The basic technology behind switching transformers is, as the rate of change of the magnetic field increases in the transformer (i.e., increase in switch frequency), the transformer can be made smaller with smaller cores and wires to produce the same output power. Lighter core materials such as ferrite can be used instead of laminated iron. The resulting transformer assembly becomes much smaller and lighter than its linear counterpart.

More on Power Supplies:

• Transformers Power Supplies
• Switching Transformers
• Linear Supplies
• Switching Supplies
• Advantages and Disadvantages