Ralph’s simple battery charger is essentially this simple voltage regulator circuit. He chose the voltage-setting resistors R1 and R2 to give him 2.5 V on the TL431 when the output sees 3.6 V ...

Linear voltage regulators are key components in any power-management ... There are different implementations that can be found from different manufacturers. Some are simple analog circuits that shut ...

You dig into your stash to find your last LM7809 voltage regulator, but all you have ... Not if you’ve watched [0033mer]’s Simple Electronic Circuit Hacks video! You know just what to do.