The NCV4276CDTADJRKG is an adjustable low-dropout (LDO) voltage regulator designed for use in harsh automotive environments. It delivers up to 400 mA of output current with a maximum dropout voltage of 500 mV and features an adjustable output voltage range from 2.5 V to 20 V with ±2% accuracy. The device incorporates robust fault protection features, including overcurrent and thermal overload protection, +45 V peak transient voltage tolerance, and -42 V reverse voltage protection. Housed in a 5-pin DPAK package and AEC-Q100 qualified, this regulator is ideal for various automotive applications requiring a stable and protected power supply.