Transformers and Power Supplies
Boost Converter Calculator
Boost Converter helps you find ideal boost output from input voltage and duty cycle. The page keeps the arithmetic visible so you can check the result against the original measurements.
Set up the Boost Converter case
Replace the examples with values from the same case.
Ideal boost output: calculation method
Start with the equation Vout = Vin ÷ (1 − D). Only Input voltage and Duty cycle enter the numerical result.
For the example shown, ideal boost output equals 30.00 V. Treat that value as a demonstration, not a recommendation.
Calculate ideal boost output from input voltage and duty cycle. When output magnitude affects the next decision, use Buck-Boost Converter Calculator.
Sensitivity check
Change Input voltage from 12 V to 14.399999999999999 V as the sole changed variable. The two results are 30.00 V to 36.00 V.
The comparison demonstrates sensitivity, not a guaranteed field response.
Preparing the calculation
Record waveform, frequency, load level, and winding or device temperature. Do not combine a worst-case value with unrelated nominal data.
At least one field has a positive lower bound because it appears in a denominator. Check every prefix before entry; micro, milli, kilo, and mega are not interchangeable.
- Input voltage
- Default example: 12 V. Enter input voltage in V.
- Duty cycle
- Default example: 60%. Enter duty cycle in %.
Checks that catch bad inputs
Mixing nominal and measured data is a common source of error.
Check the input source before adding a safety or correction factor.
How to use the result
The primary answer, Ideal boost output, describes only the entered scenario. Compare it with a no-load, nominal-load, and limiting-load case.
A result without its source conditions is difficult to compare or audit.
Checks before using the answer
Switch, diode, and inductor limits constrain the result.
Additional checks may be needed for isolation, creepage, waveform shape, and manufacturer operating limits. Resolve material omissions before selecting a standard size or rating.
Identify RMS, average, peak, and rectified quantities explicitly.
Using this result in a larger analysis
Review input voltage and the remaining entries as one case. If one value belongs to another temperature, load, or time period, separate the scenarios.
Use ideal boost output alongside a no-load, nominal-load, and limiting-load case. Preserve the unrounded number until all dependent calculations and comparisons are complete.
Keep a baseline and vary the least certain measurement first. A separate analysis may be needed for isolation, creepage, waveform shape, and manufacturer operating limits.
Before relying on the answer
Where is this ideal boost output estimate simplified?
Switch, diode, and inductor limits constrain the result. Also consider leakage inductance, parasitic capacitance, saturation, switching transients, and cooling.