There are many types of pwm voltage regulator circuits.
1. According to the type of output current, it is divided into DC voltage regulator circuit and AC voltage regulator circuit.
2. According to the connection mode of pwm voltage regulator circuit and load, it is divided into: series voltage regulator circuit and parallel voltage regulator circuit.
3. According to the working state of the adjustment tube, it is divided into linear voltage regulator power supply and switching voltage regulator power supply.
4. According to the circuit type, it is divided into: simple voltage regulator, feedback voltage regulator and voltage regulator circuit with amplification link