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Q&A Capacitors of voltage regulators [closed]

Assuming we have a voltage regulator : Why do we have to ground Vin and Vout using 2 capacitors just like that?Co could be to provide a low resistance path to GND at high frequencies but what is...

0 answers  ·  posted 3y ago by MissMulan‭  ·  closed 3y ago by Olin Lathrop‭

Question capacitor voltage voltage-regulator
#2: Question closed by user avatar Olin Lathrop‭ · 2021-10-10T19:36:35Z (over 3 years ago)
#1: Initial revision by user avatar MissMulan‭ · 2021-10-10T18:28:48Z (over 3 years ago) 
Capacitors of voltage regulators
Assuming we have a voltage regulator :

![](https://electrical.codidact.com/uploads/qvcwiw5cLSoLWSigewwvvezS)

Why do we have to ground Vin and Vout using 2 capacitors just like that?Co could be to provide a low resistance path to GND at high frequencies but what is the role of Ci?
capacitor voltage voltage-regulator