The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs. It can supply a total output current of 100mA over an input voltage range of 3.0V to 5.5V. The amount of constant current sourced to the outputs is user selectable using one external sense resistor.
Features
Regulated IOUTwith±0.5% matching between constant current outputs
Drives one, two, three or four white LED’s with no bias resistors