12 W or 6 W non-isolated flyback power supply for appliances, using LinkSwitch-XT2SR (LNK3773D)

• Selectable output voltage between 6 V and 12 V, with 1 A output current
• Input range: 90 - 265 VAC
• Very low component count
• Synchronous rectifier MOSFET driver and integrated 3.3 V LDO (uVCC)
• 90% efficiency at nominal AC input
• <5 mW no-load input power at 6 V output 230 VAC
• <190 mW standby input power at 6 V / 30 mA load
• Simple two-winding transformer