High-PSR-Bandwidth Capacitor-Free LDO Regulator with 50μA Minimized Load Current Requirement for Ach
(a) (b) Fig. 3. Topology of capacitor-free LDO regulator with MQ and AZC technique. (a) Structure of the proposed circuit. (b) Small-signal of the proposed circuit. 2.1 Ultra Light Load Current (i.e. the transconductance of the last stage is smaller than ...