Phase-shift power supply
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United States of America Patent
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-
Jun 8, 1999
Grant Date -
N/A
app pub date -
Nov 7, 1997
filing date -
Nov 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Power supply apparatus according to the present invention may comprise a direct current source and a phase-shift converter circuit connected to the direct current source. A rectifier is connected to the output of the phase-shift converter circuit and rectifies a modulated output signal produced by the phase-shift converter circuit. An average current sensor connected to the rectifier senses the time average current in the rectifier and produces an average current feedback signal. A control device connected to the average current sensor and to the phase-shift converter circuit is responsive to the average current feedback signal and operates the phase-shift converter circuit in accordance with the average current feedback signal.
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