As engineers within the design community read and learn about new products and topologies, they become skeptical about the promises for improved operating characteristics.

The promise of a step-function improvement with GaN in audio systems could be classified as one of these scenarios. However, with the GaN Systems Stereo Class-D Amplifier system solution, the audio industry is pleasantly surprised to see that GaN is keeping its promise.

The GaN Systems solution consists of a GaN FET-based LLC SMPS with PFC and Stereo 200W/8-ohm Class-D Amplifier. The SMPS uses the GaN Systems GS66506T for both PFC Front-End and LLC Half-Bridge Back-End and the GaN Systems GS61008P for each of the four Half-Bridge Output Stages of the Class-D Amplifier.

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