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Results tagged with voltage-regulator
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user 740
A voltage regulator is an analog circuit that produces a stable output voltage that doesn't vary with input voltage or load changes. Switching regulators are much more efficient than linear ones.
4
votes
Accepted
Regulator that can handle voltage on its output
You sometimes see a diode connected from the output of a regulator back to the input, such that under normal powered operation, the diode is reverse biased. If you remove the input power, the diode ca …
- 19.3k
7
votes
Difference between Mosfet and Voltage Regulator?
In very basic terms, a voltage regulator is a device for building a power supply, whereas a mosfet is something you use to build an amplifier. A voltage regulator is basically an integrated circuit th …
- 19.3k
6
votes
Accepted
Easiest way to regulate a 12 V battery to regulated 12 V?
What a regulator actually does is to smooth out variations in voltage to make a source look more like a battery. In a case like this, you don't have to worry about the source voltage changing much, so …
- 19.3k
5
votes
Some Power Supply Questions - Multiple Rails or Single Rail w/ multiple Outputs?
You won't be able to get a good 12V output from a 12V input using a linear regulator like the 7812. Linear regulators need at least a couple of volts more on the input, so they have margin to regulate …
- 19.3k
2
votes
Shortcircuited motorcycle alternator leads to RPM proportional losses?
The same constant that relates machine voltage to RPM also relates its current to the torque. If you can determine how much current is due to the 'shorting', then that current should reflect back mech …
- 19.3k
6
votes
Converting 24VAC to 5VDC - Need transformer demystification
You can't rely on using resistance measurements to get turn ratios, because they almost always use different gauge wire for the two windings. The primary winding is usually several hundred turns of so …
- 19.3k