AMS1117 5V Step-Down Power Supply Module

Overview

A small linear regulator module built around the AMS1117 chip, converting a higher input voltage down to a stable 5V output.

Key Specs

Features

• Simple, low-noise linear regulation
• Compact, low-cost solution for small 5V loads

Compatible With

Any 5V-logic project

Use Cases

• Powering a 5V module from a higher-voltage source (e.g. a 9–12V battery)

FAQ

How is this different from a buck (switching) converter? It's a linear regulator — simpler and cleaner output, but less efficient at higher current draw, with the difference dissipated as heat.