✓ 5v Voltage Regulator Using Zener Diode

5v Voltage Regulator Using Zener Diode

Ive been trying to make a voltage regulator using a zener diode. Zener diode makes for a lousy regulator reference and regulation are not the same thing by james lewis.

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Zener diode voltage regulator circuit using op amp.

5v voltage regulator using zener diode. The negative feedback taken from the output is connected to the inverting pin of the op amp through a voltage divider. Zener diodes have a sharp reverse breakdown voltage and breakdown voltage will be constant for a wide rang of currents. This video walks through how to do just that as well as calculate currents.

I connected the diode as the following. Then to summarise a little. Zener diode based voltage regulator.

The above circuit is the perfect setup to make a zener diode voltage regulator. I used the bzx79 33v zener diode. A zener diode is always operated in its reverse biased condition.

How a zener diode voltage regulator circuit works. I assumed that as as most of them it operates at around 1ma to 10ma safely in the break down region. In the above diagram we can see about 10 diodes being used for acquiring a 3v output at the extreme end while other corresponding values can also be seen in the form of 42v 5v and 6v levels across the relevant dropping diodes.

Zener diodes are widely used as shunt voltage regulators to regulate voltage across small loads. The lesson here is that if you want to use a zener diode regulator circuit you need to reconsider your design. This particular zener diode in use has a breakdown voltage of 51v.

The resistance was chosen to be 220 ohms. In this short post we will discuss in brief about various voltage regulator circuits. Zener diode as voltage regulator.

Using rectifier diodes for dropping voltage. We can make a simple voltage regulator using zener diode as shown in the below figure. It is recommended to read about how zener diode will provide the voltage regulation in the circuit before proceeding further.

A zener diode makes for a lousy voltage regulator but an excellent voltage reference. I connected my supply which was 5v. In some very rare or corner cases.

The 12v power supply drops across the 1kw resistor and the zener diode. A zener diode is very useful when you have a load that needs a steady voltage. The op amp voltage regulator circuit consists of a non inverting amplifier with a fixed reference voltage at the non inverting input.

As such a simple voltage regulator circuit can be designed using a zener diode to maintain a constant dc output voltage across the load in spite of variations in the input voltage or changes in the load current.

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