Please download the user guide for more information.
The HV9923DB1 demoboard is a complete LED power driver to supply a string of LEDs using the HV9923, an integrated 3-pin high input voltage constant-current buck regulator IC. The HV9923 integrates a 500V switching MOSFET and can operate directly from the rectified universal AC line voltage range of 80 to 265VAC.
PLEASE CONTACT YOUR LOCAL MICROCHIP SALES OFFICE FOR DEMO BOARD AVAILABILITY.