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The first IBM PC power supply unit (PSU) supplied two main voltages: +5 V and +12 V. It supplied two other voltages, −5 V and −12 V, but with limited amounts of power. Most microchips of the time operated on 5 V power. Of the 63.5 W these PSUs could deliver, most of it was on this +5 V rail.
An integrated power supply is one that shares a common printed circuit board with its load. An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics ...
(For industrial machinery, see industrial and multiphase power plugs and sockets.) Some countries have more than one voltage available. For example, in North America, a unique split-phase system is used to supply to most premises that works by center tapping a 240 volt transformer. This system is able to concurrently provide 240 volts and 120 ...
This page was last edited on 6 December 2022, at 06:35 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
A power supply is an electronic device that supplies electric energy to an electrical load. Power supply may also refer to: Power supply unit (computer) a computer component; Electricity delivery to households and industry via electric power generation and distribution networks; Power Supply, a 1980 album of Budgie
An HVDC thyristor valve tower 16.8 m tall in a hall at Baltic Cable AB in Sweden A battery charger is an example of a piece of power electronics. A PCs power supply is an example of a piece of power electronics, whether inside or outside of the cabinet. Power electronics is the application of electronics to the control and conversion of ...
This page was last edited on 7 December 2011, at 14:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Power supply unit, an electronic device Power supply unit (computer) Passenger service unit, above each seat in a passenger airplane; Police support unit (United Kingdom) Polysulfone, family of high performance thermoplastics; Phantasy Star Universe, a persistent ORPG game by SEGA for PlayStation 2, Xbox 360 and PC