Design Support

Online PowerBench Tools: Thermal Calculator

October 16, 2014
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Online PowerBench Tools: Thermal Calculator

Thermal calculations required when selecting heat sinking are relatively straightforward, but can be time consuming, particularly if you want to investigate the impact of changes to certain parameters.

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Whiteboard of the Week: Aircraft Cockpit Large Area Display (LAD)

October 6, 2014
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Whiteboard of the Week: Aircraft Cockpit Large Area Display (LAD)

An aircraft cockpit requires a complex power system: the large number of complex instruments require a variety of different power rails, whist space and weight must be minimized. The second Whiteboard Power Chain of the Week illustrates one solution developed by a Vicor applications engineer for one of our customers.

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White Paper: PFC Single Conversion Line Ripple Cancellation Using the Yeaman Topology

October 6, 2014
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White Paper: PFC Single Conversion Line Ripple Cancellation Using the Yeaman Topology

The Yeaman topology takes advantage of the isolation in a series of DC-DC converters to put the outputs in a series stack. One converter is typically a high efficiency fixed ratio bus converter

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Our Solution Selector Widget is Now Even Better

October 6, 2014
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We released the first version of the embeddable PowerBench Solution Selector widget back in July 2012. At that time the tool only supported DC-DC converters, but many websites took advantage of our invitation to steal the code, and used it on their pages.

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Creating High Voltage Outputs with Multiple Converters

October 5, 2014
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Creating High Voltage Outputs with Multiple Converters

Many power applications require a well-regulated, high-voltage DC supply. A typical requirement is for power rails of 80 V to 120 V for applications such as tunnel lighting installations that use a string of LEDs connected in series, high power amplifiers, ultrasound transducers and motor controllers. By connecting the outputs of converters such as the Vicor DCMs in series, these voltages can be generated using standard power components. The output voltage of series-connected converters is the sum of all the individual outputs. Strings can be configured to deliver either a fixed or a variable...

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Power System for HVDC Distribution: Whiteboard Power Chain of the Week

September 30, 2014
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Power System for HVDC Distribution: Whiteboard Power Chain of the Week

The first featured Whiteboard Power Chain of the Week will let you analyze and experiment with a power conversion system for HVDC distribution. The system uses high voltage BCM converters to take an input that can range between 260 V and 410 V and produce two low-voltage rails at 48 V and 12 V

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