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HIGH FREQUENCY DC/DC CONVERSION USING A NOVEL CONCEPT OF MULTIPLE FREQUENCY OPERATION WITH PULSEWIDTH MODULATED OUTPUT
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| Author(s) |
Pradeep Chhawchharia; D.K.W. Cheng; Y.S. Lee |
| Abstract |
A novel concept in high frequency DC/DC conversion is proposed. A switch feeds
the energy from a DC voltage source to an inductor, which is an integral part of the resonator-rectifier combination. The resonance in the resonator-rectifier combination takes place at a higher freqency as compared to the switch operating frequency and energy is
transferred to the output load until the oscillations in the resonator-rectifier combination die out. This allows a high frequency operation of the circuit whereas low frequency operation of
the switch. The output voltage regulation is achieved by controlling the amount of energy input into the inductor either by pulse width modulation and/or the off time variation. A good efficiency is achieved in megahertz range. The simulation results support the validity
of the concept. |
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| Filename: | Unnamed file |
| Filesize: | 473.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2015-12-11 by System |
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