Analyze the stability of LDO, firstly establish an error amplifier macro model, then based on this model setting up a LDO model, and study the compensation of it.

• 在分析LDO输出稳定性方面，首先建立了误差放大器的宏模型，然后从放大器宏模型出发建立LDO模型，并以此为基础研究LDO的补偿。