mosfet selection for buck converter

MOSFET Selection for Buck Converter

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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8 Key Points on How to Select a Fuse

A fuse is a component used to protect against short circuits. It is a safety feature thus needs to be selected correctly. Below are 8 key points on how to select a fuse. 1. How to Select a Fuse – Starts by Defining the Normal Operating Current The part used in this article is from Littelfuse. Littelfuse is offering very

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how to read mosfet datasheet

How to Read MOSFET Datasheet

Circuit design is a combination of technical knowledge and understanding to each device parameters. Each device parameters are defined in the datasheet. Therefore, knowing how to read MOSFET datasheet is a must in circuits involving MOSFETs. In this another article, in order to explain the ideas clearly, let us use an actual MOSFET part from Infineon. The parts number is IGLR60R190D1XUMA1

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How to Select a Transistor

The transistor referred here is the bipolar junction transistor or BJT. Here is the complete guide on how to select a transistor. If you follow these, you can assure a rock solid design. 12 Key Items on How to Select a Transistor The transistor part used in this article is from Diodes Incorporated. They are offering great options for your

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how to select a diode

How to Select a Diode for Circuit Design

Diode has many uses. It could be as a rectifier, a reverse blocking device, a component in a switching converter or in a switching power supply and so on. Regardless, what application it is, they are the same parameters to consider. These parameters are all given in the diode datasheet. If you are looking for guidance on how to select

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How to Design Over Temperature Protection Circuit

How to Design Over Temperature Protection Circuit

Over temperature protection circuit design is not complicated as you may think. It could be done by using a thermistor and other discrete devices. If you have question on how to design over temperature protection circuit or planning to make one, this article is for you, so keep reading. Key Definitions Used on How to Design Over Temperature Protection Circuit

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common uses of a P-Channel MOSFET

What are the Common Uses of a P-Channel MOSFET

P-Channel MOSFET is not popularly known compared to the N-Channel variant. Others said it is because difficult to deal with while others are saying it is not supply abundant and there are others saying that it is only limited to few applications. In this article, I will concentrate to the last reason, about applications. So, stay with me as I

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How to Calculate MOSFET Power Dissipation

MOSFET power dissipation is the sum of the conduction loss and the switching losses. These power losses are very different from each other. Conduction loss is the static loss wherein the main contributor is the drain to source on-state resistance of the MOSFET as well as the drain current. While switching losses are dynamic losses that are dependent on the

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How to Compute MOSFET Conduction Loss

MOSFET could be used as a switch or amplifier. Regardless of the application, there is a conduction loss. Let’s explore what is the meaning of conduction loss and how to compute MOSFET conduction loss. Conduction loss is the main contributor to MOSFET power dissipation when operating in a non-switching application. Even in switching applications, conduction loss is still very significant

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How to Get MOSFET Correct RDSon Value

How to get MOSFET correct RDSon value is the pre-requisite to compute the MOSFET conduction loss or static power dissipation. RDSon is the drain to source on-state resistance of the MOSFET. The term “correct” is relative to the target result. Supposing the target is to compute the maximum power dissipation, then the correct RDSon value must be the worst-case value.

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