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Single transistor-control low-dropout regulator

Authors Man, Tsz Yin HKUST affiliated (currently or previously)
Leung, Chi Yat HKUST affiliated (currently or previously)
Leung, Alex Ka Nang HKUST affiliated (currently or previously)
Mok, Philip Kwok Tai View this author's profile
Chan, Man Sun View this author's profile
Issue Date 2011
Source US Patent , RE42,335 E, 2011
Summary 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.
Language English
Format Patent
Access View details of TTC.PA.250S via HKUST Technology Transfer Center
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