Found in a 90s Linear Technology documentation, this circuit is intended for powering cold cathode fluorescent lamps. The circuit has an input voltage from 4.5 to 20 V.
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
This circuit provides an output voltage with the absolute value of the charge and discharge current...
With the figure circuit it is possible to control the amount of heat generated by the heating...