Abstract

This paper presents a GaN-based high frequency non-inverting buck-boost (NIBB) dc-dc converter with voltage-only feedback control loop. A two-layer PCB is designed to test the high-frequency operation of NIBB converter. Furthermore, feedback control is developed using FPGA for the regulation of output voltage corresponding to change in the load conditions and input voltage variations. The feedback control operation of NIBB tested under different load conditions as well as dead-time to investigate the system performance.

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