This source with two symmetrical output voltages was found in 90s Radio Electronics. The 22 V output has a maximum current of 300 mA and the 5 V output has a maximum current of 4 A.
I found this circuit in an English publication of 1989. This configuration can be mounted with...
Found in a Popular Electronics from the 80's, this circuit triggers an SCR keeping an LED on when...
September 2016 - Mouser Electronics already has the new TPS54335-2A from Texas Instruments...