Product Description

HN9921 are high-voltage LED driver control IC with built-in MOSFET switch and intended for LED lighting control. They allow efficient operation of LED strings from voltage sources ranging up to 400V DC.
They are pin-pin replacement of HV9921 / HV9922 / HV9923

specifications︰ Pin-pin replacement of HV9921 / HV9922 / HV9923