12v 3a Regulated Power Supply Circuit Diagram

1 5v 3v adapter usb to 1 5v or 3v converter circuit small uninterruptible ups.

12v 3a regulated power supply circuit diagram. This is a schematic of a simple dc 12v 3a power supply circuit using 2n3055 transistor. A lot of 6v supply. Here are 4 simple 12v power supply circuits with output voltages around 12v. For most of our sensors and motors we use voltage levels like 3 3v 5v or 12v.

It has short circuit protection thermal overload protection. 1 5v 3v 4 5v 6v 9v at 1 5a selector voltage regulator. First it is a high quality power supply. But if you need to use a 3a adjustable voltage regulator.

It is very difficult to find that type of regulated ics which deliver that high current so this circuit will work on the places where. So we are building here the regulated power supply of 3a current with the variable voltage between 0 to 24v. Now i have still used it. 24v 2a power supply circuit.

But motors like servo motors or pmdc motors which run on 12v or more require a high current. 12v and 5v output many ideas of 12v and 5v dual power supply circuit diagram at 3a max. This circuit can be very useful on the places where you want high current like 3a. Third adjust the output voltage of 1 25v to 20v.

Here this circuit diagram is for 12v regulated fixed voltage dc power supply this power supply circuit diagram is ideal for an average current requirement of 1amp. Each of the schematic is very simple to construct and will function without problems if you respect the maximum power supply ratings. Many years ago i built a first variable power supply using lm317. 12v dc power supply schematics.

This below circuit is suitable for you with 5 important reasons. 12v 1a linear regulator using transistor and zener diode.