BP2327A Datasheet | BPS

Non-isolated Buck APFC LED Driver Description The BP2327A is a high precision non-isolated buck APFC LED driver, specially designed for universal mains with constant current control. The driver with on-chip PFC circuit achieves high power factor, low THD and high efficiency. The BP2327A integrates a 650V power MOSFET, utilizes patent pending floating ground structure, and operates in Critical Conduction Mode. The switching loss is reduced and the inductor is fully utilized. The inductor current is sensed during the whole switching cycle and limited cycle by cycle. With few external ponents, it achieves high precision output current, excellent line regulation and load regulation. The BP2327A offers full of protection functions to improve the system reliability, including LED load open circuit protection, LED load short protection, VCC under voltage protection, Current Sense resistor open circuit protection, and over temperature protection. All the protection functions are auto-recovery. The system reliability is further improved by the thermal regulation function. The output current is reduced when the driver is in condition of over temperature. Features - Active PFC for High Power Factor and Low THD - Integrated with 650V Power MOSFET - System Efficiency up to 95% - ±3% LED Output Current Accuracy - Excellent Line and Load Regulation - Critical Conduction Mode Operation - Ultra Low (33u A) Start Up Current - Ultra Low (300u A) Operating Current - LED Short/Open Protection - Current Sensing Resistor Open Protection - Cycle by Cycle Current Limit - VCC Under Voltage Protection - Auto Fault Recovery - Thermal Regulation Function - Available in SOP-8 Package Applications - LED retrofit lamps, Bulb, Spot Light, GU10/E27 - LED PAR30, PAR38 Lamp - LED tube, LED String - Other LED Lighting Typical Application 5 DRAIN FB 4 6...