BP2866-AJ/BJ/CJ/DJ/FJ/GJ

BP2866XJ is an external OVP step-down LED constant current driver chip  The film. The chip operates in inductor current critical continuous mode, suitable for  Non isolated step-down type with full range input voltage of 85Vac~265Vac  LED constant current power supply. Chip ROVP pin with Enable function, suitable for  Used for color adjustment and induction light applications.  The BP2866XJ chip integrates a five hundredV power switch internally, using patented technology  The demagnetization detection technology and high-voltage JFET power supply technology do not require VCC  Capacitors and starting resistors make their peripheral components simpler, saving external resources  The cost and volume of enclosure.  The BP2866XJ chip is equipped with a high-precision current sampling circuit  Adopting patented constant current control technology to achieve high-precision LED constant current  Flow output and excellent line voltage regulation. Chips work in inductors  Current critical mode, output current does not vary with inductance and LED operation  The voltage changes and achieves excellent load adjustment rate.  BP2866XJ has multiple protection functions, including LED short circuit protection,  Chip power supply undervoltage protection, external OVP, chip temperature overheating regulation  Wait.  BP2866XJ adopts SOP7 packaging.

characteristic  ◼  No VCC capacitor, no starting resistor  ◼  Integrated high-voltage power supply function  ◼  External moisture-proof OVP function  ◼  No flashing lights under low bus voltage  ◼  Enable function compatible with switch color adjustment and sensor lights  ◼  ± 5% LED output current accuracy  ◼  LED short circuit protection  ◼  Overheating regulation function  ◼  Adopting SOP7 encapsulation  

application  ◼  LED candle light  ◼  LED bulb light  ◼  Other LED lighting