SD6303E33A is a 6V, 3A switching voltage regulator with 1/3A output current capability, housed in the SOT23-3 package. It is RoHS compliant and manufactured by Shouding. This voltage regulator features low dropout voltage, high efficiency, and a wide input and output voltage range. It is suitable for applications such as consumer portable electronics, automotive, industrial, and communication devices. This device also has a wide temperature range, from -40°C to 125°C. The internal circuit has a current limit protection and frequency jittering. Additionally, the SD6303E33A is capable of handling complicated load transients to meet the fast transient response. The device is protected against overcurrent, overvoltage, reverse polarity, and over-temperature conditions.