BOOT-STRAP CIRCUIT AND VOLTAGE CONVERTING DEVICE THEREOF
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Oct 25, 2012
filing date -
Jul 12, 2012
priority date (Note) -
Abandoned
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Abstract
A boot-strap circuit for a voltage converting device includes a boot-strap capacitor; a charging module, for charging the boot-strap capacitor; and a protection module, for detecting a capacitor voltage of the boot-strap capacitor and adjusting conducting statuses of one of an upper-bridge switch and a lower-bridge switch of the voltage converting device according to the capacitor voltage and a duty cycle signal utilized for controlling conducting statuses of the upper-bridge switch and the lower-bridge switch.
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