... pulzny DC-DC menic vyzera asi takto http://www.onsemi.com/pub/Collateral/LM2576-D.PDF strana 21, figure 34 "1.2 to 35 V Adjustable 3.0 A Power Supply with Low Output Ripple"
- jeden IO s 5 vyvodmi a 5 suciastok, cele sa to vojde na 3cm x 3cm a netreba chladic