Circuit Schematic 3A Switching Regulator using LM317 IC

Eltronicschool. - Other circuit for switching regulator application is like in figure 1 below. From this circuit schematic that the main component that used to regulate the voltage is LM317 IC that can deliver more than 3A output.

Circuit Schematic

Figure 1. Circuit Schematic 3A Switching Regulator using LM317 IC
(Source: Circuitstoday)

Component List

1. Resistors (See R1 - R6)
2. Capacitors (See R1 - R4)
3. Inductor (L1 = 600uH)
4. D1 = IN3880
5. Q1 = 2N3792
6. IC1 = LM317K

Description

Circuit schematic like in figure 1 above is Circuit Schematic 3A Switching Regulator using LM317 IC. The electronic circuit given here is of a simple and low cost switching regulator using the IC LM317 that can deliver up to 3A of current. The input voltage range of this circuit is between 8 to 35V DC and the output voltage can be adjusted between 1.8 to 32V DC. The output voltage can be adjusted by using the POT R4.