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

Claim 5:
6. The low power consumption power supply system according to claim 5,
wherein the output voltage reference circuit comprises a fourth PMOS tube, a fifth PMOS tube, a sixth NMOS tube, a seventh NMOS tube, and an eighth NMOS tube,
wherein a source of the fourth PMOS tube is connected to the first power source, a gate of the fourth PMOS tube is connected to the drain of the third PMOS tube, a drain of the fourth PMOS tube is connected to a drain of the fifth PMOS tube, and a gate of the fifth PMOS tube is connected to a drain of the fifth PMOS tube, a gate of the fifth PMOS tube is also connected to a gate of the sixth NMOS tube, and wherein
a source of the fifth PMOS tube is connected to a drain of the sixth NMOS tube, a source of the sixth NMOS tube is connected to a source of the fifth NMOS tube, a gate of the seventh NMOS tube is connected to a gate of the fourth PMOS tube, and a source of the seventh NMOS tube is connected to the first power supply, a drain of the seventh NMOS tube is connected to a drain and a gate of the eighth NMOS tube, a source of the eighth NMOS tube is connected to the drain of the sixth NMOS tube, and a drain of the eighth NMOS tube serves as the reference voltage output terminal.