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on video LM317 adjustable voltage regulator 0-30v 30A

 

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Many years ago, I built the first Variable power supply using LM317. Now, I have still used it. But if you need to use a 3A adjustable voltage regulator.

This circuit is using LM317 with a pass transistor circuit for 5 important reasons.
First, it is a high-quality power supply.
Second, the output current up to 3A.
Third, adjust the output voltage from 1.25V to 20V.
Fourth, adjust the voltage in the step of 3V, 6V, 9V, 12V.
Finally, use a normal component, LM317, 2N3055, and more.
So, it's very easy to do.


 

**


Many years ago, I built the first Variable power supply using LM317. Now, I have still used it. But if you need to use a 3A adjustable voltage regulator.

This circuit is using LM317 with a pass transistor circuit for 5 important reasons.
First, it is a high-quality power supply.
Second, the output current up to 3A.
Third, adjust the output voltage from 1.25V to 20V.
Fourth, adjust the voltage in the step of 3V, 6V, 9V, 12V.
Finally, use a normal component, LM317, 2N3055, and more.
So, it's very easy to do.


 

**


Many years ago, I built the first Variable power supply using LM317. Now, I have still used it. But if you need to use a 3A adjustable voltage regulator.

This circuit is using LM317 with a pass transistor circuit for 5 important reasons.
First, it is a high-quality power supply.
Second, the output current up to 3A.
Third, adjust the output voltage from 1.25V to 20V.
Fourth, adjust the voltage in the step of 3V, 6V, 9V, 12V.
Finally, use a normal component, LM317, 2N3055, and more.
So, it's very easy to do.


 

**


Many years ago, I built the first Variable power supply using LM317. Now, I have still used it. But if you need to use a 3A adjustable voltage regulator.

This circuit is using LM317 with a pass transistor circuit for 5 important reasons.
First, it is a high-quality power supply.
Second, the output current up to 3A.
Third, adjust the output voltage from 1.25V to 20V.
Fourth, adjust the voltage in the step of 3V, 6V, 9V, 12V.
Finally, use a normal component, LM317, 2N3055, and more.
So, it's very easy to do.


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