Introducing the LM5155DSSR from Texas Instruments

The LM5155DSSR is a versatile and high-performance wide input voltage non-synchronous boost controller designed by Texas Instruments to cater to a broad range of power supply applications. This advanced component is engineered to handle a wide input voltage range from 3.5V to 42V, making it an ideal choice for systems that require a stable and efficient voltage boost conversion.

With its ability to drive an external MOSFET, the LM5155DSSR can accommodate high-power applications with ease. The device is equipped with a slew of features that make it highly adaptable and efficient. One of the key attributes of this boost controller is its peak current-mode control, which ensures stable operation over a wide range of input voltages and output loads.

The LM5155DSSR also boasts an adjustable switching frequency, ranging from 100 kHz to 2.2 MHz, allowing designers to optimize the performance of their power supply for either efficiency or component size. Additionally, the device features a low shutdown quiescent current, which makes it suitable for battery-powered applications where energy efficiency is paramount.

Protection is a critical aspect of any power supply design, and the LM5155DSSR comes equipped with robust protection features. These include cycle-by-cycle current limit, thermal shutdown, and under-voltage lockout, ensuring safe operation under abnormal conditions. The device's programmable soft-start function also helps to prevent inrush current-related issues at startup.

Available in a small 3.5 mm x 5.5 mm WSON-10 package, the LM5155DSSR is designed for compact PCB layouts, making it an excellent choice for space-constrained applications. Whether it's used in automotive, industrial, or portable electronics, this boost controller is built to deliver reliable and efficient performance.

Overall, the LM5155DSSR from Texas Instruments stands out as a high-quality, feature-rich solution for designers looking to implement a boost converter in their power management designs. With its wide input voltage range, flexible operation, and comprehensive protection features, it's ready to tackle the most demanding power supply challenges.