AC to DC Constant Current Voltage Regulator Adjustable Power Supply Module DIY Kit AC 15-24V to DC 0-30V

Description:
Adjustable DC regulated power supply

Parameter:

Component List:

NOTE:
1>.Only input AC (15--24V), and the maximum can not exceed 24V。
2>.Please make sure that the cooling fin is insulated from the circuit when it is installed on Q4(D1047). The circuit is of a linear stabilized electricity power, and the power dissipation of Q4 is at a relatively high level, thus please ensure that D1047 has a good cooling effect.

Circuit Debugging:
1>.Voltage Conditioning
Turn potentiometer P1 to the minimum, and then adjust the RV1 potentiometer, Make the output voltage is 0V.
2>.Current Conditioning
Connect the load resistance to the output point,for example,10ohm(make sure there is enough power), and the current potentiometer set at its max and the voltage potentiometer at its min,turn on the device,build up the voltage to 1V slowly,rotate the current potentiometer counterclockwise till the LED begin to emit light,at which point the current of the circuit is limited at 0.1A and the position could be marked. Adjust to 2V,5V,10V,20V,30V successively,and you could calibrate different input current,the formula is:I=U/R. For example,if the load of 10ohm is used,and U at 30V,I=3A (max output).You could substitute other load resistance with different values,but please make sure there is enough power and cooling.

Please click here to download Instruction Manual:



 

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