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Old 13th December 2003, 07:58 PM   #1
sma is offline sma  Indonesia
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Join Date: Dec 2003
Location: jakarta
Default NEED DC to DC Converter

Hi,

Please help with schematic or your diy kit for dc -dc converter.

i need input 12v (9-15 volt)
output:+/0/- 15volt @100mA or bigger

I need very low noise DC-DC converter,because this for car preamp application.i already test some DC-Dc converter from mouser but still found the sound is not clean...please advice
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Old 13th December 2003, 08:50 PM   #2
paulb is offline paulb  Canada
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Take a look at this one:
http://sound.westhost.com/project69.htm
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Old 14th December 2003, 12:21 PM   #3
Alcaid is offline Alcaid  Norway
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Location: Klepp
Have anyone tried MAX742?

http://pdfserv.maxim-ic.com/en/ds/MAX742.pdf

Schematics are in the data sheet. Just need to regulate the car's voltage down to 5V. Looks very easy, but I've got no idea how much noise the switch-mode would make.
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Old 16th December 2003, 06:24 AM   #4
sma is offline sma  Indonesia
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maybe who already succes made low noise dc-dc converter,i interest for purchase....
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