The MC34063ECD-TR is a voltage regulator and switching regulator from STMicroelectronics. It is capable of regulating a voltage input of 3.0 V up to 40 V DC-DC, allowing for conversion between different voltages in a circuit. It also features integrated protection against voltage spikes, overvoltage, and over-temperature as well as reverse-parameter sensing. This chip is designed for cost- and space-sensitive applications, such as power control for led lighting applications, battery powered devices, and automotive applications. The MC34063ECD-TR allows for a wide variety of applications due to its low-cost, high-efficiency, and low-standby-current characteristics.