Hi,
i need some help to drive high power led of 1 W each in a string of 30. it has a supply voltage of 160v dc and Vf of LED's is 4.5 at 4Amps .
LM317 has 1.5A current limit. can anyone suggest high current limiting voltage regulator for high supply voltage.
thanks in advance
i need some help to drive high power led of 1 W each in a string of 30. it has a supply voltage of 160v dc and Vf of LED's is 4.5 at 4Amps .
LM317 has 1.5A current limit. can anyone suggest high current limiting voltage regulator for high supply voltage.
thanks in advance