Power Supply 5V 1.3/3A by LM2575
POWER1 is a switched power supply specially designed for use with modern single board computers. The mechanical dimensions match exactly those of the SBC ZWERG11A. Due to the small mechanical dimensions and the modern design, POWER1 can be used in all applications requiring a regulated voltage of 5 Volts DC, up to 3 Amperes. Voltage regulation is done with a component from National Semiconductor, known as “simple switcher”. Regarding the amount of extra components one can really call the design “simple”, yet resulting in a reliable and low-cost power supply.
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Read More Source:
http://www.mct.net/product/power1.html
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