你说的“前馈电容”是Cbypass吧,本来就是有它才能达到指标PSRR的。
a bypass capacitor (CBYPASS) bypass noise generated by the bandgap reference to improve PSRR
In most LDOs, the bandgap is the dominant noise source. If a noise reduction capacitor (CNR) is used with the…
Other Parts Discussed in Thread: TPS82140 , TPS7A88-Q1 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/748295/tps7a88-q1-thermal-derating-curve 器件型号:…