load regulation in a Bandgap reference

[Chethan]

Hi,
can someone tell me how to do load regulation setup for the BGR simulation. Should I use a resistive type of load, If yes how much should be the resistor value.

thanx in advance

 

[paulux]

Yes, use R load to test load regulation of bandgap. Just the same way as regulator load regulation test.
The value of R load depends on the current available for sinking/sourcing without affecting the accuracy of the output voltage.

 

[ambreesh]

Hi,
BGR' are usually not designed to sink or source current.
But if you source or sink current into a BGr how does the reference voltage change.
A DC characteristic.

 

[Chethan]

Yes, use R load to test load regulation of bandgap. Just the same way as regulator load regulation test.
The value of R load depends on the current available for sinking/sourcing without affecting the accuracy of the output voltage.

Hi paulux,
thanx for the reply..But i didnt get the concept of BGR sourcing/sinking current. Can u provide me some material or links regarding this. can u upload the ckt of how to do this load regulation for BGR.

thanx in advance

 

[v_c]

Take a look at this document

**broken link removed**

I think it answers your questions.

Best regards,
v_c

 

[bharatsmile2007]

Hi all,

I am designing a BGR.Can u pls explain me the simulation setup for finding out load regulation?

Thanks