The Texas Instruments PTN78000AAZ is a DC-DC converter designed to provide a regulated output voltage of -15V to -3V with a maximum output current of 5A and a maximum output power of 75W. This converter is ideal for applications that require a wide range of output voltages and high power levels. It features a wide input voltage range of 4.5V to 18V, a high efficiency of up to 95%, and a low quiescent current of only 10mA. The PTN78000AAZ also has a wide temperature range of -40°C to +85°C and is protected against over-voltage, over-current, and short-circuit conditions.

The PTN78000AAZ is suitable for a variety of applications, including industrial, automotive, and medical. It can be used to power a wide range of devices, such as sensors, actuators, and displays. It is also suitable for powering FPGAs, ASICs, and other digital logic circuits. The PTN78000AAZ is a reliable and cost-effective solution for powering a wide range of applications.