The configuration is from the 1994 Linear Applications Handbook by National Semiconductor. The circuit is valid for the LH0033 and others in the same family.
This circuit is suitable for incandescent lamps but can be adapted to work with LEDs. The circuit is...
We find this circuit in the 80's own component manual itself. The characteristics of the circuit...
This source, obtained in the 1982 SGS manual, has pre-regulation and provides a current according to...