SF6778S is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regulation (PSR) power switch for offline small power converter applications.
SF6778S has proprietary super-QR/PSRTM control
for high efficiency and low EMI, which can ensure system to meet EPS
Key Features
Meet EPS Level 6.
Built-in 600V Power MOSFET.
Proprietary super-QR/PSRTM (Quasi-
Resonant & Primary Side Regulation) Control for High Efficiency and Low EMI.
Proprietary Cable Drop Compensation.
Max. Frequency Clamping to Limit Power MOSFET Vds Spike @ Output Short Circuit.