Ik-Hwan Kim

11.7 A Voltage-Tolerant Three-Level Buck-Boost DC-DC Converter with Continuous Transfer Current and Flying Capacitor Soft Charger Achieving 96.8% Power Efficiency and 0.87µs/V DVS Rate

Jongbeom Baek, Takahiro Nomiyama, Seung‐Chan Park et al. · 2020 · 56 citations

Engineering, Electrical Engineering, Circuit Theory +15

15.1 An 88%-Efficiency Supply Modulator Achieving 1.08μs/V Fast Transition and 100MHz Envelope-Tracking Bandwidth for 5G New Radio RF Power Amplifier

Ji-Seon Paek, Dongsu Kim, Jun‐Suk Bang et al. · 2019 · 37 citations

Engineering, Electrical Engineering, Low-power Design +16

2-Tx Digital Envelope-Tracking Supply Modulator Achieving 200MHz Channel Bandwidth and 93.6% Efficiency for 2G/3G/LTE/NR RF Power Amplifiers

Jun‐Suk Bang, Dongsu Kim, Jeongkwang Lee et al. · 2022 IEEE International Solid- State Circuits Conference (ISSCC) · 2022 · 23 citations

Engineering, Computer Engineering, Electrical Engineering +17

33.9 A Hybrid Switching Supply Modulator Achieving 130MHz Envelope-Tracking Bandwidth and 10W Output Power for 2G/3G/LTE/NR RF Power Amplifiers

Dongsu Kim, Jun‐Suk Bang, Jongbeom Baek et al. · 2021 · 21 citations

Engineering, Electrical Engineering, Microelectronics +16

Efficient RF-PA Two-Chip Supply Modulator Architecture for 4G LTE and 5G NR Dual-Connectivity RF Front End

Ji-Seon Paek, Dongsu Kim, Jaeyeol Han et al. · IEEE Journal of Solid-State Circuits · 2022 · 15 citations

Engineering, Electrical Engineering, Analog Electronics +16