Error Amplifier Design

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captab

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Hi,

Can anyone plaese tell me how to design an Error Amplifier for voltage mode buck converter.The Error Amplifier is of compensation PI type. I am perticularly inetersted in the design of Amplifier than the compensation.

Thanks,
Captab
 

a good chapter.
 
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    vsm888

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Hi qutang,

Thanks for the good link.As per the link, the Error Amplifer is modeled as gm with Rout.But when we get to the actual system, do we need a closed loop form of the Error Amplifer which will produce output voltage linearly varying as per Vout-Vref?

Thanks,
captab
 

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