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TPS62067-Q1: Output Accuracy Estimation

Part Number: TPS62067-Q1

Dear, Sir.

My customer is evaluation TPS62067-Q1. Now, they would like to estimate the

output accuracy on the product.

The datasheet defines the typical value of VFB(PFM) as 1%.

The other side, Figure 15 shows the accuracy on 1.8V output, it looks +2.2% from


I weonder it means that the worst case(max.) accuarcy on TPS62067-Q1?

OR VFB(PWM) = +- 1.5%, so +2.2% +- 1.5% would be max. & min. ?

Please give your advice.

Best Regards,

H. Sakai