TEA1522 key features
Ñ Optimized for SMPS fl yback operation
Ñ Integrated 650 V MOSFET power switch
Ñ Operates directly from rectifi ed mains supply
(80 to 276 V AC)
Ñ Valley switching
Ñ High voltage start-up
Ñ Frequency reduction at low output power
Ñ Switching can be stopped (0% duty cycle)
Ñ Numerous built-in protections for robust design

Key applications
Ñ USB charger
Ñ Small power supplies
Ñ White goods
Ñ Small personal care equipment
Ñ Chargers for portable equipment
Ñ Coffee machines
Ñ Security camera
Ñ General domestic appliances