Electronic apparatus having a diode connected to a control terminal of a switching element
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United States of America Patent
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May 26, 2015
Grant Date -
Jul 24, 2014
app pub date -
Jan 21, 2014
filing date -
Jan 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic apparatus includes a switching element which has a control terminal and is driven by controlling voltage of the control terminal, a driving power supply circuit which supplies voltage required for driving the switching element, an on-driving circuit which is connected to the driving power supply circuit and the control terminal of the switching element and is supplied with voltage from the driving power supply circuit, and which applies a constant current to the control terminal of the switching element to charge the control terminal, thereby turning on the switching element, and at least one diode which is connected between the on-driving circuit and the control terminal of the switching element. The on-driving circuit applies a constant current to the control terminal of the switching element through the diode.
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