"The TEA1833 demo board is a small and low cost solution for a 45W ultra book adapter or any low power adapter solution.
The power supply can deliver a peak power up to 200 % for a limited amount of time.
The application is EMI CISPR22, ENERGY STAR, DoE and CoC compliant. The used topology is fixed frequency flyback. Several protections and compensation features are built-in (see features and benefits list). Best in class efficiency and standby power consumption performance."