Mar 15, 2010 #1 J Joana Newbie level 5 Joined Sep 12, 2009 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location France Activity points 1,330 1 Device that has 4 supplies : +-12,+-5 Is anyone know such device? Thanks Jo.
Mar 20, 2010 #2 B BuckySparks Member level 1 Joined Mar 20, 2010 Messages 36 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Location Texas, USA Activity points 1,466 Not sure input voltage or output currents, but a flyback converter with a multi windings for the outputs could work. https://focus.ti.com/lit/an/slua046/slua046.pdf https://focus.ti.com/lit/ug/sluu176/sluu176.pdf Here is a simple way of generating +/- supply with a catalog coupled inductor. **broken link removed**
Not sure input voltage or output currents, but a flyback converter with a multi windings for the outputs could work. https://focus.ti.com/lit/an/slua046/slua046.pdf https://focus.ti.com/lit/ug/sluu176/sluu176.pdf Here is a simple way of generating +/- supply with a catalog coupled inductor. **broken link removed**
Mar 20, 2010 #3 K karesz Advanced Member level 5 Joined Apr 13, 2008 Messages 2,328 Helped 327 Reputation 654 Reaction score 52 Trophy points 1,328 Location EU Activity points 14,592 Salu Jo, you must give more data knowed for serious answering... k.