Quick Answer
Calculate Buck Converter Inductor Duty Cycle Calculator
Calculator
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
| Symbol | Label | Role | Description |
|---|---|---|---|
| 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
- Enter the input voltage in V.
- Enter the output voltage in V.
- Enter the switch forward voltage drop in V.
- Enter the diode forward voltage drop in V.
- Step 1: Compute duty cycle.
- 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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