Redirected from Power supply unit
The range of different types of power supply is very broad, since widely differing design criteria affect each application.
As well as the usual requirements of cost, reliability, weight and size, constraints that commonly affect power supplies are the amount of power they can supply, how long they can supply it for without needing some kind of refueling or recharging, how stable their output voltage or current is under varying load conditions, and whether they provide continuous power or pulses.
Common power supply technologies include:
More specialised power supplies might be based upon:
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