Voltage buffer circuit for linear potentiostat
A technology of linear voltage regulator and voltage buffering, which is applied in the direction of instruments, adjusting electric variables, control/regulation systems, etc., can solve the problems of occupation, large chip area, etc., and reduce the influence of transient response and noise suppression ability, The effect of saving chip area, reducing cost and difficulty of use
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[0059] The dynamic bias voltage buffer circuit for linear voltage regulator of the present invention can dynamically adjust the bias current of the voltage buffer circuit by monitoring the output current of the regulator tube, thereby changing the output resistance of the voltage buffer circuit, so that the pole of the output terminal of the voltage buffer circuit The change follows the change of the pole at the output terminal of the voltage regulator circuit to ensure the stability of the system. In the specific implementation of the dynamic bias voltage buffer circuit, through the design of the specific device size, the dynamic bias current of the voltage buffer circuit is guaranteed, and a very small "copy" or "mirror image" of the voltage regulator tube current is adjusted. ". In this way, when the linear regulator works in the no-load or light-load state, the bias current of the voltage buffer circuit is still at a static value, so the static power consumption of the lin...
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