Abstract

Due to the development of integrated electronic appliances, independently controlled multiple-output dc–dc converter prototypes have started to emerge in various forms, offering advantages of more compact size and cheaper cost. However, the existing converter topologies are capable of regulating outputs only with the help of auxiliary converter circuits and additional switches. The converter also fails to control all of the outputs independently when the converter has a greater number of output stages than that of the peripheral switching/linear regulators. Therefore, in this paper, a novel dc–dc converter prototype is proposed that can be utilized to construct independently controlled multiple-output converter topology with a single PWM signal driving the primary inverter switches. Feasibility, design challenges, and practical considerations are discussed in this paper with a design example of an independently controlled four-output, 356-W resonant converter system.

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