LM2577S-ADJ: High-Efficiency Adjustable Step-Up DC-DC Switching Regulator by Texas Instruments 2025-04-22 Discover the LM2577S-ADJ, a high-efficiency, adjustable step-up DC-DC switching regulator from Texas Instruments. Ideal for battery-powered devices, industrial systems, and more with 3.5V-40V input and 1.23V-60V output.