Power supply circuit of satellite-borne infrared detector

The utility model discloses a power supply circuit of a satellite-borne infrared detector, which comprises an input power supply, a main output power supply module, a time sequence control circuit and a detector load, and is characterized in that the input power supply is respectively connected to the main output power supply module and the time sequence control circuit; the main output power supply module is connected to the first detector load, the time sequence control circuit is formed by connecting N stages of time sequence division control circuits in series, the N stages of time sequence division control circuits are respectively connected to the second detector load to the Mth detector load, M-N = 1, and N is greater than or equal to 1; the time division sequence control circuit comprises a clamping circuit, a voltage division circuit and a voltage division output power supply module. And the output of the main power supply output module is also respectively connected to the voltage division power sup