Patent ID: 11966245
Assignee: FOCALTECH ELECTRONICS (SHENZHEN) CO., LTD.
Field: Control (Instruments)
Classification: CPC G  H | IPC G

Claim 10:
11. The low power consumption power supply system according to claim 4,
wherein the voltage regulator circuit comprises a sixth PMOS tube, a seventh PMOS tube, an eighth PMOS tube, a ninth NMOS tube, a tenth NMOS tube, a resistor, and adjustable resistor,
wherein a source of the sixth PMOS tube is connected to the second power source, a gate of the sixth PMOS tube is connected to a drain of the sixth PMOS tube, and a gate of the sixth PMOS tube is also connected to a seventh PMOS tube, a source of the seventh PMOS tube is connected to the second power source, a drain of the seventh PMOS tube is connected to a gate of the eighth PMOS tube, and a source of the eighth PMOS tube is connected to the second power source, a drain of the eighth PMOS tube is grounded through the adjustable resistor and the resistor in turn, a drain of the seventh PMOS tube is connected to a drain of the tenth NMOS tube, and
wherein a gate of the tenth NMOS tube is connected to the reference voltage output terminal, a source of the tenth NMOS tube and the source of the ninth NMOS tube are grounded through a current source, the drain of the ninth NMOS tube is connected to the drain of the sixth PMOS tube, and the gate of the ninth NMOS tube is connected to the node between the adjustable resistor and the resistor, and the node between the drain of the eighth PMOS tube and the adjustable resistor is used as the power supply output terminal.