Furthermore the system comprises said one or more white LEDs, {TAIL ~ wherein a first terminal} of {HEAD ~ the one or more white LEDs} is connected to a first output port of the boost converter, and said programmable current source to deliver a bias current to the one or more white LEDs, wherein a first terminal of the current source is connected to VSS voltage 
Furthermore the system comprises said one or more white LEDs , { TAIL ~ wherein a first terminal } of { HEAD ~ the one or more white LEDs } is connected to a first output port of the boost converter , and said programmable current source to deliver a bias current to the one or more white LEDs , wherein a first terminal of the current source is connected to VSS voltage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH