Fits hardware category better than just Apple,
it explains how a SMPS works - pretty much all of this applies even to SGI PSU's...
http://www.arcfn.com/2012/05/apple-iphone-charger-teardown-quality.html
it explains how a SMPS works - pretty much all of this applies even to SGI PSU's...
http://www.arcfn.com/2012/05/apple-iphone-charger-teardown-quality.html