DER-484 - 300 W Forward Power SupplyThis engineering report describes a 61V(nominal), 280 W power supply reference design operating from 90-264VAC. A 5V, 4A standby output is also provided. The power supplymain output is designed with a constant voltage/ constant current characteristic for use in battery charger applications. The design is based on the PFS7528H and TFS7707H, with the main forward stage operating at 66kHz.
