Small form factor power supply
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United States of America Patent
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Nov 3, 2009
Grant Date -
Jun 26, 2008
app pub date -
Feb 29, 2008
filing date -
Apr 26, 1994
priority date (Note) -
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Abstract
A small form factor power supply includes a switching transformer, control circuitry and rectifier circuitry, each contained within a housing. The switching transformer has a planar core and windings which surround at least a portion of the planar core. The control circuitry includes at least one surface mounted component, to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency. The rectifier circuitry is coupled to a secondary of the switching transformer to provide a DC voltage. The housing contains the switching transformer, the control circuitry and the rectifier circuitry, wherein a height of the housing is not greater than 0.75 inches.
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