Implementing of Developed Voltage Lift Technique on SEPIC, Cûk and Double-Output DC-DC Converters

The voltage lift technique is a popular method that is widely applied in electronic circuit design. This paper introduces implemental methods of the voltage lift technique based on the SEPIC and Cuk converters. A series of novel dc-dc converter topologies are constructed. Compared with the SEPIC and Cuk prototypes, these converters can perform positive to positive/negative/double output dc-dc voltage increasing conversion with higher voltage transfer gains, high power density, high efficiency and cheap topology in simple structures. They are different from other existing dc-dc step-up converters and possess obvious advantages. The theoretical analysis in the continuous conduction mode is given in detail. Both the simulation and experimental results are provided to verify the proposed topologies.

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