AC/DC Power Supply Selection Guide: Sizing Power, Ripple, and Topology
Selecting the wrong AC/DC power supply can cook your PCB, inject noise into sensitive analog front-ends, or force a late-stage respin when you realize the 65 W brick doesn't leave enough headroom at 70 °C ambient. This guide walks through the three decisions that matter most: wattage sizing, ripple tolerance, and topology, with real numbers and pa…
power-supplies