Power supply controller
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United States of America Patent
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Mar 24, 2009
Grant Date -
Jul 26, 2007
app pub date -
Jan 24, 2007
filing date -
Jan 25, 2006
priority date (Note) -
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Abstract
A power supply controller including a MOSFET between a power source and a load, a ground terminal, a gate driving circuit structured to control a gate potential of the MOSFET to turn on power and control the gate potential of the MOSFET to turn off power based on a ground terminal potential, and a turn-off circuit structured to switch the MOSFET into a turn-off state regardless of control by the gate driving circuit when the ground terminal potential is at a higher value than a source potential of the MOSFET.
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