A 3-20 V High-Voltage LDO With User-Defined 1.25-19.6 V Output and 1.5-A Load Capability. - Jeonghun Kim; Seong-Jun Youn; Gyujin Choi; Donghwi Kang; Ikjoon-Choi; Ji-Seon Paek (IEEE Access, 2026)