Switching power supply circuitry
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United States of America Patent
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May 10, 2011
Grant Date -
Nov 4, 2010
app pub date -
May 5, 2010
filing date -
Mar 8, 2006
priority date (Note) -
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Abstract
of a step-up converter. It is thus possible to eliminate the need for a conventional self-bias method, eliminate switching from startup oscillation to main oscillation of the conventional self-bias method upon startup, and overcome problems caused by the switching of oscillation states, thereby achieving switching power supply circuitry starting in a reliable and stable manner.
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