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Overview

Power supplies with GaN technology provide many benefits to the user. The first benefit is the smaller size of power supplies using GaN technology. The smaller case size of a GaN power supply is possible because the GaN devices allow components, such as inductors, transformers, filter capacitors, heatsinks, and PCAs to be smaller. The second benefit afforded by the use of GaN technology in power supplies is lighter weight. Again, the GaN devices allow the use of lighter weight inductors, transformers, filter capacitors, heatsinks, PCBs and enclosures. The reason GaN technology enables smaller and lighter power supplies is the internal switching frequency for GaN based power supplies is higher than used in silicon based power supplies. Finally, the power losses from the GaN devices are less than would be from similar silicon devices. Smaller and lighter thermal solutions can be used in GaN based supplies because less heat needs to be dissipated.

PTM Published on: 2021-01-08