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Point-of-Load (POL) and Multi-Phase Converters

T09.6 - A Triple-Path 12V/24V-to-1V GaN-Based Hybrid DC-DC Converter

Wednesday, March 25, 2026
10:40 AM - 11:00 AM CT
Location: 214A
This paper presents a new 12/24V-to-1V non-isolated hybrid converter topology. This con- verter utilizes multiple current paths at the output, resulting in reduced current stress on each passive component. The lower current lowers I2R conduction losses and in turn enables the use of passive components with smaller footprints, improving the power density of the implementation. Experimental results of a 500 kHz, 12.6 W prototype verify the operation and performance of the converter, achieving 90.25% and 90.96% efficiency at 12V-to-1V and 12V-to-1.2V voltage conversions, respectively, and a peak power density of 495W/in3.