The RT9198-33GBR is a low-dropout regulator designed and manufactured by Richtek. It is a SOT-23-5 package with RoHS compliance. This regulator device provides a fixed output voltage of 3.3V with a 0.2% accuracy, and has a low dropout voltage of 200mV at 1A. It also features a fast transient response time of 1.3µs and excellent line and load regulation. The maximum output current of this device is 1A and the maximum junction temperature is of 125°C. This device provides protection against reverse current, short circuit, over-current protection. It is suitable for use in various applications, such as consumer electronics, battery operated products, power management, automotive systems and defense and aerospace systems.