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Transformers and Power Supplies

Converter Duty Cycle Calculator

Converter Duty Cycle calculates ideal duty cycle from entered measurements. It reports ideal duty cycle for one defined case.

Enter values for ideal duty cycle

Use one consistent electrical operating case for all fields.

V

Enter output voltage in V.

V

Enter input voltage in V.

How Converter Duty Cycle works

This worksheet evaluates D = Vout ÷ Vin × 100. Converter Duty Cycle uses Output voltage, Input voltage to report Ideal duty cycle.

In the loaded Converter Duty Cycle case, ideal duty cycle equals 41.67%. Hold the remaining entries steady while testing an uncertain input. For secondary current, use Transformer Current Calculator.

A second Converter Duty Cycle case can hold input voltage constant while changing Output voltage from 5 V to 4.5 V. Under that controlled change, Ideal duty cycle moves from 41.67% to 37.50%. This comparison shows the arithmetic influence of output voltage; it does not claim that every connected component responds linearly.

In Converter Duty Cycle, label Output voltage by operating state. Keep ideal duty cycle cases separate for line voltage, frequency, waveform, load level, and component temperature.

For Transformers and Power Supplies, test Ideal duty cycle at nominal and limiting output voltage values. Keep the Converter Duty Cycle cases separate.

Inputs for Converter Duty Cycle

Output voltage and Input voltage belong to Converter Duty Cycle. Keep source units with output voltage.

Use the defaults to understand the output, then enter the real circuit or energy data.

Output voltage
Example entry: 5 V.
Input voltage
Example entry: 12 V.

When Converter Duty Cycle feeds another worksheet, transfer Ideal duty cycle at full precision. Preserve voltage stress, current stress, loss, ripple, regulation, and thermal capacity. Round output voltage after the Converter Duty Cycle transfer.

Reading the Converter Duty Cycle result

This output represents Converter Duty Cycle.

Apply required margins only after identifying the correct equipment standard.

Use Ideal duty cycle to use Converter Duty Cycle to calculate ideal duty cycle. Compare it with voltage stress, current stress, loss, ripple, regulation, and thermal capacity. Ideal duty cycle does not override another Transformers and Power Supplies limit.

Measurement and units

Check component ratings, isolation requirements, temperature, waveform, and manufacturer limits. Check prefixes on output voltage.

Do not compare cases built from different unit prefixes or measurement locations.

Select the Output voltage instrument range for Converter Duty Cycle. Record line voltage, frequency, waveform, load level, and component temperature. Repeat uncertain output voltage readings before refining ideal duty cycle.

For Converter Duty Cycle, source Output voltage from nameplate data, winding measurements, oscilloscope traces, and load tests. Record line voltage, frequency, waveform, load level, and component temperature. Input voltage needs matching conditions.

Limits of this calculation

Topology and loss alter practical duty cycle. Required capacitance belongs in the separate Smoothing Capacitor worksheet.

Unlisted circuit behavior remains outside the computed result. Unentered effects remain outside Converter Duty Cycle.

For Converter Duty Cycle, compare Ideal duty cycle with voltage stress, current stress, loss, ripple, regulation, and thermal capacity. Document output voltage tolerance for Converter Duty Cycle. Treat duty separately in Transformers and Power Supplies.

Questions about Converter Duty Cycle

What does Converter Duty Cycle calculate?

Converter Duty Cycle reports ideal duty cycle.

Can Output voltage be zero?

For Converter Duty Cycle, measure any zero output voltage directly.

Why can ideal duty cycle differ from measurement?

Topology and loss alter practical duty cycle. Recheck output voltage.

How should Converter Duty Cycle round ideal duty cycle?

Retain ideal duty cycle for Converter Duty Cycle comparisons. Round with final output voltage precision.