Thread: "Powerbrickless" wall charger?
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j.s is offline j.s
2011-01-10 , 23:39
Posts: 486 | Thanked: 251 times | Joined on Oct 2009
#6
Originally Posted by James_Littler View Post
How about an iPhone USB wall charger with the n900 USB cable.
As for reducing the transformer, are you aware of the internals of said 'wall brick', or indeed what is actually happening?
You are transforming 240vAC to 5vDC. There has to be room for the coils!
Switching power supplies don't use transformers. There may be some small inductors, but they are not part of a transformer.
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The Mini-USB plug is an improvement over both the Type B plug and the Micro-B plug.