Non-isolated AC to DC power device having gain stabilization
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United States of America Patent
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Issued Date -
Jan 7, 2016
app pub date -
Sep 17, 2015
filing date -
Jul 25, 2013
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Abstract
An AC to DC power supply is provided based on feed back control of an analog current blocking (ACB) device. The ACB element receives rectified high voltage AC. The output of the ACB element is provided to an integrating circuit that provides an output DC voltage. The output DC voltage depends on the average current passed by the ACB element. The average current passed by the ACB element depends on the current limit of the ACB element, which is under feed back control. Gain stabilization can be employed to accommodate a wide range of input voltages (e.g., for worldwide use).
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