Discharge device
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United States of America Patent
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Dec 28, 2010
Grant Date -
Jan 8, 2009
app pub date -
Mar 29, 2006
filing date -
Mar 29, 2005
priority date (Note) -
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Abstract
A discharging device capable of realizing a proper PWM drive by accurately reflecting, as a strobe device, the secondary-side condition of a separately-excited strobe charging circuit being charged. A charging device which charges a main capacitor (2) via a separately-excited DC/DC converter and discharges the energy of the main capacitor, wherein a pulse width control circuit (1) for controlling a conduction pulse width on the primary side of the separately-excited DC/DC converter is provided, and this pulse width control circuit is configured such that a PWM soft start drive is performed that expands a conduction pulse width on the primary side of the separately-excited DC/DC converter stepwise up to a maximum pulse width.
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