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Forum Post: Setting method of the current limiting resistor at LM5642EVAL-KIT

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Please teach us how to setting current limit for LM5642EVM.

We want to realize the following specifications with this EVM

Vin 24V / Vout1 12V / Iout 2.5V (Current Limit 2.995A)

When we set a current limit value, we need to change Rlim and Rsns.

"R1" on EVM is "Rlim" on DataSheet?

"R6" on EVM is "Rsns" on DataSheet?

Are the relations of Rlim and Rsns as follows?

Rlim=2.995*Rsns / 10μA

 

Best Regards

Tsuguhiko Asai


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