50 W converter for LED drivers based on HVLED101 quasi-resonant flyback controller with primary-side regulation.
The EVLHV101SSR50W LED driver board provides a stable and insulated 60 V output voltage and a maximum power output of 50 W. The board can be used as a stand-alone power supply, or as the front-end stage in a dimmable or non-dimmable offline LED driver.
This demonstration board achieves a very high power factor, low total harmonic distortion and low bill-of-materials cost thanks to the features of the HVLED101, which adopts frequency foldback with valley-locking operation to reduce switching losses and minimize acoustic noise.
Input-voltage variations, excessive input voltage and insufficient input voltage are managed by the HVLED101 protection functions, which improve the reliability of the application.
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