POWER CONVERTER
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United States of America Patent
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app pub date -
Jan 14, 2008
filing date -
Sep 8, 2004
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Abandoned
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Abstract
A switch-type power converter includes a double FET switch operating in a variable duty cycle mode under the control of a Unitrode 3846 integrated circuit controller. Indications of excess input voltage and reverse battery connections are provided by circuits including an element which permanently changes state. A cooling fan mounted on a finned heat sink is operated in a variable speed mode.
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