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The full bridge boost isolated DC-DC converter achieves high voltage gain by setting the turns ratio of high-frequency transformer. Compared with the transformer, diode-capacitor voltage boost cell is more suitable to achieve high voltage gain with both high efficiency and power density. However, multi-cell diode-capacitor network has inrush current issue and strict LC filter requirement which is...
The existing high step-up DC-DC converters with multi-cell diode-capacitor network have large inrush current issue and strict LC filter requirement which are not suitable to achieve both high efficiency and high power density in relatively low switching frequency and large power application. In order to meet high step-up voltage regulation and compulsory electrical isolation due to public safety,...
The half-bridge (HB) LLC resonant converter is widely used in the middle power applications, because it has many advantages such as wide zero-voltage-switching (ZVS) range and low component counts. However, in wide input voltage applications such as a server power supply with a hold-up time requirement, the HB LLC resonant converter should be designed with low k factor, which indicates small magnetizing...
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