Small USB Device Charger
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This advance tiny USB battery powered charger is handy tools for your need. You can use it to charge almost all devices which are charged via USB, like iPods or mobile phones, with only two AA-Cells. The Most important compenent of the cicuit LT1301. This is a small step up converter for to build switching mode power supplys with only a few external components.
tag : USB Charger, Battery Powered Charger, Small Charger (src)
Download :tag : USB Charger, Battery Powered Charger, Small Charger (src)
Schematic and document
