DK813 Description
The DK813 is a LED Driver IC designed specially for Non-Isolated high PFC BUCK circuit. It integrates 700V high voltage power transistor and primary peak current detecting circuit. It also includes Active Power Factor Correction, Output Voltage Control, Self-Power supply and LED loading circuit auto detection functions, can avoid LED loading damage.
DK813 Key Features
- ±3% LED Output Current Accuracy
- Build-in 700V power transistor
- 85V-265V wide range AC power input
- Quasi-resonant mode, high circuit efficiency, η>90%
- Patent self-power supply circuit design, no need for external winding power supply
- Single-Stage Active PFC(Power Factor Correction) for High Power Factor(PF>0.95) and Low THD
- Over current, Over loading, Over temperature, Over voltage, LED short circuit and LED open circuit Protection
- Automatic detection of constant current loading when power is on, to prevent electrical LED lamp burning