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WEBENCH® Tools/LM3940: LM3940

Part Number: LM3940

Tool/software: WEBENCH® Design Tools

Hi,

Need to know  the efficiency of LM3940 LDO. or any application note or formula for efficiency calculation.

generally i take 65 to 70% efficiency for LDO. but i need to know the efficiecny calculation formula for input curent calculation of my design.

Thanks& Regards

Dhiren