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Peak Current Mode Control DC Gain

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appsee

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The current mode control loop transfer function has a DC gain term that is proportional to Rout/Rsense.

I've seen datasheets often give the formula for Rout as

Rout = Vout/Iout.

What if the load is actually a current source with an output impedance of R_cur_src. In this case, would we continue to use:

Rout = Vout/Iout or
Rout = R_cur_src
 

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