Non-volatile power supply having energy efficient DC/DC voltage converters with a small storage capacitor
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United States of America Patent
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Nov 25, 1997
Grant Date -
N/A
app pub date -
Jul 13, 1995
filing date -
Jul 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A step-up DC/DC voltage convertor is coupled to a step-down DC/DC voltage convertor via a capacitor, which stores energy and maintains power flow to an output load circuit during a brief interruption of power supplied to the input of the step-up convertor. A diode connected to the capacitor prevents energy stored within the capacitor to be fed back to the step-up voltage convertor during the power interruption.
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