Regulator 5V 3A by IC LA5105 posted on December 17, 2007 by TehnikService | Leave your thoughts This is circuit Regulator 5V 3A by IC LA5105. (easy circuit) To use transformer 4A. IC to Hold Heatsink. For Digital circuit. Posted in Circuit | Tagged: Power Circuit « XTal Tester 4 Watt FM Transmitter » Leave a Reply Cancel reply Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.