12v Power Supply Diagram. In this tutorial we will learn how to build a 12v smps circuit that would convert ac mains power to 12v dc with a maximum current rating of 125a. And i highly recommend this high current power supply circuit.
It has short circuit protection thermal overload protection. Here are a number of highest rated 48 volt power supply pictures on internet. 12v section at 12v ct 12v d1 and d4 rectify ac 12v to dcv and c2 smooth it to pure dc too.
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This circuit is based on ic lm7812. In case you wanted to achieve a fixed 12v regulated power supply the same configuration could be applied for getting the required results as shown below. Y ou can change zener diode and change the voltage if you need 12 volt output use 12 volt zener diode instead 5 volt. Here are a number of highest rated 48 volt power supply pictures on internet.