Patent ID: 6037759
Filing Date: 2000-03-14
Classification: G05F

Abstract:
A voltage regulator capable of improving system response, comprising:a feedback circuit whose input terminal is coupled to an output voltage terminal for attenuating the output signal; andan operational amplifier, including:a pre-amplifier whose input terminals are coupled to the output terminal of the feedback circuit and an input voltage terminal, respectively, wherein the pre-amplifier is a device for amplifying the differential voltage between the feedback output voltage signal and the input voltage signal;a clamping circuit whose input terminal is coupled to the output terminal of the pre-amplifier, wherein the clamping circuit is a device for clamping differential voltage signals between a pre-defined voltage range; anda power amplifier whose input terminal is coupled to the output terminal of the clamping circuit while the output terminal is coupled to both the input terminal of the feedback circuit and the output voltage terminal, wherein the power amplifier is a device for increasing the power output of differential voltage signals.