There’s also the problem of market demand; with most modern electronics favoring switched-mode power supplies ... job of a second 6- or 12-volt winding on a power transformer.

[MattKC] was tired of messing around with step down transformers to run ... which carries 12V and 3.3V to the console. Few compact power supplies exist delivering this pair of voltages, so ...

DER-1045Q – 16W four-output power supply – one 14V EPS output and three gate-drive outputs with split with +18V/-5V rails.