Diode is very important integral part of a buck converter. It is very popular than using a switch in the same location. A diode does not need a control mechanism while a switch needs. A diode is cheaper than a switch considering there is an added control mechanism. Here are the guides on how to select a buck converter diode.
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Before going to the discussion on how to select a transformer, let us cover first some of the transformer basic fundamentals. Transformer is could be a low frequency like those used in 50Hz or 60Hz line. Transformer is could be a high frequency one like those used in switching mode power supplies. Transformer will transfer power from the primary to
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IGBT has two types of losses. One is conduction and the other one is switching. Conduction loss is due to the voltage drop between collector and emitter times the collector current. On the other hand, switching losses is due to the dynamic parameters of the IGBT. If you are looking for an explanation on how to derive IGBT power losses,
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If you are asking how to derive LLC converter AC circuit, this article is perfect for you. The derivation is based on the first harmonic approximation (FHA). FHA is popular method in deriving AC circuit like those of an LLC which only considering the fundamental signal of a square wave. In this article I will give you some insights in
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MOSFET will not work if the gate to source voltage is not satisfied. VGS threshold is one of the specifications in the datasheet. However, it needs little understanding on how to determine the right VGS threshold. This article will discuss how to determine the correct MOSFET VGS threshold. How to Determine the Correct MOSFET VGS Threshold from the Datasheet To
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The important MOSFET design parameter to consider during circuit design are gate threshold voltage, on-state resistance, current stress, voltage stress, power stress and thermal stress to name few. All parameters will be discussed in this topic so keep reading. Threshold voltage refers to the gate to source voltage requirement for the MOSFET to turn on. On-state resistance is the equivalent
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Two of the most common three terminal semiconductor nowadays are MOSFET and BJT. MOSFET is metal oxide semiconductor field effect transistor. It is a variant of FET. BJT on the other hand is bipolar junction transistor. It is worth to discuss MOSFET and BJT comparison to understand which part to use. Read below comparisons. 1. Application of MOSFET and BJT
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If you are planning to make your own inverting buck-boost but don’t know where to start, therefore this inverting buck-boost step by step design guide is right for you. A buck-boost converter is a DCDC switching converter that combines the function of a buck and boost converter. Inverting buck-boost is a variant wherein the output is negative with respect to
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A linear voltage regulator is the easiest to deal with. It is very easy to create and do not need much technical knowledge to understand its behavior. It has two variations: series and shunt.
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Buck Converter Basic Function Before going to buck converter design tutorial, we will discuss first how buck converter works in order to fully understand the following tutorial. A buck converter is a switching converter with a voltage output lower than voltage input. It is also called as a step-down switching converter A buck converter has only four main parts. They
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