https://www.futureelectronics.com/m/power-integrations . Most appliances sold in Europe will be required to consume less than 300 mW in standby, representing a significant shift from the existing 500 mW limit.
LinkSwitch-XT2SR non-isolated flyback switcher ICs provide the perfect solution to comply with the new standards. The groundbreaking devices feature a synchronous rectifier driver, achieving higher than 80% efficiency even with a 300 mW input.