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This paper presents detailed design and comparison of two front-end Dc/Dc converters which are suitable especially for the medium-power level applications with low output voltage and high output current both. Where, the LLC resonant converter drawn more and more attention recently shows its essential advantages in high conversion efficiency and high power density. However, due to the variable-frequency...
Nowadays, with the rapid development of the consumer electronics, the power density of the power supply adapter is going to be much higher. To reduce the voltage stress on secondary-side rectifiers and the secondary-side conduction loss, the capacitive output filter is widely used, in the half-bridge LLC resonant converter and in the soft-switched phase-shift full-bridge converter with primary-side...
This paper presents the detailed optimum design considerations for a presented synchronous rectified soft-switched phase-shift (PS) full-bridge (FB) converter with primary-side energy storage inductor, which is fit for low output voltage and high output current applications. Although this converter can be operated in CCM, BCM (boundary continues mode) and DCM respectively, the optimum analysis and...
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