HV9910BDB1, Off-Line High-Brightness 1.4A LED Driver Demo Board

HV9910BDB1, Demo Board is an offline, high current LED driver designed to drive a 40V LED string at 1.4A from a 110V input. The demo board uses HV9910B LED driver IC to drive a buck converter. The HV9910BDB1 has a typical full load efficiency of 88%, with the buck converter efficiency (excluding the diode bridge rectifier and EMI filter) at 93%. The demo board also meets CISPR-15 conducted EMI standards