一个无电解电容方案

DU8623     reference design for Bulb

GU10/Candle

For 1 to 3W non-isolated  LED lighting

Input Voltage Range: 180V ~ 264Vac

Output Voltage Range:3V-52Vdc

Output Current: up to 60mA

Overall Output Current Regulation: 2%

Conversion Efficiency: 92% @ 230V / 50Hz

Conversion Power Factor: N/A

EMI:  N/A

3W球泡，BOM成本2.2以下，无电解电容，成本低、寿命加长。(达到安规距离就能过安规)