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TPS62090 - IFB over 5uA

Hirotaka Matsumoto
Guru 27585 points
Other Parts Discussed in Thread: TPS62090

Hi all,

Would you mind if we ask TPS62090?

<Question>
The P14 datasheet shows "When sizing R2, in order to achieve low quiescent current and acceptable noise sensitivity, use a minimum of 5µA for the feedback current I FB ."

Our customer will use following constants
-R1：47KΩ
-R2：15KΩ
-IFB=53.3μA

So, IFB is over 5uA, it will be good effective, won't it?

We need your help.

Kind regards,

Hirotaka Matsumoto