Low dropout regulator and electronic device

An electronic device, comprising a low dropout regulator, the low dropout regulator comprising:

• an operational amplifier, a power transistor, a compensation capacitor, a resistance feedback unit, a control unit, a first capacitor and a second capacitor, wherein
• an inverting terminal of the operational amplifier is connected to a reference voltage, a non-inverting terminal of the operational amplifier is electrically connected to an output terminal of the resistance feedback unit, and an output terminal of the operational amplifier is electrically connected to a first electrode plate of the compensation capacitor and a control terminal of the power transistor;
• a first terminal of the power transistor is connected to a power supply voltage, a second terminal of the power transistor is electrically connected to an input terminal of the resistance feedback unit, a second electrode plate of the compensation capacitor, a first electrode plate of the first capacitor and the control unit, and a second electrode plate of the first capacitor is electrically connected to a grounding terminal;
• and
• the control unit is electrically connected to a first electrode plate of the second capacitor, a second electrode plate of the second capacitor is electrically connected to the grounding terminal, and the control unit is configured to control the first electrode plate of the second capacitor to be connected to the second terminal of the power transistor, or to be disconnected from the second terminal of the power transistor;
• wherein the control unit comprises at least one main switching transistor and a main control module, a gate of each of the at least one main switching transistor is electrically connected to the main control module, a first terminal of each of the at least one main switching transistor is electrically connected to the second terminal of the power transistor, and a second terminal of each of the at least one main switching transistor is electrically connected to the first electrode plate of the second capacitor.