LD7837 controller equivalent, high performance primary side flyback led controller.
* High voltage 700V startup circuit
* Primary Side PFC controller
* Optimize THDi Over Wide Universal Range
* High LED Current Accuracy
* Line Regulat.
This chip provides High Current Accuracy at full input voltage range form from 85V to 277V Vac. The constant on time PF.
The LD7837 is a high performance primary side Flyback or Buck Boost LED Controller with HV start-up special design for LED lighting. This IC operating on transition mode(TM) and integrated with completed safety requirement protections. It minimizes t.
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