Features
∎ Single-stage, active power factor correction, high PF value, low THD
∎ Primary feedback constant current control, no need for secondary feedback circuit
 With dimming interface
 ±3% LED output current accuracy
 Excellent line voltage regulation and load regulation
 Inductor current critical continuous mode
 Ultra-low (28uA) startup current
∎ FB feedback resistor value is high and power consumption is low
 LED open/short circuit protection
 Current sampling resistor open circuit protection
 Cycle-by-cycle primary current limit
 Chip power supply overvoltage/undervoltage protection
 Automatic restart function
 Overheating adjustment function
∎ Overheating adjustment temperature can be set externally
 Using SOP-8 package