How to Select a Transistor

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…
How to Select a Transformer

How to Select a Transformer

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…
how to derive IGBT power losses

How to Derive IGBT Power Losses

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…
How to Derive LLC Converter AC Circuit

How to Derive LLC Converter AC Circuit

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…
How to Calculate MOSFET Power Dissipation

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…
How to Compute MOSFET Conduction Loss

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…
How to Get MOSFET Correct RDSon Value

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.…