Posts Tagged ‘ Westcor ’

COTS: Some General Considerations

July 28, 2014
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This is the final part of the blog series about COTS power systems, highlighting some general considerations that should be taken into account when developing power systems using COTS products.

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Variations in Input Power: COTS Power Supply Holdup

July 21, 2014
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Variations in Input Power: COTS Power Supply Holdup

This is the fourth post in the series providing an introduction to COTS power supplies, which explains the requirements for holdup in the case of variations in the input power.

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Environmental Requirements for COTS Power Supplies

July 7, 2014
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This post, the third in the series about requirements for COTS power supplies, describes tests that ensure that the equipment is properly designed to meet the environmental conditions that it may face during its service. Many of these tests are very stringent: if these demanding requirements must be met, then often a custom solution is likely to be required.

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EMI Requirements for COTS Power Supplies

June 23, 2014
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This is the second in a series describing the requirements that must be met when developing COTS power supplies. At Vicor, we manufacture a range of COTS power components as well as complete COTS power supplies that are available from our Westcor division. A key requirement is for these products to meet Mil-STD 461, which defines the EMI performance that must be achieved.

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Back to Basics: Using Remote Sensing to Ensure Accurate Point of Load Voltage Control

April 30, 2014
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Back to Basics: Using Remote Sensing to Ensure Accurate Point of Load Voltage Control

Today’s ASICs and processors typically operate on a low voltage and therefore require high current. This means that if they are placed at any distance from the power supply or DC-DC converter that feeds them, transmission losses can become an issue. Because of resistance and therefore voltage drop in the power path between the converter and load, the voltage across the load will be lower than that across the converter’s output terminals. The difference is given by I x R,

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The Top 10 PowerBlog Posts of 2013

December 20, 2013
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As the year comes to an end, we thought it would be interesting to look back to see the most popular posts of 2013. There is no one topic or product that is most popular, but it’s pretty clear that our longer, more technical articles are very popular. The top 10 for 2013 are: 1 Back to Basics: Zero Voltage Switching What it is and why it’s important for Buck Voltage Regulation 2 Back to Basics: What are Y-Capacitors? Learn about these important filtering components 3 Back to Basics: Power Factor What does Power...

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