THE FEUTEX TOOLKIT

Buck Converter CCM Ripple

Evaluate duty cycle, inductor ripple and peak current under ideal CCM.

Electronics workspace● Runs in your browser

01 Your input

InputVOutputVInductanceHFrequencyHzOutput currentA

02 Your result

View or copy raw result data

Result data

FormulaD=Vo/Vi; ΔIL=(Vi−Vo)D/(Lfs)

Sources and model references

https://www.ti.com/lit/an/slva477b/slva477b.pdf

Worked example

Inputs

Input: 12 V
Output: 6 V
Inductance: 0.0001 H
Frequency: 100000 Hz
Output current: 1 A

Expected results

Duty fraction: 0.5 fraction
Inductor peak-to-peak ripple: 0.3 A
Peak current: 1.15 A

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

Enter the labeled inputs in the indicated units.
Calculate and compare every output against the stated model assumptions.

Try this example

{
  "vin": 12,
  "out": 6,
  "l": 0.0001,
  "f": 100000,
  "i": 1
}

Accuracy and scope

Ideal continuous conduction; switching drops, loss and control-loop dynamics excluded. Simplified analytical model; not a design recommendation or safety certification.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.