The TPS73633DBVT LDO Voltage Regulator with Cap-Free NMOS 400mA is an integrated low-dropout (LDO) linear regulator manufactured by Texas Instruments. It has a chip size that is optimized for space-constrained applications. It features a low-noise 400mA output voltage regulation, adjustable output, and low quiescent current. The device is capable of supporting a wide operating range and offers an output voltage range from 1.2V to 5V. It is designed for applications which require stability, accuracy, and low quiescent current, such as automotive, industrial, and consumer electronics. The device has over-temperature protection capability and is capable of supporting a wide input voltage range. The TPS73633DBVT is an excellent solution for providing a reliable, low-noise, and efficient power supply in space-constrained systems.