Diy multi Power Supply?

Started by carboncomp, March 08, 2012, 01:30:21 PM

Previous topic - Next topic

carboncomp


Hello!

Really need to build a multi Power Supply for my pedalboard like the AMZ power supply, anyone got a vero layout or schematic for something similar WITH all the values on it?

carboncomp

......and instead of tacking on multiple +9v off from the single regulator, could I instead run multiple -9v from the IC1 (MAX1044???).   

carboncomp


Andr3as

My suggestion is that you find a 9-18V PSU that you don't need, cut it open and use some LMxxx DC regulators to get the voltages you want...
It's a tight fit, but i squeezed a LM7809 into a PSU for 12v, and got 9v regulated out.. Also added a pink LED for the mojo  :icon_wink:

darron

Quote from: carboncomp on March 08, 2012, 09:38:54 PM
......and instead of tacking on multiple +9v off from the single regulator, could I instead run multiple -9v from the IC1 (MAX1044???).   

from memory you can draw bugger all current from a max1044... so maybe not a good idea.
Blood, Sweat & Flux. Pedals made with lasers and real wires!

Mike Burgundy

#5
Check the spyder PS at GEO. Built it using a sackfull of small 9V transformers (rated for 9V, turned out to have enough overvoltage at load after rectification, churns out regulated 9VDC like a charm), two regulators per transformer output so I have isolated groups of 2. Anything you want to add-on (12V - use an appropriate transformer and regulator/sag use an adjustable regulator/positive ground neg regulator on isolated group - no need for charge pumps etc) should be straight forward.  Has the added bonus of isolated groups to prevent ground loops.
edit: spelling, and overvoltage