Hello Guys. At the schematic below, you can see a circuit that I picked from a datasheet. In this circuit, I should expect a maximum current of 4 A flowing at the fake resistor of 0.0001 ohms. Unfortunately, after I brought the circuit to the real world, I attained a maximum current of 2.40 A. What could be the cause of this problem? I used two integrated circuits, a LM338 TO-220 and a LM317T.