It has the property of holding its output voltage at a fixed value with virtually no ripple - even though its input voltage may vary considerably. Some regulators are adjustable.Originally posted by Nirvana@Jan 18 2005, 08:30 PM
Hi there could anyone tell me what a voltage regulator actually does, i know that it helps to smooth DC but can it amplify the voltage in any way?
Hi i have recently made a dual power supply for my couse but i am wondering how i got the output voltage. You see i have a transformer which outputs 12V and from that using the made up circuit board along with the variable resistor I can adjust it to give out 17.5V. How can i do that when i am given only 12 volts , and there are no amplifiers in the circuit.??Originally posted by pebe@Jan 18 2005, 08:35 PM
It has the property of holding its output voltage at a fixed value with virtually no ripple - even though its input voltage may vary considerably. Some regulators are adjustable.
There are provisos. The minimum input voltage must exceed the output voltage by a certain amount (usually around about 2 volts), and the maximum input voltage and current drawn are not exceeded.
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