Linked by Thom Holwerda on Mon 21st May 2012 21:12 UTC
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Member since:
2012-05-22
I agree you.
There's no hi-tech feature in this circuit at all... All of these are common electronic components in a common switching power supply design. Delivering 5VDC up to 5W is fairly easy to achieve. Otherwise compare my laptop's power supply that delivers 18V @ 6.5A (117W): it is not much bigger than the iPhone's charger (considering its high power features).
The only innovation I see is the fact of distributing components along the 3 dimensions instead of distributing them in 2 dimensions, as usual.