Quote:
Originally Posted by Kevin Kuehn
Can you predict how much headroom they would design in, for example 500ma, or would they run much closer to the limit?
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There should be a knee at just over 1 amp. So the voltage should stay at 5.0 volts up to the knee. I would suggest 0.6v is a good maximum where the roll off begins. In normal operation, it should be running with no more than 0.4 v or so across the resistor