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ADM2587E supply current to external load

Question asked by Hiroyuki.D on Jul 31, 2018
Latest reply on Aug 17, 2018 by ConalW



According to Data Sheet Page19, the ADM2587E can typically supply 15 mA externally on VISOOUT when the driver is switching at 500 kbps loaded with 54Ω, while the junction temperature of the part is less than 120°C.


Actually a customer uses Rt=45Ω. In this case, we would like to know how to calculate the supply current externally on VISOOUT.