PS-7109 is a power supply module manufactured by Bel Fuse. It is a high-efficiency, wide-input-range DC-DC converter with a fully integrated power stage. It offers an output of 9V and an input voltage range of 9V to 36V. It has an efficiency of up to 92 percent, reducing power loss and operating temperature while increasing system reliability. This allows the PS-7109 to generate more power with less heat. The module also features over-voltage, over-temperature and over-current protection with a large headroom. It is designed to provide the highest performance and reliability for a wide range of applications, from industrial to automotive and medical.