However, you can't just hook any LED in parallel. Each will have it's own voltage drop. If one is enough lower than the others then all the current will go through that one and none to the others.

A voltage multiplier is applied as a high source impedance, 36V, 300mA, 12W LED driver. The high source impedance is ideal for driving power LEDs because it accommodates variations in LED junction ...

BCR431U is a low voltage drop LED driver IC for more LEDs or longer strips. It improves overall efficiency and provides the voltage headroom required to compensate for LED voltage tolerance and supply ...

There are many cases where a power supply needs an internal current-limiter function, usually built using a current sensor, a control circuit, and a pass transistor. The current sensor itself can be a ...