Reference Voltage Generator and Corresponding Integrated Circuit
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Dec 4, 2013
filing date -
Dec 5, 2012
priority date (Note) -
Abandoned
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Abstract
The present invention provides a reference voltage generator and a corresponding integrated circuit. The reference voltage generator comprises: a current mirror connected between an input voltage and ground and comprising a source current branch and a mirror current branch; a resistive element connected in series in the source current branch; and a voltage stabilizing element connected in series in the mirror current branch, wherein the mirror current generated in the mirror current branch is operable to meet working current requirements of the voltage stabilizing element, and one terminal of the voltage stabilizing element serves as a reference voltage output terminal Regarding application of an input voltage having a larger change scope, embodiments of the present invention provide a current having a smaller change scope and a lower power consumption so as to facilitate operation of high-voltage and low-power consumption integrated circuit, and particularly exhibit advantages in applications requiring a smaller current during a standby period.
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