POWER SUPPLY CIRCUIT AND POLARITY REVERSAL PROTECTION CIRCUIT
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
May 7, 2012
filing date -
May 30, 2011
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Abandoned
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Abstract
A power supply circuit for a voltage step-up circuit comprises a diode and a first controllable semiconductor, wherein the diode is connected in series to the first controllable semiconductor in a main current direction of the first controllable semiconductor. The diode electrically connects an output of the first controllable semiconductor to an output of the power supply circuit. A polarity reversal protection circuit for an electric load comprises an output stage, a voltage step-up circuit and a power supply circuit according to the invention.
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