Build a 5 A stabilized Power Supply Circuit Diagram

How to Build a 5 A stabilized Power Supply Circuit Diagram. This is a simple but powerful power supply, which can deliver up. 5 A The circuit works with the aid of a normal voltage regulator of the type 78xx and a buffer transistor. When the output current exceeds 200 mA, then T1 takes over, allowing the maximum output current is 5 amperes.

The 78 series regulator is available from 5 to 24 volts. In the place of the xx is the voltage, so 7812 for a 12 volt regulator.Take the AC in 5% higher than the desired output voltage. In that case it is below the wrinkle.T1 is a MJ (E) 2955. It must be properly cooled at higher output currents.

 5 A stabilized Power Supply Circuit Diagram



5 A stabilized Power Supply Circuit Diagram






Parts List

     R1 = 3.3 Ω 5 Watt
     C1 = V 4700μF/63
     C2 = V 10μF/35
     C3 = 100nF
     D1 = 35A
     T1 = MJ2955 (TO220), MJE2955 (TO3), TIP2955 (TO247)
     IC1 = 78xx
     F1 = 5A

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