This circuit that appears in other points of this section and on this website serves to activate a lamp in the event of a power failure. This version is from 1967 documentation by General Electric.
January 2017 - Texas Instruments' new TPS54200 integrated circuit for excitation of LEDs with a...
April 2017 - Mouser Electronics is making available this new component for open LED protection...
Using the Linear Technologies LT3080 IC we have a constant current source with a 10 V voltage...