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Answer by Spehro Pefhany for Understanding the safe operating area for low...
I think you're calling it too close on the MOSFET rating. For an actual current of 8A continuous I would be starting with a datasheet "big print" continuous current rating in excess of 60A (often they...
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Answer by Andy aka for Understanding the safe operating area for low values...
does this mean that the MOSFET will not operate at all, or will itoverheat?Well, it's a safe operating area and the graph will use worst case values for the on-resistance of 20 mΩ (and it may even use...
View ArticleAnswer by RoyC for Understanding the safe operating area for low values of Vds
That sloping line that your operating point is just above represents where ID is limited by RDS not by power dissipation. The slope of that line is 22 milliohms which is the RDS at a Vgs of 4.5V. You...
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Understanding the safe operating area for low values of Vds
I am designing a circuit where a logic level signal switches an NPN BJT (Q1A) which turns a P-channel MOSFET (Q2) on as a high-side configuration to power a load (LOAD_100W) of up to 100W at 12V.My...
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