What is a VRM, Phase of a Motherboard. More VRMs good?

My video explaining buck converters    • Making a small switching regulator. How it...   The motherboard shown in this video (Amazon affiliate link) Super cheap motherboard https://amzn.to/4cTdgyT If you’d like to get something from AliExpress, it would really help me out if you used this link! I’ll use any affiliate earnings to help keep my projects going. https://s.click.aliexpress.com/e/_c3W... ◤Contents◢ 00:00 What Are VRM Phases on a Motherboard? 00:49 Taking a Closer Look at the Motherboard 01:33 How the VRM Circuit Works 03:59 Advantages of Multi-Phase Motherboards 05:26 Disadvantages of Multi-Phase Motherboards 06:25 Showcasing My Custom VRM Circuit 07:19 Performance Comparison Between Different Phase Counts 09:48 Control Method to Reduce Voltage Ripple 11:49 Comparing Waveforms on the Oscilloscope 13:56 Summary ■Business inquiries [email protected]   / ichiken_make