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TPS62821: Feed forward value

Part Number: TPS62821

Hi, 

I'm using a potential divider that has R2=10k. The feed forward capacitor equation (5) in the datasheet suggests that this would require a feed forward capacitor of 1200pF. In the past, I've only seen feedforward capacitor values in the low 100pF ranges so this seems quite large - is 1200pF a sensible value to use here?

Is there a feature in Webench where I can specify my potential divider and have it re-calculate surrounding components such as the feed forward capacitor? If I update the resistor divider, then nothing else updates to reflect these changes.

Many thanks