Combined charge storage circuit and bandgap reference circuit
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United States of America Patent
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Issued Date -
Jul 17, 2008
app pub date -
Jan 16, 2007
filing date -
Jan 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A combined charge storage and bandgap reference is disclosed. In one embodiment, a system comprises a bandgap reference circuit; a charge storage circuit, wherein an output of the bandgap reference circuit is provided as an input to the charge storage circuit; and a control circuit in communication with the bandgap reference circuit and the charge storage circuit. The control circuit is operative to control charging of the charge storage circuit by the output of the bandgap reference circuit and control selection of one of the output of the bandgap reference circuit and an output of the charge storage circuit. Other embodiments are disclosed, and each of the embodiments can be used alone or together in combination.
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