| Patents
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|---|---|---|
| System and Method for Recovering Energy in Power Converters | This shows a circuit which can clamp the
excessive voltage ringing and use that energy for the gate
drive, helping to improve efficiency. Patent 6343023, 2002.
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| Blocking Time Maintenance Circuit for ZVS Converters | This shows a circuit that maintains a constant blocking time
on a saturable core for a ZVS Fullbridge with input voltage
varying. Patent 5956238, 1999.
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| Three Phase Input Boost Converter | This is a 3 phase PFC boost employing a single switch device
as opposed to 3 devices. Patent 5694310, 1997.
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| DC-DC Converter with Reset Control for Enhanced Zero-Volt Switching | This shows a technique that can be applied to ZVS Fullbridge
saturable cores to better control the blocking time. Patent
5418703, 1995.
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| Resonant-Transition DC-to-DC Converter | Technique showing how to use saturable cores to significantly improve the ZVS load range of a ZVS Fullbridge. Patent 5132889, 1992. | |
| Efficient P-Channel Fet Drive Circuit | This circuit shows a novel way to drive and turn off a P-channel Fet in a Buck converter application. Patent 5115143, 1992
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