Power Integrations Inc. has introduced its TOPSwitchGaN IC family, marking a significant advancement in power conversion by extending flyback converter designs up to 440W a range traditionally reserved for more complex topologies such as LLC.

The new solution combines the company’s PowiGaN technology with its established TOPSwitch architecture, enabling engineers to achieve high efficiency, reduced design complexity, and lower system costs. With efficiency reaching up to 92% across a wide load range, the devices also meet stringent energy standards with less than 50mW standby power consumption.

By integrating 800V GaN switches, TOPSwitchGaN reduces conduction losses and supports higher switching frequencies, allowing for more compact designs and improved performance. In many applications, the need for heat-sinks is eliminated, further simplifying manufacturing and accelerating development timelines.

This innovation positions flyback converters as a viable option for higher-power applications, offering a more efficient and streamlined alternative for modern power supply design.

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