Low-dropout linear voltage regulator, driving chip and driving method thereof, and electronic device

Abstract

Embodiments of the present application provide a low dropout linear voltage stabilizing circuit, a display panel driving chip and a driving method thereof, a display device and an electronic device. The low dropout linear voltage stabilizing circuit comprises: an operational amplifier, a non-inverting input end of which is connected with a voltage reference source, a same-phase input end of which is connected with a first end of a feedback resistor, and which is used for outputting a control signal; the voltage reference source is a voltage reference source with variable voltage value and / or the feedback resistor is a resistor with variable resistance value; a regulating transistor control electrode is used for receiving the control signal, a first electrode thereof is connected with an input end, and a second electrode thereof is connected with a second end of the feedback resistor and an output end respectively; the voltage reference source is used for adjusting a voltage value input to the non-inverting input end according to a received regulating signal; the feedback resistor is used for adjusting a voltage value input to the same-phase input end according to the received regulating signal; and the regulating signal is a signal output according to a comparison result of a bit error probability of received data of a load circuit and a target bit error probability.

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