Novel constant frequency PWM DC/DC converter with zero voltage switching for both primary switches and secondary rectifying diodes. - In-Dong Kim; Eui-Cheol Nho; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 1992)

A new soft recovery PWM quasi-resonant converter with a folding snubber network. - Jin-Kuk Chung; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2002)

A precise temperature-insensitive and linear-in-dB variable gain amplifier. - Sungho Beck; Myung-woon Hwang; Sang-Hoon Lee; Gyu-Hyeong Cho; Jong-Ryul Lee (ISCAS (1), 2003)

A 14-b linear capacitor self-trimming pipelined ADC. - Seung-Tak Ryu; Sourja Ray; Bang-Sup Song; Gyu-Hyeong Cho; Kantilal Bacrania (IEEE J. Solid State Circuits, 2004)

A Single Chip 1 W CMOS Audio Power Amplifier with Pseudo Buffer Analog and Class D Switching Mixed Mode for Mobile Application. - Ji-Yeoul Ryoo; Gyu-Hyeong Cho (IEICE Trans. Electron., 2005)

A 1.8dB NF 112mW Single-Chip Diversity Tuner for 2.6GHz S-DMB Applications. - Myung-woon Hwang; Sungho Beck; Sunki Min; Sanghoon Lee; Seungyup Yoo; Kyoohyun Lim; Hyosun Jung; Jeong-Cheol Lee; Seokyong Hong; ChangHee Lee; Kyunglok Kim; Hyunji Song; et al. (ISSCC, 2006)

Voltage-Clamped Class-E Inverter With Harmonic Tuning Network for Magnetron Drive. - Young-Jin Woo; Sang-Kyung Kim; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

Detection and regulation of CCFL current and open-lamp voltage while keeping floating condition of the lamp. - Sang-Kyung Kim; Hee Seok Han; Young-Jin Woo; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2006)

A Single-Inductor Step-Up DC-DC Switching Converter with Bipolar Outputs for Active Matrix OLED Mobile Display Panels. - Chang-Seok Chae; Hanh-Phuc Le; Kwang-Chan Lee; Min-Chul Lee; Gyu-Hyeong Cho; Gyu-Ha Cho (ISSCC, 2007)

A 2W CMOS Hybrid Switching Amplitude Modulator for EDGE Polar Transmitters. - Tae-Woo Kwak; Min-Chul Lee; Bae-Kun Choi; Hanh-Phuc Le; Gyu-Hyeong Cho (ISSCC, 2007)

A Single-Inductor Switching DC-DC Converter with 5 Outputs and Ordered Power-Distributive Control. - Hanh-Phuc Le; Chang-Seok Chae; Kwang-Chan Lee; Gyu-Hyeong Cho; Se-Won Wang; Gyu-Ha Cho; Sung-il Kim (ISSCC, 2007)

A Column Driver with Low-Power Area-Efficient Push-Pull Buffer Amplifiers for Active-Matrix LCDs. - Young-Suk Son; Ji-Hun Kim; Hyun-Ho Cho; Ju-Pyo Hong; Joon-Ho Na; Dae-Seong Kim; Dae-Keun Han; Jin-Cheol Hong; Yong-Joon Jeon; Gyu-Hyeong Cho (ISSCC, 2007)

A 2 W CMOS Hybrid Switching Amplitude Modulator for EDGE Polar Transmitters. - Tae-Woo Kwak; Min-Chul Lee; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2007)

A Single-Inductor Switching DC-DC Converter With Five Outputs and Ordered Power-Distributive Control. - Hanh-Phuc Le; Chang-Seok Chae; Kwang-Chan Lee; Se-Won Wang; Gyu-Ha Cho; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2007)

A Gray-Level Dependent Pre-Emphasis Column Driver With Fast Settling for Active-Matrix LCD Applications. - Young-Suk Son; Hong-Hee Son; Yong-Suk Kim; Hyeong-Seog Oh; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2007)

A Direct-Type Fast Feedback Current Driver for Medium-to Large-Size AMOLED Displays. - Jinyong Jeon; Yong-Joon Jeon; Young-Suk Son; Kwang-Chan Lee; Hyung-Min Lee; Seungchul Jung; Kang-Ho Lee; Gyu-Hyeong Cho (ISSCC, 2008)

Load-Independent Control of Switching DC-DC Converters With Freewheeling Current Feedback. - Young-Jin Woo; Hanh-Phuc Le; Gyu-Ha Cho; Gyu-Hyeong Cho; Seong-Il Kim (IEEE J. Solid State Circuits, 2008)

A High IIP2 Direct-Conversion Receiver Using Even-Harmonic Reduction Technique for Cellular CDMA/PCS/GPS Applications. - Myung-woon Hwang; Gyu-Hyeong Cho; Seungyup Yoo; Jeong-Cheol Lee; Sungmin Ock; Sunki Min; Sang-Hoon Lee; Sungho Beck; Kyoohyun Lim; Sangwoo Han; Joonsuk Lee (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

A 4-W Master-Slave Switching Amplitude Modulator for Class-E1 EDGE Polar Transmitters. - Min-Chul Lee; Tae-Woo Kwak; Bae-Kun Choi; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Design considerations of channel buffer amplifiers for low-power area-efficient column drivers in active-matrix LCDs. - Young-Suk Son; Gyu-Hyeong Cho (IEEE Trans. Consumer Electron., 2008)

A piecewise-linear 10b DAC architecture with drain-current modulation for compact AMLCD driver ICs. - Yong-Joon Jeon; Hyung-Min Lee; Sungwoo Lee; Gyu-Hyeong Cho; Hyoung-Rae Kim; Yoon-Kyung Choi; Myunghee Lee (ISSCC, 2009)

A 10b column driver with variable-current-control interpolation for mobile active-matrix LCDs. - Hyung-Min Lee; Yong-Joon Jeon; Sungwoo Lee; Gyu-Hyeong Cho; Hyoung-Rae Kim; Yoon-Kyung Choi; Myunghee Lee (ISSCC, 2009)

Multiple-output step-up/down switching DC-DC converter with vestigial current control. - Kyoung-Sik Seol; Young-Jin Woo; Gyu-Hyeong Cho; Gyu-Ha Cho; Jae-Woo Lee; Sung-il Kim (ISSCC, 2009)

A Single-Inductor Step-Up DC-DC Switching Converter With Bipolar Outputs for Active Matrix OLED Mobile Display Panels. - Chang-Seok Chae; Hanh-Phuc Le; Kwang-Chan Lee; Gyu-Ha Cho; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2009)

A Piecewise Linear 10 Bit DAC Architecture With Drain Current Modulation for Compact LCD Driver ICs. - Yong-Joon Jeon; Hyung-Min Lee; Sungwoo Lee; Gyu-Hyeong Cho; Hyoung-Rae Kim; Yoon-Kyung Choi; Myunghee Lee (IEEE J. Solid State Circuits, 2009)

Improved Transient Current Feedforward Output Buffer for Fast and Compact Active-Matrix OLED Column Drivers. - Yong-Joon Jeon; Young-Suk Son; Jinyong Jeon; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

A Synchronous Multioutput Step-Up/Down DC-DC Converter With Return Current Control. - Kyoung-Sik Seol; Young-Jin Woo; Gyu-Hyeong Cho; Gyu-Ha Cho; Jae-Woo Lee (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

One-Chip Class-E Inverter Controller for Driving a Magnetron. - Young-Jin Woo; Min-Chul Lee; Kwang-Chan Lee; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2009)

Dynamic push-pull operational amplifier for AMLCD common voltage driver using minimum current limiting circuit. - Seungchul Jung; Young-Jin Woo; Tae-Kyu Nam; Jinyong Jeon; Gyu-Ha Cho; Gyu-Hyeong Cho (CICC, 2010)

A 10 bit piecewise linear cascade interpolation dac with loop gain ratio control. - Sungwoo Lee; Kiduk Kim; Kyusung Park; Changbyung Park; Byunghun Lee; Jinyong Jeon; Seungchul Jung; Jin Huh; Junhyeok Yang; Hyunsik Kim; Gyu-Hyeong Cho (CICC, 2010)

A novel readout IC with high noise immunity for charge-based touch screen panels. - Junhyeok Yang; Seungchul Jung; Young-Jin Woo; Jinyong Jeon; Sungwoo Lee; Changbyung Park; Hyunsik Kim; Seung-Tak Ryu; Gyu-Hyeong Cho (CICC, 2010)

Efficiency enhanced Single-Inductor Boost-Inverting Flyback converter with Dual Hybrid Energy transfer media and a Bifurcation Free Comparator. - Se-Won Wang; Young-Jin Woo; Young-Sub Yuk; Byunghun Lee; Gyu-Hyeong Cho; Gyu-Ha Cho (ESSCIRC, 2010)

A 105dB-gain 500MHz-bandwidth 0.1Ω-output-impedance amplifier for an amplitude modulator in 65nm CMOS. - Chul Kim; Chang-Seok Chae; Young-sub Yuk; Yi-Gyeong Kim; Jong-Kee Kwon; Gyu-Hyeong Cho (ISSCC, 2010)

A PLL-based high-stability single-inductor 6-channel output DC-DC buck converter. - Kwang-Chan Lee; Chang-Seok Chae; Gyu-Ha Cho; Gyu-Hyeong Cho (ISSCC, 2010)

A High-Speed Current-Mode Data Driver With Push-Pull Transient Current Feedforward for Full-HD AMOLED Displays. - Yong-Joon Jeon; Jinyong Jeon; Young-Suk Son; Jin Huh; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2010)

A High-Performance Fast Switching Charge Dump Assisted Class-Kast Audio Amplifier. - Kwang-Chan Lee; Chang-Seok Chae; Jinyong Jeon; Kang-Ho Lee; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

Transient Charge Feedforward Driver for High-Speed Current-Mode Data Driving in Active-Matrix OLED Displays. - Young-Suk Son; Yong-Joon Jeon; Jinyong Jeon; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

Design method for area-efficient and uniform channel DACs. - Yong-Joon Jeon; Jinyong Jeon; Sungwoo Lee; Gyu-Hyeong Cho (IEEE Trans. Consumer Electron., 2010)

A high stability DC-DC Boost Converter with Ripple Current Control and capacitor-free LDOs for AMOLED display. - Se-Won Wang; Young-Jin Woo; Sung-Ho Bae; Tae-Hwang Kong; Gyu-Ha Cho; Gyu-Hyeong Cho (A-SSCC, 2011)

A fully integrated wide-band PID controller with capacitor-less compensation for step-down DC-DC converter. - Hyun-Hee Park; Young-Jin Woo; Gyu-Hyeong Cho (ISCAS, 2011)

A 0.014mm2 9b switched-current DAC for AMOLED mobile display drivers. - Hyunsik Kim; Jinyong Jeon; Sungwoo Lee; Junhyeok Yang; Seung-Tak Ryu; Gyu-Hyeong Cho (ISSCC, 2011)

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)

Robust and efficient synchronous buck converter with near-optimal dead-time control. - Sungwoo Lee; Seungchul Jung; Jin Huh; Changbyung Park; Chun-Taek Rim; Gyu-Hyeong Cho (ISSCC, 2011)

A Compact-Sized 9-Bit Switched-Current DAC for AMOLED Mobile Display Drivers. - Hyunsik Kim; Jinyong Jeon; Sungwoo Lee; Junhyeok Yang; Seung-Tak Ryu; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 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)

Emulated multi-path PID compensator for buck converters with large step-down ratio. - Se-Won Wang; Young-Jin Woo; Gyu-Ha Cho; Gyu-Hyeong Cho (ESSCIRC, 2012)

A CMOS LDO regulator with high PSR using Gain Boost-Up and Differential Feed Forward Noise Cancellation in 65nm process. - Young-sub Yuk; Seungchul Jung; Byunghun Lee; Se-Won Wang; Chul Kim; Gyu-Hyeong Cho (ESSCIRC, 2012)

Session 16 overview: Switching power control techniques: Analog subcommittee. - Baher Haroun; Gyu-Hyeong Cho (ISSCC, 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)

A sampling-based 128×128 direct photon-counting X-ray image sensor with 3 energy bins and spatial resolution of 60μm/pixel. - Hyunsik Kim; Sang-Wook Han; Junhyeok Yang; Sung-il Kim; Young Kim; Sangwook Kim; Dae-Kun Yoon; Jun Su Lee; Jae-Chul Park; Younghun Sung; Seong-Deok Lee; Seung-Tak Ryu; et al. (ISSCC, 2012)

CMOS capacitive biosensor with enhanced sensitivity for label-free DNA detection. - Kang-Ho Lee; Sukhwan Choi; Jeong Oen Lee; Jun-Bo Yoon; Gyu-Hyeong Cho (ISSCC, 2012)

A CMOS impedance cytometer for 3D flowing single-cell real-time analysis with ΔΣ error correction. - Kang-Ho Lee; Jeonghun Nam; Sukhwan Choi; Hyunjung Lim; Sehyun Shin; Gyu-Hyeong Cho (ISSCC, 2012)

A high-stability emulated absolute current hysteretic control single-inductor 5-output switching DC-DC converter with energy sharing and balancing. - Se-Won Wang; Gyu-Ha Cho; 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)

A 40 mV Transformer-Reuse Self-Startup Boost Converter With MPPT Control for Thermoelectric Energy Harvesting. - Jong-Pil Im; Se-Won Wang; Seung-Tak Ryu; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2012)

A Direct Fast Feedback Current Driver Using an Inverting Amplifier for High-Quality AMOLED Displays. - Jinyong Jeon; Yong-Joon Jeon; Young-Suk Son; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2012)

A Double Zeros Compensated Direct Fast Feedback Current Driver for Medium to Large AMOLED Displays. - Jinyong Jeon; Yong-Joon Jeon; Young-Suk Son; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)

A resonant regulating rectifier (3R) operating at 6.78 MHz for a 6W wireless charger with 86% efficiency. - Jun-Han Choi; Sung-Ku Yeo; Chang-Byong Park; Seho Park; Jeong Seok Lee; Gyu-Hyeong Cho (ISSCC, 2013)

A 5.6mV inter-channel DVO 10b column-driver IC with mismatch-free switched-capacitor interpolation for mobile active-matrix LCDs. - Hyunsik Kim; Junhyeok Yang; Sang-Hui Park; Seung-Tak Ryu; Gyu-Hyeong Cho (ISSCC, 2013)

A highly noise-immune touch controller using Filtered-Delta-Integration and a charge-interpolation technique for 10.1-inch capacitive touch-screen panels. - Junhyeok Yang; Sang-Hui Park; Jung-Min Choi; Hyunsik Kim; Changbyung Park; Seung-Tak Ryu; Gyu-Hyeong Cho (ISSCC, 2013)

Resonant Regulating Rectifiers (3R) Operating for 6.78 MHz Resonant Wireless Power Transfer (RWPT). - Jun-Han Choi; Sung-Ku Yeo; Seho Park; Jeong-Seok Lee; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2013)

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)

An Asynchronous Sampling-Based 128x128 Direct Photon-Counting X-Ray Image Detector with Multi-Energy Discrimination and High Spatial Resolution. - Hyunsik Kim; Sang-Wook Han; Junhyeok Yang; Sung-il Kim; Young Kim; Sangwook Kim; Dae-Kun Yoon; Jun Su Lee; Jae-Chul Park; Younghun Sung; Seong-Deok Lee; Seung-Tak Ryu; et al. (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)

Accurate Dead-Time Control for Synchronous Buck Converter With Fast Error Sensing Circuits. - Sungwoo Lee; Seungchul Jung; Changbyung Park; Chun-Taek Rim; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

A Noise-Immune High-Speed Readout Circuit for In-Cell Touch Screen Panels. - Junhyeok Yang; Seungchul Jung; Young-Suk Son; Seung-Tak Ryu; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

An 83% peak efficiency and 1.07W/mm2 power density Single Inductor 4-Output DC-DC converter with Bang-Bang Zeroth-Order Control. - Dong-Chul Park; Tae-Hwang Kong; Sukhwan Choi; Gyu-Hyeong Cho (A-SSCC, 2014)

A tri-stack buck converter with gate coupling control (GCC) and quasi adaptive dead time control (QADTC). - Jun-Han Choi; Sang-Hui Park; Gyu-Hyeong Cho (CICC, 2014)

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)

Low drain voltage S/H type PWM LED current driver for BLU in mobile LCD. - Changbyung Park; Tae-Hwang Kong; Gyu-Hyeong Cho (CICC, 2014)

17.3 A 0.9V 6.3μW multistage amplifier driving 500pF capacitive load with 1.34MHz GBW. - Wanyuan Qu; Jong-Pil Im; Hyun-Sik Kim; Gyu-Hyeong Cho (ISSCC, 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 10-Bit Column-Driver IC With Parasitic-Insensitive Iterative Charge-Sharing Based Capacitor-String Interpolation for Mobile Active-Matrix LCDs. - Hyunsik Kim; Junhyeok Yang; Sang-Hui Park; Seung-Tak Ryu; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 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)

Auto-Scaling Overdrive Method Using Adaptive Charge Amplification for PRAM Write Performance Enhancement. - Sukhwan Choi; Hyunsik Kim; Seungchul Jung; Si-Duk Sung; Young-sub Yuk; Hyuck-Sang Yim; Yoonjae Shin; Junho Cheon; Changyong Ahn; Taekseung Kim; Yongki Brave Kim; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

A dc-dc Converter for a Fully Integrated PID Compensator With a Single Capacitor. - Hyun-Hee Park; Gyu-Hyeong Cho (IEEE Trans. Circuits Syst. II Express Briefs, 2014)

Transformer Coupled Recycle Snubber for High-Efficiency Offline Isolated LED Driver With On-Chip Primary-Side Power Regulation. - Seungchul Jung; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2014)

PSR Enhancement Through Super Gain Boosting and Differential Feed-Forward Noise Cancellation in a 65-nm CMOS LDO Regulator. - Young-sub Yuk; Seungchul Jung; Chul Kim; Hui-Dong Gwon; Sukhwan Choi; Gyu-Hyeong Cho (IEEE Trans. Very Large Scale Integr. Syst., 2014)

12.5 An error-based controlled single-inductor 10-output DC-DC buck converter with high efficiency at light load using adaptive pulse modulation. - Min-Yong Jung; Sang-Hui Park; Jun-Suk Bang; Dong-Chul Park; Se-un Shin; Gyu-Hyeong Cho (ISSCC, 2015)

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)

6.8 A pen-pressure-sensitive capacitive touch system using electrically coupled resonance pen. - Changbyung Park; Sungsoo Park; Kiduk Kim; Sang-Hui Park; Juwan Park; Yunhee Huh; Byunghoon Kang; Gyu-Hyeong Cho (ISSCC, 2015)

Hybrid driver IC for real-time TFT non-uniformity compensation of ultra high-definition AMOLED display. - Jun-Suk Bang; Hyunsik Kim; Sang-Hui Park; Kiduk Kim; Sung-Won Choi; Ohjo Kwon; Choongsun Shin; Joohyung Lee; Gyu-Hyeong Cho (VLSIC, 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)

An Error-Based Controlled Single-Inductor 10-Output DC-DC Buck Converter With High Efficiency Under Light Load Using Adaptive Pulse Modulation. - Min-Yong Jung; Sang-Hui Park; Jun-Suk Bang; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2015)

11.7 A load-aware pre-emphasis column driver with 27% settling-time reduction in ±18% panel-load RC delay variation for 240Hz UHD flat-panel displays. - Jun-Suk Bang; Hyunsik Kim; Kye-Seok Yoon; Sang-Han Lee; Se-Hong Park; Ohjo Kwon; Choongsun Shin; Seonki Kim; Gyu-Hyeong Cho (ISSCC, 2016)

8.3 A 200mA digital low-drop-out regulator with coarse-fine dual loop in mobile application processors. - Yong-Jin Lee; Min-Yong Jung; Shashank Singh 006; Tae-Hwang Kong; Dae-Yong Kim; Kwang-Ho Kim; Sang-Ho Kim; Jae-Jin Park; Ho-Jin Park; Gyu-Hyeong Cho (ISSCC, 2016)

A reconfigurable SIMO system with 10-output dual-bus DC-DC converter using the load balancing function in group allocator for diversified load condition. - Se-un Shin; Min-Yong Jung; Kiduk Kim; Sang-Hui Park; Yeunhee Huh; Changsik Shin; Se-Hong Park; Jun-Suk Bang; Jong-Beom Baek; Sung-Won Choi; Yong-Min Ju; Gyu-Hyeong Cho (VLSI Circuits, 2016)

A Hybrid AMOLED Driver IC for Real-Time TFT Nonuniformity Compensation. - Jun-Suk Bang; Hyunsik Kim; Kiduk Kim; Ohjo Kwon; Choongsun Shin; Joohyung Lee; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2016)

A Pen-Pressure-Sensitive Capacitive Touch System Using Electrically Coupled Resonance Pen. - Changbyung Park; Sungsoo Park; Kiduk Kim; Sang-Hui Park; Juwan Park; Byunghoon Kang; Yunhee Huh; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2016)

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 5mW batteryless start-up boost charger for wireless power transfer. - Seok-Tae Koh; Se-un Shin; Yu-Jin Yang; Minseong Choi; Seungchul Jung; Gyu-Hyeong Cho (ISCAS, 2017)

10.4 A hybrid inductor-based flying-capacitor-assisted step-up/step-down DC-DC converter with 96.56% efficiency. - Yong-Min Ju; Se-un Shin; Yeunhee Huh; Sang-Hui Park; Jun-Suk Bang; Kiduk Kim; Sung-Won Choi; Ji-Hun Lee; Gyu-Hyeong Cho (ISSCC, 2017)

5.2 An 8Ω 10W 91%-power-efficiency 0.0023%-THD+N multi-level Class-D audio amplifier with folded PWM. - Ji-Hun Lee; Jun-Suk Bang; Kiduk Kim; Hui-Dong Gwon; Sang-Hui Park; Yeunhee Huh; Kye-Seok Yoon; Jong-Beom Baek; Yong-Min Ju; Gibbeum Lee; Homin Park; Hyeon-Min Bae; et al. (ISSCC, 2017)

A 200-mA Digital Low Drop-Out Regulator With Coarse-Fine Dual Loop in Mobile Application Processor. - Yong-Jin Lee; Wanyuan Qu; Shashank Singh 006; Dae-Yong Kim; Kwang-Ho Kim; Sang-Ho Kim; Jae-Jin Park; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2017)

A 0.26-nJ/node, 400-kHz Tx Driving, Filtered Fully Differential Readout IC With Parasitic RC Time Delay Reduction Technique for 65-in 169×97 Capacitive-Type Touch Screen Panel. - Sang-Hui Park; Hyunsik Kim; Jun-Suk Bang; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2017)

Design-Oriented Analysis for Miller Compensation and Its Application to Multistage Amplifier Design. - Wanyuan Qu; Shashank Singh 006; Yong-Jin Lee; Young-Suk Son; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2017)

A reconfigurable SIMO system with 10-output dual-bus DC-DC converter using the load balancing function in group allocator for diversified load condition. - Se-un Shin; Sang-Hui Park; Gyu-Hyeong Cho (ASP-DAC, 2018)

Switched inductor capacitor buck converter with >85% power efficiency in 100uA-to-300mA loads using a bang-bang zero-current detector. - Jong-Beom Baek; Ji-Hun Lee; Se-Un Shin; Min-Yong Jung; Gyu-Hyeong Cho (CICC, 2018)

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 13.56MHz time-interleaved resonant-voltage-mode wireless-power receiver with isolated resonator and quasi-resonant boost converter for implantable systems. - Se-un Shin; Minseong Choi; Seok-Tae Koh; Yu-Jin Yang; Seungchul Jung; Young-Hoon Sohn; Se-Hong Park; Yong-Min Ju; Youngsin Jo; Yeunhee Huh; Sung-Won Choi; Sang Joon Kim; et al. (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)

6.5µW 92.3DB-DR Biopotential-Recording Front-End with 360MVPP Linear Input Range. - Jun-Suk Bang; Hyuntak Jeon; Minkyu Je; Gyu-Hyeong Cho (VLSI Circuits, 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)

A 500-MHz Bandwidth 7.5-mVpp Ripple Power-Amplifier Supply Modulator for RF Polar Transmitters. - Chul Kim; Chang-Seok Chae; Young-Sub Yuk; Chris M. Thomas; Yi-Gyeong Kim; Jong-Kee Kwon; Sohmyung Ha; Gert Cauwenberghs; 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)

High-Resolution Synthesized Magnetic Field Focusing for RF Barcode Applications. - Min-Woo Kim; Ji H. Kim; Yeonje Cho; Minsik Kim 004; Bo H. Choi; Kwyro Lee; Joungho Kim; Gyu-Hyeong Cho; Chun T. Rim (IEEE Trans. Ind. Electron., 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)

An Area and Power Efficient Interpolation Scheme Using Variable Current Control for 10-Bit Data Drivers in Mobile Active-Matrix LCDs. - Hyung-Min Lee; Yong-Joon Jeon; Sungwoo Lee; Byunghun Lee; Gyu-Hyeong Cho (IEEE Trans. Consumer Electron., 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)

11.8 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)

A Time-Interleaved Resonant Voltage Mode Wireless Power Receiver With Delay-Based Tracking Loops for Implantable Medical Devices. - Se-Un Shin; Minseong Choi; Seungchul Jung; Hyung-Min Lee; Gyu-Hyeong Cho (IEEE J. Solid State Circuits, 2020)

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 130V Triboelectric Energy-Harvesting Interface in .18µm BCD with Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Technique. - Jiho Lee; Sang-Han Lee; Gyeong-Gu Kang; Jae-Hyun Kim; Gyu-Hyeong Cho; Hyun-Sik Kim (ISSCC, 2022)

A 5.6W-Power 96.6%-Efficiency Boost-Oriented SIDO Step-Up/Down DC-DC Converter Embedding Buck Conversion with an Energy-Balancing Capacitor. - Gyeong-Gu Kang; Ji-Hun Lee; Se-Un Shin; Gyu-Hyeong Cho; Hyun-Sik Kim (VLSI Technology and Circuits, 2022)

A Triboelectric Energy-Harvesting Interface With Scalable Multi-Chip-Stacked Bias-Flip and Daisy-Chained Synchronous Signaling Techniques. - Jiho Lee; Sang-Han Lee; Gyeong-Gu Kang; Jae-Hyun Kim; Gyu-Hyeong Cho; Hyun-Sik Kim (IEEE J. Solid State Circuits, 2022)

A 80x60 Microbolometer CMOS Thermal Imager Integrated With a Low-Noise 12-B DAC. - Ki-Duk Kim; Seunghyun Park; Byunghun Lee; Hyung-Min Lee; Gyu-Hyeong Cho (IEEE Trans. Ind. Electron., 2022)

A Floating Voltage Source-Based Turn-Off Snubber for a Non-Isolated Multilevel SiC DC-DC Converter. - Jae-Hyun Kim; Se-Hong Park; Jiho Lee; Jeong-Hyun Cho; Gyu-Hyeong Cho; Hyun-Sik Kim (IEEE Trans. Ind. Electron., 2025)