Quick-start LDO circuit adopting depletion type NMOS tube

The invention provides a quick-start LDO (Low Dropout Regulator) circuit adopting a depletion type NMOS (N-channel Metal Oxide Semiconductor) tube, which relates to the technical field of integrated circuit power management chips and comprises a current mirror module, a sampling and filtering module, a load voltage division module, an error amplification module, a power output module and a voltage starting module, the current mirror module is electrically connected with the sampling filtering module, the load voltage division module, the error amplification module, the power output module and the voltage starting module; the sampling filtering module is electrically connected with the error amplification module and the voltage starting module and is used for receiving the reference voltage input by the second reference power supply; the load voltage division module is electrically connected with the error amplification module; the error amplification module is electrically connected with the power output modu