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Title: Single transistor-control low-dropout regulator
Authors: Chan, Mansun
Man, Tsz Yin
Leung, Chi Yat
Leung, Ka Nang
Mok, Philip
Keywords: Linear regulator
Fast linear regulator
Transient linear regulator
Stable linear regulator
Low-dropout regulator
Fast low-dropout regulator
Transient low dropout regulator
Stable low-dropout regulator
Issue Date: 10-May-2011
Citation: US RE42,335 E, 2011
Abstract: A low-dropout regulator with a single-transistor-control providing improved transient response and stability is disclosed. The single-transistor-control provides a dynamic resistance at the output of the regulator for minimizing undershoot and overshoot, and hence improves transient response. Since the single-control transistor reduces the output resistance of the regulator, the output pole is pushed to a sufficiently high frequency without affecting stability. Therefore, the limited choice of combinations of the output capacitance and its equivalent-series-resistance is substantially relaxed.
Rights: This patent is also available at HKUST Technology Transfer Center Patent Search at <>
Appears in Collections:ECE Patents

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