A Fast Transient Response, High Stability Low Dropout Linear Regulator
A low-dropout linear and transient response technology, applied in the direction of instruments, electric variable adjustment, control/regulation systems, etc., can solve problems such as adverse effects on stability and affecting the normal operation of subsequent circuit modules, so as to improve load transient response, Fast transient response capability, anti-oscillation effect
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] The low-dropout linear voltage regulator with fast transient response and high stability described in the present invention, its detailed technical scheme is as follows figure 2 As shown, it includes power adjustment tube MP, error amplifier circuit, ESR resistor, transient response improvement circuit and compensation network circuit. The error amplifier circuit includes a main operational amplifier circuit and a buffer drive circuit, the non-inverting input terminal of the main operational amplifier circuit is connected to the bandgap reference reference voltage Vref, and the inverting input terminal is connected to the output terminal of the low dropout linear regulator, The input end of the buffer drive circuit is connected to the output end of the main op-amp circuit, and the output end of the buffer drive circuit is connected to t...
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