LM317 LD1117 series, 78xx regulator fixed output voltage of the regulator IC in a similar or models have adjustable LD1117 production of SGS Thomson LM1117 national production also produces in different companies, but I do not remember the exact... Electronics Projects, 800ma Power Supply Circuit LD1117 "power electronic projects, power supply circuit, power supply project, simple circuit projects, " Date 2019/08/03