White LED x 18 driver
Posted by: linsen133
on
Dear PI Experts:
need PI suggestions for white LED Vf=3.5, @135mA, 18pcs in series
Isolated and non-isolated
120Vac, 230Vac or Universal
PF >>0.9, THDi <<20%
efficiency >85%
meet UL, EMI, FCC without EMI filter if possible
low part count
tks
Arthur
As shown in the attached file, there are many design examples of 5 W - 15 W LED driver using LinkSwitch-PH and LinkSwitch-PL in the Design Support Menu in PI Website.