Process for operating a switching power supply
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United States of America Patent
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Dec 18, 2007
Grant Date -
Nov 16, 2006
app pub date -
May 15, 2006
filing date -
May 16, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is provided a process for operating a switch mode power supply circuit (Switcher) connectable to a load, the circuit having a first buck switch, a second boost switch and an inductor in a buck boost circuit, the process including applying input voltage to the circuit, selectively activating each of the buck switch and boost switch, and selectively limiting the ON-time of the buck switch, for accelerating discharge of the inductor.
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