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Raspyfi (raspberry pi) regulators
Raspyfi (raspberry pi) regulators
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Old 18th November 2013, 07:59 AM   #1
kentxon is offline kentxon  Hong Kong
diyAudio Member
 
Join Date: Dec 2011
Location: Hong Kong
Default Raspyfi (raspberry pi) regulators

Search on the net, nothing much found about:
To improve cleaness PS for raspberry(raspfi)?
Any
better ideas modify onboard regulators except
building a linear 5v power supply(LT3080/LT1083)?



seaward electronic SE8117 3.3v regulator.
raspberry_rev2_ps_pic1 - Copy_nEO_IMG.jpg
se8117 schematic.jpg

*RG2 on raspberry pi rev2.0 schematic
raspberry_rev2_ps_schematic.jpg
Both regulators has an tantalum caps for output (are they bad?)
RG2 3.3v has a 47u (c11)
RG1 1.8v has a 47u (c9)

Schematic for Raspberry Pi Rev.2 pcb
http://www.raspberrypi.org/wp-conten...sue2.2_027.pdf
*some early version of raspberry board has a flaw affected, if experience network cutoff streaming music,
shall take a look [Link]


SE8117T33 Datasheet

http://pdf.dzsc.com/SE8/SE8117.pdf



Last edited by kentxon; 18th November 2013 at 08:05 AM.
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