Low-consumption regulator for a charge pump voltage...

Details Low-consumption regulator for a charge pump voltage... Low-consumption regulator for a charge pump voltage...

2008-07-22

2008-07-22

Nguyen, Matthew V (Department: 2838)

Electric power conversion systems

Current conversion

With voltage multiplication means

Reexamination Certificate

active

07403405

ABSTRACT:
A regulator circuit for a charge pump voltage generator includes a voltage comparator circuit that performs a voltage comparison between a charge pump output voltage and a reference voltage. A circuit responsive to the voltage comparator circuit conditions a charge pump clocking to the result of the voltage comparison. The voltage comparator circuit includes a sampling circuit for sampling the charge pump output voltage at a sampling rate. A sampling rate control circuit is responsive to the voltage comparisons for controlling the sampling rate according to the result of the voltage comparison.

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