The L78L12ACZ is a three-terminal, fixed output voltage linear voltage regulator manufactured in a TO-92 (Thin Plastic Package) package by STMicroelectronics. The device provides a 12 Volt output within a -0.3 to +0.3V regulation range and has a current rating of 0.1 A. It operates within a 0° to 125°C temperature range and provides excellent line and load regulation with a maximum output voltage tolerance of ±4%. The device is ideal for portable device, and personal computer applications.