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how to simulate regulator's stability?

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qutang

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does we can simulate the error amp's stability single?or connect the pass transistor?
 

You can look here.

**broken link removed**
 

For a regulator you must search dynamic characteristics there are several test. One of them is to test the response to load change. If your regulator gives 1 AMp maximum, you must have two charges one of 10% of 1 AMp, and the other 90% of the 1 AMp.

You must start from 10% full charge and then change to 90% of full charge, and after a time the inverse. You must check the output voltage with a osciloscope and verify the oscilation (natural frequency) and how much tim takes to decrease to zero. The other factor is how much the signal goes high (it refears to dumping factor).
 

In OTA plus pass devices structure, is it right to ac simulation with different current loading?
 

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