This conventional circuit with a source adjustable to 1.5 A was obtained in a documentation translated from the 80's. The LM350 can be used for a current of 3 A and the output voltage range is from 1.2 to 37 V. The transformer has secondary 25 V with a current of 1.5 A or 3 A depending on the integrated used. The integrated circuit must be mounted on a heat radiator.
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