Quick Answer
Calculate Buck Converter Inductor Output Current with Ripple Balance
Calculator
Result Interpretation
Buck Converter Inductor Output Current with Ripple Balance calculator computes Inductor output current in A using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Duty cycle = 0.275
- Inductance = 2.2E-6
- Input voltage = 12
- Switching frequency = 1000000
- Output voltage = 3.3
- Load current = 1
Expected Result:
- Inductor output current = 1.39421875
Engineering Interpretation:
Under the given input conditions, the calculated result is: Inductor output current = 1.39421875 A.
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
inductor output current = load current + (input voltage - output voltage) * duty cycle * (1 - duty cycle) / (2 * switching frequency * inductance)Formula family: formula_powerelectronics_power_inductor_output_current_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| I_load | Load current | INPUT | Load current |
| V_in | Input voltage | INPUT | Input voltage |
| V_out | Output voltage | INPUT | Output voltage |
| D | Duty cycle | INPUT | Duty cycle |
| f_sw | Switching frequency | INPUT | Switching frequency |
| L | Inductance | INPUT | Inductance |
| Inductor output current | Inductor output current | OUTPUT | Inductor output current |
Calculation Steps
- Enter the load current in A.
- Enter the input voltage in V.
- Enter the output voltage in V.
- Enter the duty cycle in 1.
- Enter the switching frequency in Hz.
- Enter the inductance in H.
- Step 1: Compute inductor output current.
- Read the inductor output current (A) from the results.
Engineering Summary
Calculate Buck Converter Inductor Output Current with Ripple Balance
Frequently Asked Questions
What does this calculator calculate?
The Buck Converter Inductor Output Current with Ripple Balance calculator estimates Inductor output current based on the input parameters you provide
Why is load current important in this calculation?
load current is directly proportional to inductor output current. When you enter load current in A, the calculator uses it in the engineering formula to compute the output
How should I interpret the result inductor output current?
The calculator outputs inductor output current in A. 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: Load current (A), Input voltage (V), Output voltage (V), Switching frequency (Hz), Inductance (H). 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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