Patent ID: 8228962

Claim:
An integrated driver circuit suitable for driving a light emitter with a signal current (I(time)) based on a received signal; said circuit comprising a differential stage, said differential stage comprising two current sources and a differential pair of transistors having a first transistor and a second transistor each respectively forming part of a first branch and a second branch, said first branch comprises a first node suitable for connecting to said light emitter and/or said first branch comprises said light emitter, wherein said second branch comprises at least one charge storage device suitable for supplying current to one or more external components and a second node connected to the charge storage device for supplying said one or more external components with current accumulated in said charge storage device, said second node arranged to reside at a potential (VDDI); and said driver circuit further comprising a regulator as an external component to said differential stage, said regulator being arranged to influence the potential (VDDI).