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Microbridge Rejustor™ Design Challenge Official Entry |
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Title: |
Improving System Performance for Multi-Phase Switching Regulators by Using Electrically Adjustable Resistors |
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Abstract: |
In multi-phase low voltage high current switching mode power supply applications, one of the most important and difficult tasks is to achieve good current balancing among phases. However due to many real world variables and parasitic elements that are hard to be precisely controlled in design and production, the actually phase current balancing can be affected by these variables in great deal. If current among phases is not very well balanced, it’ll appose additional electrical and thermal stress to heavy loaded phases. At the end the OEMs have to pay extra cost to increase design margin, so that able to safely tolerate associated stress. The introduction of electrically adjustable resistors offers manufactures a new way to do phase current balancing trimming at final test, therefore able to improve system performance and reliability. |
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Submitted By: |
jgdesign |
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Submitted On: |
12/31/2007 |
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Total Views: |
688 |
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