Rectifier with alternative path for freewheeling current
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United States of America Patent
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Aug 3, 1999
Grant Date -
N/A
app pub date -
Jun 2, 1998
filing date -
Jun 2, 1998
priority date (Note) -
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Abstract
A rectification circuit comprises a diode full-wave bridge rectifier, a freewheeling current path and a blocking diode coupled between the rectifier and the freewheeling current path to cause freewheeling current of the bridge rectifier to at least partially flow through the freewheeling current path instead of through the diodes of the bridge rectifier. A result is reduced 'reverse recovery' power dissipation in the rectifier diodes.
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