Why is the efficiency of SMPS high?

The efficiency of Switch Mode Power Supplies (SMPS) is high primarily due to their ability to convert power using high-frequency switching techniques, which minimize energy loss during the conversion process. Unlike linear power supplies, SMPS reduces heat generation by rapidly turning the power on and off, allowing for smaller components and reduced energy waste. Additionally, the use of inductors and capacitors in energy storage and transfer enhances efficiency across a wide range of loads and input voltages. This makes SMPS suitable for various applications where energy efficiency is critical.