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I_mon accuracy of LT3089

Question asked by lehmkau on Jul 2, 2018
Latest reply on Jul 2, 2018 by ARad

Hello guys,

 

I am using the LT3089 for regulating the voltage and measuring the output current I_out simultanousely. The monitor current I_mon should be 1/5000 of I_out.

 

There are neither details about the accuracy nor the drift of I_mon.

 

My measurements showed that I_mon is about 5 % to 10 % higher than 1/5000 of I_out.

 

Is it still within the specifications or is there way to compensate this effect for higher monitor accuracy?

 

Best regards

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