PI推出3.8W可调光LED驱动替代烛台灯驱动方案

图一：Populated Circuit Board Photograph

Single-stage power factor corrected and accurate constant current (CC) output
Dimmable
Low cost, low component count and small PCB footprint
Highly energy efficient, >83.5% at 230 VAC input for 48 V
Fast start-up time (<300 ms) – no perceptible delay
Integrated protection and reliability features
Output short-circuit protected with auto-recovery
Disconnected load protection with auto-recovery
Auto-recovering thermal shutdown with large hysteresis protects both components and PCB
No damage during brown-out conditions
PF >0.91 at 230 VAC
Meets IEC ring wave, differential line surge and EN55015 conducted EMI

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