Powerelectronics Engineering

Buck Converter Inductor Duty Cycle Calculator

Buck Converter Inductor Duty Cycle Calculator engineering calculator.

Quick Answer

Calculate Buck Converter Inductor Duty Cycle Calculator

Calculator

Duty Cycle (dimensionless)
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Result Interpretation

Buck Converter Inductor Duty Cycle Calculator computes Duty Cycle in dimensionless using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Input Voltage = 12
  • Output Voltage = 5
  • Diode Forward Voltage Drop = 0.7
  • Switch Forward Voltage Drop = 0.2

Expected Result:

  • Duty Cycle = 0.32571428571429

Engineering Interpretation:

Under the given input conditions, the calculated result is: Duty Cycle = 0.32571428571429 dimensionless.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

duty cycle = (output voltage + diode forward voltage drop) / (input voltage - switch forward voltage drop + output voltage + diode forward voltage drop)

Formula family: formula_powerelectronics_power_inductor_duty_cycle_calculator

Variables

SymbolLabelRoleDescription
V_in Input Voltage INPUT Input Voltage
V_out Output Voltage INPUT Output Voltage
V_switch Switch Forward Voltage Drop INPUT Switch Forward Voltage Drop
V_diode Diode Forward Voltage Drop INPUT Diode Forward Voltage Drop
duty_cycle Duty Cycle OUTPUT Duty Cycle

Calculation Steps

  1. Enter the input voltage in V.
  2. Enter the output voltage in V.
  3. Enter the switch forward voltage drop in V.
  4. Enter the diode forward voltage drop in V.
  5. Step 1: Compute duty cycle.
  6. Read the duty cycle (dimensionless) from the results.

Engineering Summary

Calculate Buck Converter Inductor Duty Cycle Calculator

Frequently Asked Questions

What does this calculator calculate?

The Buck Converter Inductor Duty Cycle Calculator estimates Duty Cycle based on the input parameters you provide

Why is input voltage important in this calculation?

input voltage is inversely proportional to duty cycle. When you enter input voltage in V, the calculator uses it in the engineering formula to compute the output

How should I interpret the result duty cycle?

The calculator outputs duty cycle in dimensionless. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Input Voltage (V), Output Voltage (V), Switch Forward Voltage Drop (V), Diode Forward Voltage Drop (V). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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