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Energy efficiency for external power supplies (EPS)
Energy efficiency legislation is now in place across most regions of the world. In the main, the focus of these regulati...
Green mode LLC half bridge converters
Power supplies marketed under the “Green” label are designed to maximise efficiency across the load range (average activ...
Determine System EMI Characteristics Early in System Design Phase
Often in the commercial, industrial, medical and military industries, system engineers wait until system qualification b...
MIL-STD-1275 Compliance for power systems made easy.
The US Department of Defense Standard MIL-STD 1275 is an immunity standard that defines a series of test conditions to b...
Miniature PCB Mount 5 W AC-DC power supply meets international medical safety standards
The EME05 series of ultra-compact, single output, 5 Watt AC-DC power supplies are believed to be one of the smallest 5 W...
Supplying an AC-DC Power Supply from a DC source
A frequently asked question concerns the suitability of using an AC/DC power supply with a DC source. There are two part...
DEF-STD 59-411 and the challenge of Land Class A
DEF STD 59-411 was issued by the UK Ministry of Defence in 2007 for land, sea and air equipment. It replaced DEF STD 59...
New Version of EN61000-3-2, The Harmonic Current Standard
EN61000-3-2:2006+A2:2009 is the present standard for limits for harmonic current emissions for equipment with an input c...
Industry leading 95% efficient 225 Watt AC-DC supply in a 2" x 4" package
The EPL225 series of high efficiency, open frame, AC-DC power supplies are approved for industrial, IT and medical appli...
The New Safety Standard for ITE and AV Equipment: IEC62368-1
The boundaries between information technology and audio/ video technology have become increasingly blurred. For example,...
Using Y rated capacitors in medical applications
The medical standard IEC60601-1 is mandatory for medical equipment and requires manufacturers to review the isolation sy...
DEF-STAN 61-5 Part 6, Issue 6, Compliance Made Easy
In February 2009, the UK Ministry of Defence published issue 6 of Defence Standard 61-5 part 6 to cover 12 and 24V syste...