Standard high voltage modules save time, space and money
System power designers specifying high voltage power supplies have three basic options.
Updates to legislation drive external power supplies’ efficiency
As concern for carbon emissions grows, most countries have introduced legislation to regulate the efficiency of external...
Designing for reliability in high voltage applications
High voltage design and manufacturing comes with an additional set of disciplines that must be applied.
Selecting power supplies for peak load applications
Specifying an AC-DC power supply for systems with peak load requirements that are higher than the normal power requireme...
Electrolytic capacitor lifetime in power supplies
The service life of electrolytic capacitors is an increasingly key design parameter in power supplies.
Hints and tips on the use of cooling fans for power supplies
Thermal management of modern power supplies is becoming increasingly important due to smaller heat sinks volumes and hig...
Energy efficiency for external power supplies (EPS)
Controlling the power consumed by external power supplies is important for continuity of the energy supply and reduction...
Overcoming patient leakage current issues
Patient leakage current and ways of reducing and controlling it for the most stringent medical applications
Engineers guide to selecting power supplies for LED lighting applications
Traditionally, lighting comprised some form of incandescent, fluorescent or halogen lamps. That has changed with the eve...
Understanding efficiency: Looking for the worst-case scenario
It’s standard practice to put the best-case scenario on data sheets, but how does that differ from the efficiency that c...
Power supply de-rating in practice
In recent years it has become commonplace for some manufacturers to increase the power rating of the product and specify...
Reliability in electronics
What lies behind the figures and what significance should be attached to them.