> [And more importantly, how in the name of God does a device which only has 
> access to a few milliwatts manage to get warm enough to physically melt??]

Chips normally draw milliwatts, they have access to much more.
The power supply is something like 500+ watts transient until a
fuse pops or something. A soldering iron draws around 20 watts...
so if you are drawing 200 watts (normal operation) it's equivalent
to running 10 soldering irons.

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