Adaptively-biased capacitor-less CMOS low dropout regulator with direct current feedback

Yat-Hei Lam, Wing-Hung Ki, Chi-Ying Tsui
Asia and South Pacific Conference on Design Automation, 2006.  
A capacitor-less low dropout regulator (LDR) with direct current feedback is proposed. A symmetrically-matched voltage mirror in sensing the load current is employed, and gives excellent line and load regulations. The dynamic biasing results in an LDR with pole-tracking that extends the bandwidth of the loop gain at high load currents. The LDR was fabricated in a 0.35µm CMOS process with an active area of 0.11mm 2 , and measurement results corroborated well with both analysis and simulation.
doi:10.1109/aspdac.2006.1594658 dblp:conf/aspdac/LamKT06 fatcat:amqovkdqonbkbhzm6qhrpy2rvm