The VRTH-03 is a low noise, temperature compensated, low voltage regulated power supply module from Zhaoxin. It has a wide input voltage range of 4.5V to 28V, and a low output voltage range from 3.2V to 23V. The module has a high conversion efficiency, up to 98%, and can provide up to 1000mA. It is equipped with a low quiescent current of 2.8mA and provides a 0.1% accuracy adjustment. Other features include over current protection, thermal protection, voltage monitoring, and short circuit protection. It is a very versatile module suitable for a wide range of applications.