How do you select an inductor?

How do you select an inductor?

First, the procedure to use when selecting an inductor is described.

  1. Calculate the required inductance L.
  2. Calculate the maximum current flowing in the inductor (output current + one-half of the ripple. current).
  3. Select an inductor having the calculated value L (or a value close to it) and with an inductor.

How does an inductor work in a DC circuit?

An Inductor is a passive device that stores energy in its Magnetic Field and returns energy to the circuit whenever required. The sudden increase of current in the Inductor produces an Self Induced Electromotive Force, vemf, opposing the Current change, Figure 1. …

How does a capacitor and inductor behave in DC circuit?

Capacitors become open circuits, which means that there is a break in the circuit, in D.C. steady state, while inductors become short circuits, which means they become a wire, in D.C. steady state. Capacitors store charge in a electrostatic field.

How is the input capacitor selected in a DC converter?

In essence, the input capacitor is selected on the basis of these parameters, but in trial manufacture and evaluation, checks must be performed to ensure that the input voltage with ripples added do not exceed the withstand voltage, and that heat generation caused by the ripple current can be tolerated. < Related information > DC/DC converter

When to design a step down DC / DC converter?

When designing a step-down DC/DC converter, inductor selection is important. Inductor selection greatly influences performance and characteristics. The procedure for inductor selection and the method for calculating inductances and the like are basically indicated on the data sheets of the power supply IC that is used.

What are the key points of DC / DC converter selection?

DC/DC converter Key Points: ・Important issues in capacitor selection include the rated voltage, rated ripple current, characteristic for heat generation by ripples, and when using a ceramic capacitor, the temperature characteristic and DC bias characteristic in particular.

What is the procedure for selecting an inductor?

The procedure for inductor selection and the method for calculating inductances and the like are basically indicated on the data sheets of the power supply IC that is used. First, the procedure to use when selecting an inductor is described. current). saturation current at least as great as the calculated maximum current.