本文针对为GaN基准谐振反激（QRF）转换器供电的两级AC/DC转换器中功率因数校正（PFC）级的轻载/中载效率问题，提出了一种 ...

As more electrically-powered devices are connected to the grid, the increased distortion to the electric grid can create problems in the electrical distribution network. So, power supply designs ...

Experienced designers know that for many system scenarios—even as disparate as a data link versus a power supply—one of the biggest challenges is getting the function to initialize and start up ...

Researchers develop a sensorless boost PFC method delivering near 0.9998 power factor and low distortion, enabling smaller and more reliable power supplies for consumer electronics. Single-phase power ...

Electronic ballasts for fluorescent lighting deliver high efficiency and long lamp lifetimes. A new and simplified control circuit demonstrates complete control of the ballast, including all necessary ...

HiperPFS-5 ICs enable compact, efficient power-factor stage for ultra-fast adapters, consumer electronics, computer and appliance power supplies HOUSTON--(BUSINESS WIRE)--APEC 2022 – Power ...

This application note presents a numerical algorithm for IGBTs that operate in switch mode power circuits in order to determine its losses. The design example uses a 600 W zero-current switching boost ...