基於Navitas NV6115 氮化鎵功率晶片的高效高功率密度150W電源解決方案.pdf

150W, AC-19.5VDC PFC+LLC Demo Board This design uses a Critical Conduction Mode (CrCM/DCM) PFC (AC-400 VDC), followed by an LLC DC-DC (400-19.5 VDC). For both stages, the switching frequency was increased to the maximum allowed by the off-the-shelf control ICs available. The board is designed to