Methods and apparatus for actively snubbing waveforms in switchi

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

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323285, 363 50, 363 56, H02H 710, H02H 7122, G05F 140, G05F 144

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060519630

ABSTRACT:
A switching regulator that actively snubs waveforms is provided. The switching regulator includes an inductor, a power switch electrically coupled to the inductor, a first diode electrically coupled to the inductor, and a snubber circuit being coupled in parallel to the inductor. The power switch and the snubber circuit include break-before-make switches such that the power switch is closed only after the snubber switch is opened to initiate a switching cycle, and the snubber switch is closed only after the power switch is opened to provide a decay path for snubbing ringing waveforms.

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