News

   [2024 Oct] "Congratulation" Chan-Ho Lee has been accepted in IEEE Transactions on Circuits and Systems II (TCAS-II). The title of the papr: A 12V Input 0.3V-to-0.6V Output Imbalanced Inductor-Currents Converter that Achieves a Peak Efficiency of 90.7%

   [2024 Oct] "Congratulation" Jeong-Hun Kim has been accepted in IEEE International Solid-state Circuits Conference (ISSCC) 2025 The title of the paper: A 2A Fully Analog Distribution LDO with Noise Immunity for a SoC

   [2024 Oct]  "Congratulation" Young-Jun Jeon has been accepted in IEEE International Solid-state Circuits Conference (ISSCC) 2025 The title of the paper: A Sub-1V, 50mV Dropout LDO using Pseudo-Impedance Buffer with Phase-Margin Improvement Design

   [2024 Sep]  "Congratulation" Ho-Chan Ahn has been accepted at IEEE Transactions on Circuits and Systems I (TCAS-I). The title of paper: A 2 A Dual Loop LDO with Dynamic Negative Feedback Loop and Gm Boosting Error Amplifier for Off-Chip and Cap-less Applications

   [2024 Jul] "Congratulation" Young-Ju Oh has been accepted at IEEE Transactions on Industrial Electronics (TIE). The title of paper: A Robust High On-duty Buck Converter Achieving a Peak Effective On-Duty of 0.976 with EMI Suppression

   [2024 Jun]  "Congratulation" Young-Jun Jeon has been accepted at IEEE Transactions on Power Electronics (TPEL). The title of paper: A 600mA Multi-Feedback Loops Capacitor-less Low-dropout Regulator with a -40dB Power Supply Rejection at 1MHz with 27.5μA Quiescent Current Consumption

   [2023 Nov]  "Congratulation" Chan-Kyu Lee has been accepted at IEEE Transactions on Industrial Electronics (TIE). The title of paper: 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

   [2023 Oct] "Congratulation" Hyeon-Ji Choi has been accepted at IEEE International Solid-State Circuits Conference (ISSCC) 2024. The title of the paper: 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

   [2023 Oct]  "Congratulation" Hyo-Jin Park has been accepted at IEEE International Solid-State Circuits Conference (ISSCC) 2024. The Title of the paper: A 97.18% Peak-Efficiency Asymmetrically Implemented Dual-phase (AID) Converter with a full Voltage-Conversion Ratio (VCR) between 0-and-1

   [2023 Sep] "Congratulation" Hyo-Jin Park has been accepted at IEEE Journal of Solid-State Circuits (JSSC). The title of paper: A Simultaneous Energy Transffering SIBO Converter Achieving Low Ripple and High Efficiency for AMOLED Applications

   [2023 May] "Congratulation" Ho-Chan Ahn has been accepted at IEEE European Solid-State Circuits Conference (ESSCIRC) 2023. The title of paper: 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

   [2023 Apr] "Congratulation" Hyo-Jin Park has been accepted at IEEE Symposium on VLSI Circuits (VLSI) 2023. The title of the paper: 96.48% Peak-Efficiency Continuous-Current Step-Up Battery Charger (CC-SUBC) with Dual Energy-Harvesting Sources for Automotive Application

   [2023 Apr] "Congratulation" Chan-Ho Lee has been accepted at IEEE Symposium on VLSI Circuits (VLSI). The title of the paper: A 1V 20.7uW Four-Stage Amplifier Capable of Driving a 4-to-12nF Capacitive Load with 1.07MHz GBW with an Improved Active Zero

   [2022 Dec] "Congratulation" Hyeon-Ji Choi has been accepted at IEEE Transactions on Industrial Electronics(TIE). The title of the paper: An Ultra-Low Power Soft-Switching Self-Oscillating SIMO Converter for Implantable Stimulation Systems.

   [2022 Mar] "Congratulation" Chan-Ho Lee has been accepted at IEEE Transactions on Power Electronics(TPE). The title of paper: An Input-Independent Loop Type-III Buck Converter with PSRR Improvement and EMI Suppression for Enhancing the Security of Edge Devices

   [2021 Aug] "Congratulation" Hyeon-Ji Choi has been accepted at ASSCC 2021. The title of paper: 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

   [2021 Jun] "Congratulation" Hyo-Jin Park (MS/Ph.D. course, 1st semester) has been accepted at ESSCIRC 2021. The title of paper: A 18 uA Rail-to-Rail Class-AB Operational Amplifier with a High-Slew Miller Compensation (HSMC) Technique with 240% Settling Time Reduction in 0.18 um

   [2021 Jun] "Congratulation" Joo-Mi Cho (MS/Ph.D. course, 1st semester) has been accepted at ESSCIRC 2021. The title of paper: A 100-MHz 81.2% All-Paths Inductor-Connected Buck-Converter with Balanced Conduction-Losses and Continuous Path-Currents

   [2021 Apr] "Congratulation"  Joo-Mi Cho (MS/Ph.D. course, 1st semester) has been accepted (Amplifier) at VLSIC 2021 (One of world top conferences in circuit area).

   [2021 Mar] We moved to Sogang University.

   [2021 Mar] Prof. Hong gave an invited talk at Samsung Advanced Institute of Technology.

   [2021 Mar] Yi-Sun Baik and Hyunji Choi joined our research group.

   [2021 Mar] WPT paper was accepted in IEEE Journals of Solid-State Circuits (JSSC) (JSSC: Top Journal in circuit area).

   [2021 Mar] Prof. Hong presented two papers (WPT, SIBO) at ISSCC2020 (World top conference in circuit area). (Link)

   [2021 Mar] Jieun graduated from our research group.

   [2021 Mar] Wireless power transfer paper was published in IEEE Transactions on Industrial Electronics (TIE) (JCR < 5%).

   [2021 Mar] Prof. Hong was selected as one in four outstanding researchers in Sookmyung Women's Univ.

   [2021 Mar] Capacitor-less LDO paper was accepted in IEEE Transactions on Industrial Electronics (TIE) (JCR < 5%).

   [2021 Mar] DC-DC Converter paper was accepted in IEEE Transactions on Power Electronics (TPE) (JCR < 10%).

   [2021 Mar] Prof. Hong has started serving a technical program committee (TPC) of Symposium on VLSI Circuits (One of the world top conferences in circuit area).

   [2021 Mar] High step-up converter paper was published in IEEE Transactions on Power Electronics (TPE) (JCR < 5%).

   [2021 Mar] Hyojin and Joomi joined our research group.

   [2021 Mar] LED driver paper was published in IEEE Transactions on Power Electronics (TPE) (JCR < 5%).

   [2021 Mar] Energy harvesting paper was published in IEEE Journals of Solid-State Circuits (JSSC) (JSSC: Top Journal in circuit area).

   [2021 Mar] Touch sensor paper was published in IEEE Journals of Solid-State Circuits (JSSC) (JSSC: Top Journal in circuit area).

   [2021 Mar] Envelop modulator paper was published in IEEE Transactions on Power Electronics (TPE) (JCR < 5%).

   [2021 Mar] Jieun Park joined our research group.

   [2021 Mar] Prof. Hong gave an invited talk at Samsung Electronics.