lee, Sung-Wan Hong:
8.8 A 97.18% Peak-Efficiency Asymmetrically Implemented Dual-phase (AID) Converter with a full Voltage-Conversion Ratio (VCR) between 0-and-1. ISSCC 2024: 1-3 - [c24]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:
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. ISSCC 2024: 156-158 - 2023
- [j15]Hyeon-Ji Choi, Chisung Bae, Yeunhee Huh, Sang Joon Kim, Seungchul Jung, Kye-Seok Yoon, Joo-Mi Cho, Hyo-Jin Park, Chan-Ho Lee, Su-Min Park, Esun Baik, Young-Ju Oh, Ho-Chan Ahn, Chan-Kyu Lee, Sung-Wan Hong:
An Ultra-Low Power Soft-Switching Self-Oscillating SIMO Converter for Implantable Stimulation Systems. IEEE Trans. Ind. Electron. 70(8): 8603-8608 (2023) - [c23]Ho-Chan Ahn, Joo-Mi Cho, Hyeon-Ji Choi, Chan-Ho Lee, Chan-Kyu Lee, Sung-Wan Hong:
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. ESSCIRC 2023: 249-252 - [c22]Esun Baik, Hyo-Jin Park, Sung-Wan Hong:
A Capacitor-less LDO for Mobile Devices with Fast Transient Using High Gain Positive Feedback Loop. ISOCC 2023: 189-190 - [c21]Chan-Ho Lee, Hyo-Jin Park, Joo-Mi Cho, Hyeon-Ji Choi, Young-Jun Jeon, Sung-Wan Hong:
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. VLSI Technology and Circuits 2023: 1-2 - [c20]Hyo-Jin Park, Joo-Mi Cho, Hyeon-Ji Choi, Chan-Ho Lee, Sung-Wan Hong:
96.48% Peak-Efficiency Continuous-Current Step-Up Battery Charger (CC-SUBC) with Dual Energy-Harvesting Sources for Automotive Application. VLSI Technology and Circuits 2023: 1-2 - 2022
- [c19]Young-Ju Oh, Hyo-Jin Park, Joo-Mi Cho, Hyeon-Ji Choi, Su-Min Park, Chan-Ho Lee, Esun Baik, Chan-Kyu Lee, Ho-Chan Ahn, Sung-Wan Hong:
A High Slew-rate Wide-range Capacitive Load Driving Buffer Amplifier with Correlated Dual Positive Feedback Loops. ISOCC 2022: 231-232 - 2021
- [j14]Najam Ul Hassan, Sung-Wan Hong, Byunghun Lee:
A Robust Multioutput Self-Regulated Rectifier for Wirelessly Powered Biomedical Applications. IEEE Trans. Ind. Electron. 68(6): 5466-5472 (2021) - [c18]Hyeon-Ji Choi, Joo-Mi Cho, Hyo-Jin Park, Sung-Wan Hong:
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. A-SSCC 2021: 1-3 - [c17]Joo-Mi Cho, Hyo-Jin Park, Hyunji Choi, Esun Baik, Jeeyoung Shin, Sung-Wan Hong:
A 100-MHz 81.2% All-Paths Inductor-Connected Buck-Converter with Balanced Conduction-Losses and Continuous Path-Currents. ESSCIRC 2021: 323-326 - [c16]Hyo-Jin Park, Joo-Mi Cho, Hyunji Choi, Esun Baik, Jeeyoung Shin, Sung-Wan Hong:
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. ESSCIRC 2021: 399-402 - [c15]Joo-Mi Cho, Hyo-Jin Park, Sung-Wan Hong:
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. VLSI Circuits 2021: 1-2 - 2020
- [j13]Sung-Wan Hong:
A Resonant Current-Mode Wireless Power and Data Receiver for Loosely Coupled Implantable Devices. IEEE J. Solid State Circuits 55(12): 3200-3209 (2020) - [j12]Jieun Park, Byunghun Lee, Sung-Wan Hong:
An Output Capacitorless Low-Dropout Regulator With a Low-VDD Inverting Buffer for the Mobile Application. IEEE Trans. Ind. Electron. 67(10): 8931-8935 (2020) - [c14]Sung-Wan Hong:
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. ISSCC 2020: 200-202 - [c13]Sung-Wan Hong:
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. ISSCC 2020: 486-488
2010 – 2019
- 2019
- [j11]Yeunhee Huh, Sung-Wan Hong, Gyu-Hyeong Cho:
A Hybrid Structure Dual-Path Step-Down Converter With 96.2% Peak Efficiency Using 250-m $\Omega$ Large-DCR Inductor. IEEE J. Solid State Circuits 54(4): 959-967 (2019) - [j10]Sang-Han Lee, Jun-Suk Bang, Kye-Seok Yoon, Hui-Dong Gwon, Sang-Won Kim, In-Kui Cho, Sung-Wan Hong, Gyu-Hyeong Cho:
Voltage-Boosted Current-Mode Wireless Power Receiver for Directly Charging a Low-Voltage Battery in Implantable Medical Systems. IEEE Trans. Ind. Electron. 66(11): 8860-8865 (2019) - [j9]Ki-Duk Kim, Hyung-Min Lee, Sung-Wan Hong, Gyu-Hyeong Cho:
A Noninverting Buck-Boost Converter With State-Based Current Control for Li-ion Battery Management in Mobile Applications. IEEE Trans. Ind. Electron. 66(12): 9623-9627 (2019) - 2018
- [j8]Kye-Seok Yoon, Sung-Wan Hong, Gyu-Hyeong Cho:
Double Pile-Up Resonance Energy Harvesting Circuit for Piezoelectric and Thermoelectric Materials. IEEE J. Solid State Circuits 53(4): 1049-1060 (2018) - [j7]Yeunhee Huh, Sung-Wan Hong, Sang-Hui Park, Changsik Shin, Jun-Suk Bang, Changbyung Park, Sungsoo Park, Gyu-Hyeong Cho:
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. IEEE J. Solid State Circuits 53(4): 1079-1088 (2018) - [c12]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, Hyung-Min Lee, Sung-Wan Hong, Wanyuan Qu, Gyu-Hyeong Cho:
A 95.2% efficiency dual-path DC-DC step-up converter with continuous output current delivery and low voltage ripple. ISSCC 2018: 430-432 - [c11]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, Gyu-Hyeong Cho:
A Quasi-Digital Ultra-Fast Capacitor-Less Low-Dropout Regulator Based on Comparator Control for x8 Current Spike of PCRAM Systems. VLSI Circuits 2018: 107-108 - [c10]Yeunhee Huh, Se-Un Shin, Sung-Wan Hong, Young-Jin Woo, Yong-Min Ju, Sung-Won Choi, Gyu-Hyeong Cho:
A Hybrid Dual-Path Step-Down Converter with 96.2% Peak Efficiency Using a $250\text{m}$ μ Large-DCR Inductor. VLSI Circuits 2018: 225-226 - 2016
- [j6]Sung-Wan Hong, Gyu-Hyeong Cho:
High-Gain Wide-Bandwidth Capacitor-Less Low-Dropout Regulator (LDO) for Mobile Applications Utilizing Frequency Response of Multiple Feedback Loops. IEEE Trans. Circuits Syst. I Regul. Pap. 63-I(1): 46-57 (2016) - [j5]Sung-Wan Hong, Gyu-Hyeong Cho:
A Pseudo Single-Stage Amplifier With an Adaptively Varied Medium Impedance Node for Ultra-High Slew Rate and Wide-Range Capacitive-Load Drivability. IEEE Trans. Circuits Syst. I Regul. Pap. 63-I(10): 1567-1578 (2016) - 2015
- [j4]Sung-Wan Hong, Sang-Hui Park, Tae-Hwang Kong, Gyu-Hyeong Cho:
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. IEEE J. Solid State Circuits 50(10): 2380-2393 (2015) - [c9]Sang-Han Lee, Jun-Suk Bang, Kye-Seok Yoon, Sung-Wan Hong, Changsik Shin, Min-Yong Jung, Gyu-Hyeong Cho:
12.1 A 0.518mm2 quasi-current-mode hysteretic buck DC-DC converter with 3μs load transient response in 0.35μm BCDMOS. ISSCC 2015: 1-3 - [c8]Sung-Wan Hong, Gyu-Hyeong Cho:
7.4μW Ultra-high slew-rate pseudo single-stage amplifier driving 0.1-to-15nF capacitive load with >69° phase margin. VLSIC 2015: 296- - [c7]Si-Duk Sung, Sung-Wan Hong, Jun-Suk Bang, Ji-Seon Paek, Seung-Chul Lee, Thomas Byunghak Cho, Gyu-Hyeong Cho:
86.55% Peak efficiency envelope modulator for 1.5W 10MHz LTE PA without AC coupling capacitor. VLSIC 2015: 342- - 2014
- [j3]Tae-Hwang Kong, Sung-Wan Hong, Gyu-Hyeong Cho:
A 0.791 mm2 On-Chip Self-Aligned Comparator Controller for Boost DC-DC Converter Using Switching Noise Robust Charge-Pump. IEEE J. Solid State Circuits 49(2): 502-512 (2014) - [c6]Sung-Wan Hong, Gyu-Hyeong Cho:
Inverting buck-boost DC-DC converter for mobile AMOLED display with real-time self-tuned minimum power-loss tracking scheme. CICC 2014: 1-4 - [c5]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:
23.5 An energy pile-up resonance circuit extracting maximum 422% energy from piezoelectric material in a dual-source energy-harvesting interface. ISSCC 2014: 402-403 - 2013
- [j2]Tae-Hwang Kong, Young-Jin Woo, Se-Won Wang, Yong-Joon Jeon, Sung-Wan Hong, Gyu-Hyeong Cho:
Zeroth-Order Control of Boost DC-DC Converter With Transient Enhancement Scheme. IEEE J. Solid State Circuits 48(3): 760-773 (2013) - [j1]Sung-Wan Hong, Tae-Hwang Kong, Sang-Hui Park, Changbyung Park, Seungchul Jung, Sungwoo Lee, Gyu-Hyeong Cho:
High Area-Efficient DC-DC Converter With High Reliability Using Time-Mode Miller Compensation (TMMC). IEEE J. Solid State Circuits 48(10): 2457-2468 (2013) - 2012
- [c4]Tae-Hwang Kong, Sung-Wan Hong, Sungwoo Lee, Jong-Pil Im, Gyu-Hyeong Cho:
A 0.791mm2 fully on-chip controller with self-error-correction for boost DC-DC converter based on Zero-Order Control. CICC 2012: 1-4 - [c3]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:
A 40mV transformer-reuse self-startup boost converter with MPPT control for thermoelectric energy harvesting. ISSCC 2012: 104-106 - [c2]Sung-Wan Hong, Tae-Hwang Kong, Seungchul Jung, Sungwoo Lee, Se-Won Wang, Jong-Pil Im, Gyu-Hyeong Cho:
High area-efficient DC-DC converter using Time-Mode Miller Compensation (TMMC). VLSIC 2012: 180-181 - 2011
- [c1]Tae-Hwang Kong, Young-Jin Woo, Se-Won Wang, Sung-Wan Hong, Gyu-Hyeong Cho:
Zero-order control of boost DC-DC converter with transient enhancement using residual current. ISSCC 2011: 390-392
Coauthor Index
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