SWITCHING POWER SUPPLY APPARATUS CORRESPONDING TO ZERO VOLTAGE SWITCHING SYSTEM
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Dec 4, 2013
filing date -
Aug 22, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a full bridge type DC-DC converter, a first protective diode is connected between a first node between a first resonance inductor on a primary side and one terminal of a primary winding of a transformer, and a power line on a high voltage side of a power supply. A second protective diode is connected between the first node and a power line on a low voltage side of the power supply. A third protective diode is connected between a second node between a second resonance inductor and the other terminal of the primary winding, and the power line on the high voltage side of the power supply. A fourth protective diode is connected between the second node and the power line on the low voltage side of the power supply.
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