業(yè)內體積最小、低成本電源方案

一、DU8623 reference design for E14/Candle 10mm*16mm*10.5mm
E14 candle
For 1 to 3W non-isolated LED lighting
Input Voltage Range: 85V ~ 265Vac
Output Voltage Range: 3V ~ 60Vdc
Output Current: up to 35mA
Overall Output Current Regulation: 2%
Conversion Efficiency: 85% @ 110V / 60Hz; 88% @ 230V / 50Hz
Conversion Power Factor: 0.6 @ 110V / 60Hz; 0.5 @ 230V / 50Hz
EMI: Meet EN55015B standard

用DU8623做的10mm*16mm*10.5mm尺寸3W方案，勘稱業(yè)內最小體積。可以內置E14，使用了貼片電感，體積小，成本有所增加。總體BOM成本在RMB2.5左右

二、DU8623 reference design for Bulb
GU10/Candle
For 1 to 5W non-isolated LED lighting
Input Voltage Range: 85V ~ 265Vac
Output Voltage Range: 3V ~ 42Vdc
Output Current: up to 120mA
Overall Output Current Regulation: 2%
Conversion Efficiency: 88% @ 110V / 60Hz; 86% @ 230V / 50Hz
Conversion Power Factor: N/A
EMI: N/A

5W 球泡，BOM成本2.2左右，成本、體積都很不錯。

三.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，無電解電容，成本低、壽命加長。