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2. Regulated power supply - Wikipedia

   en.wikipedia.org/wiki/Regulated_power_supply

   A regulated power supply is an embedded circuit; it converts unregulated AC (alternating current) into a constant DC. With the help of a rectifier it converts AC supply into DC. Its function is to supply a stable voltage (or less often current), to a circuit or device that must be operated within certain power supply limits.

3. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   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 ...

4. Buck converter - Wikipedia

   en.wikipedia.org/wiki/Buck_converter

   This circuit topology is used in computer motherboards to convert the 12 V DC power supply to a lower voltage (around 1 V), suitable for the CPU. Modern CPU power requirements can exceed 200 W, [10] can change very rapidly, and have very tight ripple requirements, less than 10 mV. Typical CPU power supplies found on mainstream motherboards use ...

5. Class-D amplifier - Wikipedia

   en.wikipedia.org/wiki/Class-D_amplifier

   The structure of a class-D power stage is comparable to that of a synchronously rectified buck converter, a type of non-isolated switched-mode power supply (SMPS). Whereas buck converters usually function as voltage regulators , delivering a constant DC voltage into a variable load, and can only source current, a class-D amplifier delivers a ...

6. Power electronics - Wikipedia

   en.wikipedia.org/wiki/Power_electronics

   Applications of power electronics range in size from a switched mode power supply in an AC adapter, battery chargers, audio amplifiers, fluorescent lamp ballasts, through variable frequency drives and DC motor drives used to operate pumps, fans, and manufacturing machinery, up to gigawatt-scale high voltage direct current power transmission ...

7. Load regulation - Wikipedia

   en.wikipedia.org/wiki/Load_regulation

   Load regulation is the capability to maintain a constant voltage (or current) level on the output channel of a power supply despite changes in the supply's load (such as a change in resistance value connected across the supply output).