Low-dropout linear voltage stabilizing circuit

A low-dropout linear voltage stabilizing circuit comprises an input filter circuit, a current limiting circuit, a startup and shutdown circuit, low-dropout voltage stabilizing circuits, an output voltage regulating circuit, a current sharing circuit and an output filter circuit, the two low-dropout voltage stabilizing circuits are connected in parallel for use, and the current sharing circuit and the startup and shutdown circuit are added. The problem of thermal stress of a low-dropout voltage-stabilizing circuit under low voltage and large current is solved, low-voltage, large-current and high-stability voltage output is realized to a certain extent in a large-current application occasion of a low-dropout voltage-stabilizing chip, and the problem of high heat consumption of the low-dropout linear voltage-stabilizing chip caused by large current can be greatly reduced. 一种低压差线性稳压电路，包括输入滤波电路、限流电路、开关机电路、低压差稳压电路、输出电压调节电路、均流电路、输出滤波电路，通过将两个低压差稳压电路并联使用，增加均流电路与开关机电路，解决了低压差稳压电路在低电压大电流下器件热应力问题，实现了低压差稳压芯片的大电流应用场合，在一定程度上