Their modules can be surprisingly greedy in power consumption, particularly with -12V power which I sometimes can overlook.

Fumana: 430 mA +12V, 390 mA -12V
Brenso: 325 mA +12V, 235 mA -12V
Falistri: 170 mA +12V, 170 mA -12V
QSC: 170 mA +12V, 170 mA -12V

(just to list a few)

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