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TPS62090-Q1: Difference in inductor ripple current formula in datasheet for TPS62090 vs in datasheets for TPS62823 / TPS62826/TPS62060

shubhangi bagal
Prodigy 85 points
Part Number: TPS62090-Q1
Other Parts Discussed in Thread: TPS62826, TPS62823, TPS62090

The datasheet for TPS62823 / TPS62826  mention following formula for inductor ripple current:

 

While the datasheet for TPS62090 mentions following formula:

 

Can you please let us know why is there a difference in above formulae (first formula does not consider efficiency while the second formula considers it)??