The L4940 series is a three-terminal positive regulator with precise 5V, 8.5V, 10V, and 12V outputs. It has very low dropout voltage and quiescent current, making it suitable for a wide range of industrial and consumer applications. These devices are particularly suitable for battery-powered equipment, reducing consumption and prolonging battery life. Each type has internal current limiting, antisaturation circuit, thermal shutdown, and safe area protection.