Linear voltage regulator, chip and electronic equipment

The invention discloses a linear voltage regulator, a chip and electronic equipment, the linear voltage regulator comprises a band-gap reference circuit, a voltage control module, a low-pass filter circuit and a linear voltage stabilizing circuit, the linear voltage stabilizing circuit adopts a double-loop design and comprises a first loop and a second loop, the narrow-band first loop using the two-stage error amplifier can achieve low noise of the linear voltage regulator and good power supply suppression performance at low frequency, the second loop using the triode amplification stage is a broadband loop with large loop gain, and good power supply suppression performance of the linear voltage regulator at intermediate frequency can be achieved. And a transient improvement circuit is also applied in the linear voltage stabilizing circuit, so that the overshoot voltage and the undershoot voltage of the output voltage during load switching can be reduced. The method can be widely applied to the fields of comm