PaulMB
pfm Member
I've just ordered some 3W LEDs, each on a roughly round shaped printed circuit board, diameter about 20mm.
The specs say they need "forward voltage" of 2.4 - 2.9 volts and 800 mA max.
Does this mean I could power 3 of these in series with an old 'phone charger marked 5.7 volts and 150mA?
Or alternatively 5 in series with another charger marked 12 volts and 1 A (1000 mA)?
Or would it be better to buy a specific "driver"?
Thanks for any help.
The specs say they need "forward voltage" of 2.4 - 2.9 volts and 800 mA max.
Does this mean I could power 3 of these in series with an old 'phone charger marked 5.7 volts and 150mA?
Or alternatively 5 in series with another charger marked 12 volts and 1 A (1000 mA)?
Or would it be better to buy a specific "driver"?
Thanks for any help.