最近也在跑cascode补偿,瞬态的时候虽然很多论文都说跟Q值有关,但是我觉得是有问题的
在这篇IEL中的论文提到过 Multiple-Loop Analysis and Design for Fast-Transient Capacitor-less LDO with Dual-Path Compensation and Zero-Pole placement in 65-nm CMOS,cascode补偿会产生一个fast-loop和一个main-loop,都要稳定才可
这是我们参考的论文:
Design-Oriented Analysis for Miller Compensation and Its Application to Multistage Amplifier Design
A 0.016-mm2 144-μ W Three-Stage Amplifier Capable of Driving 1-to-15 nF Capacitive Load With >0.95-MHz GBW