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Re: what these two word mean? PID and PI in dc-dc compensati
P means proportional, such as a resistor makes the feedback compensation loop,Vout/Vin=-Rf/R1.
I means integral, such as a capacitor makes the feedback compensation loop, Vout=(-1/(R1*C))*∫Vin dt, or Vout=-1/(S*R1*C)*Vin.
D means differential, such as the input signal pass a capacitor and a resistor makes the feedback loop, Vout=-S*C*Rf*Vin.
Regarding the PI and PID in DC-DC compensation, pls see the picture!
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