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Microprocessor dc regulator supply CIRCUIT (LM323K)

2017-07-18 23:18  
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 This article describes the Microprocessor dc regulator supply CIRCUIT (LM323K). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components:LM323K.

The parts
IC1_________________LM323K or LM323T (To-220) THREE-TERMINAL 3A-5V POSITIVE VOLTAGE REGULATORS
C1__________________1000uF 16V Electrolytic capacitor
C2__________________0.1uF 63V Polyester Capacitor
C3__________________470uF 16V Electrolytic capacitor
T1__________________Transformer out 9V at 3A.
BD1_________________Bridge diode 4A 200V.

Building
All equipment according to the circuit. Except the transformer can be mounted on the PCB is shown in Figure 2. In installing the IC1, be careful not to input or an output short circuit with the heat sink is strictly prohibited.
Note:Please see datasheet of LM323Kbefore make this project.

The other way of 5V 3A power supply for digital circuit!

12V to 5V 3A DC converter step down Regulator

Today I has 12V to 5V 3A DC converter step down Regulator circuit come to deposit. In sometimes friends have power supply 12V 3A , but want Voltage 5V 3A for digital Circuit. This circuit can meet the demand of friends get , by it uses normal electronic part and have 7805 integrated circuits perform to control Voltage 5V Regulate alone it gives current get just 1A. then must have an assistant is transistor MJ2955 perform enlarge current tallly go up be 3A besides. When be born over load or shot circuit as a result still have LED1 bright warn with. And still make Q2 – BD140 work cause Q3 – MJ2955 stop work with. The circuit then safe have no a problem friends may like this circuit. Because the equipment seeks easy , build not difficult too yes.

12V to 5V 3A DC converter step down Regulator

 


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