Electricity: power supply or regulation systems – External or operator controlled – Using a three or more terminal semiconductive device as the...
Patent
1997-02-24
1997-12-16
Krishnan, Aditya
Electricity: power supply or regulation systems
External or operator controlled
Using a three or more terminal semiconductive device as the...
H02J 104
Patent
active
056989725
ABSTRACT:
A power regulation circuit features an improved regulation circuit for use with a voltage multiplier circuit, such as a Vccp pump for a DRAM. The power regulation circuit includes: a high-gain differential comparator, dual input level translators, and a constant current bias generator. The dual input level translators lower the respective voltage levels of a reference voltage level and the output of the power regulation circuit, which is monitored to provide the desired regulation. The translated input signals are coupled as inputs to the differential comparator. Translation keeps the inputs within the input common mode range of the differential comparator. The differential comparator acts in concert with the constant current bias generator to regulate the output of the power regulation circuit at a constant and steady level. Using current mirrors, the constant current bias generator provides a fixed voltage for ensuring that approximately the same amount of current passes through each of the dual level translators. Feedback is provided from the output of the regulation circuit to the differential comparator to provide the desired level of hysterisis control.
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Krishnan Aditya
Micro)n Technology, Inc.
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