It is an improved version of the previous circuit with a voltage follower that reduces the load impedance. The circuit was found in American documentation from the 1980s.
This circuit can be used with high power LEDs supplying currents from microcontrollers and digital...
The integrated circuit used in this regulator is not common today. The circuit is from a technical...
We find this circuit in an 80's EDN. The circuit can be used with equivalent operational,...