BP9938D - Non-isolated Buck Offline LED Driver
BP9938X is a high precision Buck constant current LED driver.
The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED lighting.
The BP9938X integrates a 500V power MOSFET.
With proprietary MOSFET driving technique.
It doesn’t need VCC capacitor an
BP9938D Features
* No VCC Capacitor and Startup Resistor
* Internal 500V Power MOSFET
* Integrated HV JFET for IC Power Supply
* No Auxiliary Winding
* Critical Conduction Mode Operation
* ±5% LED Output Current Accuracy
* LED Short Protection
* VCC Under Voltage Protection
* Ther
