A 97.1%-Efficient Single-Mode Fine-Multilevel Buck-Boost (SMFL-BB) Converter Achieving Sub-8mV Ripple with a 1mm3-Volume Inductor for Flicker-Free Mobile OLED Displays. - Sueon Park; Jun-Gi Lee; Jae-Hyun Kim; Dong-Kyu Kim; Sung-Chun Park; Yongjae Lee; Hyun-Sik Kim (CICC, 2026)