The LM337 is a three-terminal negative voltage regulator designed to provide fixed negative voltage outputs for a wide range of applications. With a maximum input voltage of -40V and output voltage adjustable within a range of -1.2V to -37V, this versatile regulator is ideal for a variety of electronic devices and circuit designs. It features thermal overload protection, short circuit protection, and safe area protection, ensuring the safety and reliability of the regulated negative voltage output. The LM337 is available in a variety of packages, making it suitable for use in different types of electronic equipment and systems. Whether used in power supplies, voltage regulators, or other electronic applications, the LM337 delivers stable and precise negative voltage regulation. With its wide operating temperature range and low dropout voltage, the LM337 is a trusted and dependable choice for engineers and designers seeking an efficient and reliable negative voltage regulator solution.