Switching power supply circuit with reduced noise and potential stabilization of stable potential nodes
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United States of America Patent
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Jan 30, 2018
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Jan 8, 2015
filing date -
Mar 19, 2014
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Abstract
In a switching power supply circuit of the invention, a low-voltage node capacitor is connected between a primary-side low-voltage stable potential node and a secondary-side low-voltage stable potential node, and a high-voltage node capacitor is connected between a primary-side high-voltage stable potential node and an anode of a rectifier element. Thereby, it is possible to provide the switching power supply circuit which achieves, with a simple configuration, both of noise reduction and potential stabilization of stable potential nodes.
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