Introducing the LM5165YDRCR, a high-performance synchronous buck regulator designed to deliver efficient power conversion in a compact form factor. This device is designed to meet the demands of various applications such as industrial control systems, telecom infrastructure, and automotive applications. The LM5165YDRCR features a wide input voltage range of 4.5V to 105V, making it suitable for a variety of input sources such as batteries, supercapacitors, and high voltage power supplies. With an adjustable output voltage range from 0.8V to 93%VIN, it provides flexibility for various output voltage requirements. This regulator utilizes a proprietary Emulated Peak Current Mode control scheme, ensuring excellent transient response and stable operation even during load fluctuations. Its integrated low on-resistance MOSFETs minimize power losses and improve efficiency, enabling high power conversion efficiency of up to 95%. In addition, the LM5165YDRCR offers a comprehensive set of protection features including overvoltage protection, thermal shutdown, and input undervoltage lockout. These features ensure reliable operation and protection against potential faults. With its high efficiency, wide input range, and comprehensive protection features, the LM5165YDRCR is an ideal choice for demanding applications that require a reliable and efficient power conversion solution.