This hybrid power supply circuit was found in the August 1997 issue of Electronics Now magazine. The power transistor and the integrated circuit must be provided with heat sinks.
Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then...
In the figure we have the use of one of the four existing amplifiers in the LM2900 and LM3900 as a...
12 V battery chargers provide higher unregulated voltage. With the regulator shown, obtained from...