Low-dropout regulator with auto-adjusting stability compenstion circuit

A low-dropout regulator with an automatic adjustment stability compensation circuit, the low-dropout regulator comprising:

• an analog virtual device driver;
• a compensation circuit;
• a P-type metal oxide semiconductor field effect transistor (PMOS);
• an error amplifier;
• a voltage reference;
• a load capacitance;
• a soft start circuit;
• a first resistor;
• and
• a second resistor;
• wherein a source of the PMOS is connected to the analog virtual device driver, a drain of the PMOS is connected to one end of the first resistor to form a node at the connection to output voltage, a gate of the PMOS is connected to the output of the error amplifier and the compensation circuit, the other end of the first resistor is connected in series with the second resistor, the other end of the second resistor is grounded, the load capacitance is connected in parallel with the first resistor and the second resistor, a non-reverse input terminal of the error amplifier is connected to the reference voltage, the reverse input terminal is connected to the connection point between the first resistor and the second resistor, a negative power supply terminal of the error amplifier is connected to the compensation circuit, and the soft start circuit is signally connected to the compensation circuit;
• and
• wherein the soft-start circuit detects a soft-start time of the low-dropout regulator, and determines a load capacitance value range, and controls the compensation circuit based on the determined load capacitance range.