LDO kan, tabi olutọsọna yiyọkuro kekere, jẹ olutọsọna laini idasilẹ kekere ti o nlo transistor tabi tube ipa aaye (FET) ti n ṣiṣẹ ni agbegbe saturation rẹ lati yọkuro foliteji ti o pọ ju lati foliteji titẹ sii ti a lo lati ṣe agbejade foliteji iṣelọpọ ti ofin.
Awọn eroja akọkọ mẹrin jẹ Dropout, Ariwo, Ratio Ijusilẹ Ipese Agbara (PSRR), ati Quiescent Current Iq.
Awọn paati akọkọ: Circuit ti o bẹrẹ, ẹyọ aiṣedeede orisun lọwọlọwọ igbagbogbo, Circuit mimuuṣiṣẹ, eroja n ṣatunṣe, orisun itọkasi, ampilifaya aṣiṣe, nẹtiwọọki resistor esi ati Circuit aabo, bbl