That would be great to have a current limiter on that regulated output also.
It might be possible Linear regulators are excluded for this improvement because they dissipate way to use much energy. A switch-mode power supply approach is favored <https://en.wikipedia.org/wiki/Switched-mode_power_supply>. So far, a LM317 for the voltage controlBuck converter is considered : https://en.wikipedia.org/wiki/Buck_converter
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