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Honored Contributor I
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EN5329QI efficiency vs Iout experiment

Hi 

 

I built a circuit according to recommended schematic in the datasheet and measured efficiency vs Iout to satisfy the figure in the datasheet.  

 

Conditions;  

Ca = 8.6pF, 

Cout = 2x22uF 

Vin = 5V, 

Ra=348.5k ohm , 

Rb= 75k,110, 162k,221k,357k 511k (testing in various Vout). 

 

According to outcomes of the measurements, I create following graphic. And all results includes in the attachment. 

 

 

 

 

 

 

There is almost %20 difference on efficiency between my measurements and datasheet. 

Do you have any idea about this?
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