The gain-frequency curve of an LLC resonant converter is a graphical guide displaying both the gain and operating frequency. At resonance frequency, the gain is certain to be unity. However, at above or below the resonance, the gain is no longer unity. In this article we will cover how LLC converter gain-frequency curve works or how to interpret it and
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You may be wondering why LLC resonant converter gain is unity. How it happens and how to mathematically derive it. If you have these questions, then you are on the right page. I will be sharing to you the answers to these questions. In the previous topic, I discussed the equivalent AC circuit of an LLC resonant converter. Read How
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Buck converter can be synchronous or non-synchronous type. The former uses a MOSFET (or BJT, IGBT) in place of the buck diode. Basically, there are two switches in synchronous type. On the other hand, the latter uses a switch and a diode combination. This is simpler and cheaper than the former since there is only a single MOSFET to control.
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Junction to case thermal resistance is measured from the junction to the case. This is mostly specified for power semiconductor devices. This article will teach how to use it and when to use it. Junction to Case Thermal Resistance Symbol and Units Some datasheets use RthJC while others use RθJC. They are referring to the same parameter. The units used
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Designing DCDC converter may not any more difficult by the help of online tutorials, simulation software and applications notes. However, the task will not end on the design. Checking if the design is working great is another challenge. Here is the step by step guide on how to test and troubleshoot DCDC converter. How to Test and Troubleshoot DCDC Converter
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