0.25 W non-isolated power supply for home and building automation using LinkSwitch-TNZ (LNK3302D)

• No electrolytic capacitors
• Low-line input: 90 - 132 VAC
• Output: 5 V , 50 mA
• Lower than 25 dB audible noise
• Integrated 725 V power MOSFET
• Current sensing and protection
• Lower than 120 µA standby input current across AC line
• Zero-crossing signal output synchronized to AC line