No test procedure offers more potential for surprise and, therefore, more apprehension for power supply designers than powering up a new design for the first time. In far too many cases designers find ...

This engineering report describes a 12 W isolated flyback power supply with a single stage power factor correction circuit for smart lighting applications. The power supply is designed to provide a 27 ...

A growing number of electronic devices require both data connectivity and a power source to function effectively. The IEEE 802.3af standard outlines a method for delivering power and data over LAN ...

While switch-mode power supplies operate at frequencies well above the range of human hearing, they can produce audible noise under certain load conditions. Potential sources of audible noise can vary ...