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Fast‐transient capacitor‐less low‐dropout regulator with assistant push‐pull output stage using bootstrap technique
Author(s) -
Kim Youngil,
Lee Sangsun
Publication year - 2014
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2014.2464
Subject(s) - low dropout regulator , capacitor , transient (computer programming) , dropout (neural networks) , dropout voltage , cmos , voltage , transient analysis , transient response , regulator , control theory (sociology) , decoupling capacitor , voltage regulator , electronic engineering , computer science , engineering , electrical engineering , biochemistry , chemistry , control (management) , machine learning , artificial intelligence , gene , operating system
An output‐capacitor‐less low‐dropout regulator (LDR) with an assistant push‐pull output stage using a bootstrap technique is proposed. By utilising such a technique, the proposed LDR is able to achieve a fast‐transient response. The proposed LDR was implemented in a standard 0.35 μm CMOS process. Measurement results show that the undershoot of the output voltage is 375 mV at the condition of the load current switching from 1 to 200 mA at a rise time of 500 ns.

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