Regulated DC Power Supply Circuit

Below is the regulated DC power supply( 12, 8, 5 v) circuit. This circuit can be customized by adding 9v and 6v voltage regulator.

Also, the 4 diodes can be replaced by bridge rectifier.

Parts list:

1. T1 – Step down transformer 0-15v
2. D1-D4 – 1N4007
3. SW1 – On/off switch
4. SW2 – 4 pole rotatory switch
5. F1 – Fuse
6. LED1 and LED2 – Red and Green led or Bi polar led
7. C1 -1000 μ 25-35v
8. C2 – 100 μ 25-35v
9. C3 – 0.1 μ
10. C4 – 0.1 μ
11. C5 – 100 μ 25-35 v
12. IC1 – 7812
13. IC2 – 7808
14. IC3 – 7805

If you are looking for a variable power supply then click here