MAXM17503 DC-DC Step-Down Power Modules Maxim MAXM17503 High-Efficiency DC-DC Step-Down Power Modules integrates several devices in a low-profile, thermally efficient system-in-package (SiP). They combine a switching power supply controller, dual n-channel MOSFET power switches, a fully-shielded inductor, and the compensation components all in a single package. Each of these devices operates over a wide input voltage range of 4.5V to 60V and delivers up to 2.5A continuous output current. This feature provides an excellent line and load regulation over an output voltage range of 0.9V to 12V. The Maxim MAXM17503 only requires five external components to complete the total power solution. The high level of integration significantly reduces design complexity, manufacturing risks and offers a true plug-and-play power supply solution.