The RB531SM-40FHT2R is an integrated, high-performance switching regulator module from ROHM Semiconductor. It features a wide input voltage range of 7 to 40 V, and an output voltage range of 0.8 to 37 V, making it ideal for a wide range of applications. The device also features a maximum output current of 3.2 A and low current consumption, hence making it extremely efficient. Its power conversion efficiency is 90% or above, and it comes with built-in overcurrent and overvoltage protection, making it extremely reliable. It also has a large heat capacity, allowing for a wide temperature range of -40 °C to +85 °C. All this makes it a great choice for your electronic design needs.