Silicon power introduces SP5221F+SP5420 no strobe, low THD 18W LED lighting scheme

writer:admin date:2017-08-22

Scheme performance

Input voltage: 90VAC-265VAC full voltage

Output power: 18W, 40V/450mA

Average efficiency: >85%

Constant current accuracy <

Safety certification

Power factor: >0.9

THD:<15%

QR Valley level switching improves conversion efficiency

LED light flashes without power frequency

EMI radiation and conduction meet the standard requirements of EN55015

AC insulation meets 3.75KV, duration 60s, leakage current less than 3mA


Application schematics and performance indicators
原 理 图
Application scheme physical map
实 物 图