High-Gain Wide-Bandwidth Capacitor-Less Low-Dropout Regulator (LDO) for Mobile Applications Utilizing Frequency Response of Multiple Feedback Loops

This paper presents a novel capacitor-less low-dropout regulator (LDO) for mobile applications. The proposed capacitor-less LDO utilizes multiple feedback loops to satisfy several design challenges for some mobile applications which were not considered in the previous capacitor-less LDOs. The proposed LDO has a wide bandwidth of 3.03 MHz at a load current of 150 mA with a bias current of 40 mu A, and the best line and load regulations of 0.0024%/V and 0.0000417%/mA, respectively, which are improvements over previously reported LDOs. This chip has a 100 mV dropout voltage with a 150 mA maximum load current. A total capacitance of 29 pF was used with a chip size of 0.279 mm(2).
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2016-01
Language
ENG
Article Type
Article
Keywords

CMOS

Citation

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, v.63, no.1, pp.46 - 57

ISSN
1549-8328
DOI
10.1109/TCSI.2015.2512702
URI
http://hdl.handle.net/10203/208502
Appears in Collection
EE-Journal Papers(저널논문)
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