A 1.8-μA quiescent current fast-transient capacitorless LDO with 99.99% current efficiency based on local positive-feedback and high-pass feed-forward compensation technique. - Min Li; Yongqing Wang; Weiwei Yu; Penghao Li; Xiaosong Wang; Yige Geng; Qisheng Zhang (Microelectron. J., 2025)