Simple Regulated DC without Regulator IC, Yes here is the Simple Regulated DC supply circuit without any Regulator IC. Transistor 2N1613 gives Regulated DC supply from un Regulated DC input. Here Variable Resistor R2 Changes the output voltage and current levels.
Components List
| S.No | Name | Quantity |
| 1. | Diode 1N4007 | 4 |
| 2. | Capacitor 1000uF | 1 |
| 3. | Transistor(NPN) 2N1613 | 1 |
| 4. | Resistors 470R & 1K | each1 |
| 5. | Variable Resistor 10K | 1 |
| 6. | Stepdown Transformer 230V to 15V / 500mA | 1 |