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Power system demonstration kit based on the PM6686 dual step-down controller with adjustable voltages and adjustable LDO

Posted: 29 Oct 2009 ?? ?Print Version ?Bookmark and Share

Keywords:power system? PM6686 LDO? step down controller?

The PM6686 is a dual step-down controller with adjustable output voltages, adjustable LDO and charge pump circuit for notebook power systems. The PM6686 demonstration kit for system supply represents a typical application circuit, and allows testing of all the functions of the PM6686 device. It provides two switching sections with 5V (OUT1) and 3.3V (OUT2) outputs from 8V to 28V input battery voltage. The operating switching frequency of the two sections is 400kHz and 300kHz, respectively. Each switching section delivers more than 5A of output current. An internal linear regulator can provide 5sV at 100mA peak current. The charge pump circuit provides an auxiliary 12V output voltage.

View the PDF document for more information.

Click here to view related datasheets.





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