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voltage regulator

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.02 sec.

voltage regulator

An electronic circuit used to maintain a level amount of voltage in an electrical line. It eliminates power surges, spikes and brownouts, which can cause harm to sensitive electronics. A voltage regulator "module" (VRM) is a voltage regulator in a replaceable unit. See surge suppression and UPS.


voltage regulator [′vōl·tij ‚reg·yə‚lād·ər]
(electronics)
A device that maintains the terminal voltage of a generator or other voltage source within required limits despite variations in input voltage or load. Also known as automatic voltage regulator; voltage stabilizer.


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This voltage regulator can overcharge the batteries and could lead to "thermal runaway.
Often these higher voltages are seen in applications such as LCD bias control, DC bias adjustments of power amplifiers, gain and offset trim of amplifiers, laser diode bias control and voltage regulator output control.
Electrical power for the boat and for battery charging is provided by an engine-driven, automobile-type alternator, controlled by a voltage regulator built into the alternator's case.
 
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