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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


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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Join Date: Jun 2001
Location: Calgary
Take a look at this one:
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Old 14th December 2003, 12:21 PM   #3
Alcaid is offline Alcaid  Norway
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Join Date: Nov 2003
Location: Klepp
Have anyone tried MAX742?

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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Join Date: Dec 2003
Location: jakarta
maybe who already succes made low noise dc-dc converter,i interest for purchase....
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