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What is the approximate efficiency of the LMD18245?

April 26, 2017approximate efficiency lmd18245

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What is the approximate efficiency of the LMD18245?

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There is actually no hard data on this, but using the data sheet parameters provided as Iq = 15mA(max)@Vcc = 20V, Iload = 3A (max Load), Rds(on) = 0.6 Ω (max) , the worst case efficiency of the device (not including external components) can be calculated to be approximately 80%.