XP Resources
Engineers guide to selecting power supplies for LED lighting applications
Traditionally, lighting comprised some form of incandescent, fluorescent or ...
Understanding efficiency: Looking for the worst-case scenario
It’s standard practice to put the best-case scenario on data sheets, but ho ...
Power supply de-rating in practice
In recent years it has become commonplace for some manufacturers to increas ...
Reliability in electronics
What lies behind the figures and what significance should be attached to th ...
Getting More for Less
Examining the power efficiency of medical electronic equipment in a typical ...
The case for custom power supplies in low to medium volume applications
The specification you need, not the one that happens to be available.
Power factor - concisely explained
Difference between VA & Watts, definition of VAR & graphical representation ...
Parallel & series operation technical overview
A helpful technical article that expertly discusses parallel and series ope ...
Guide to lightning transients
Expert technical overview of transients.
Input considerations - voltage, current, power & fuses
A guide to input voltage, input current, power factor and selecting fuses.
Common power supply topologies
Summary of the three most common switched-mode power technologies.
An innovative topology for 24 hour turnaround of custom configured PSUs
A different approach to solving individual system power requirements.