The MSKSEMI MS78L33 is a low-dropout (LDO) Linear Voltage Regulator in a SOT-89 surface mount package that meets the requirements of the Restriction of Hazardous Substances (RoHS) directive. This device is optimized for use in space-constrained DC-DC applications such as cellular phones, MP3 players, and notebook computers where low power consumption and accurately-regulated AC/DC power supplies are essential. The MS78L33 offers an output voltage adjustable from 1.25V to 17V, with an input voltage of up to 20V at up to 200mA. The device features a low quiescent current of just 10µA, wide operating temperature range (-40°C to + 125°C), and fast transient response time of 6µs. This versatile device is protected against short circuit, reverse voltage, and over-temperature fault conditions, offering a dependable solution for power management in a wide diversity of applications.