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eng.boost-converter-gain Calculator
Calculates boost converter duty cycle, output voltage, inductor value, and output ripple from input and output specifications. Boost converter output voltage V_out = V_in / (1-D) — maximum duty cycle is limited to avoid discontinuous conduction and inductor saturation.
Inputs
Vin V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
Vout V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
F Khz
Cycles per second (Hz). Audible sound: 20 Hz – 20 kHz. Make sure units match what the formula expects.
Il Avg A
Rate of charge flow (A). I = V/R. Above ~100 mA through the body can be lethal. Fuses protect against overcurrent.
Results
duty cycle D
Reference formula or conversion factor shown for context.
estimated output current (A)
Electric charge flow rate (A). Governs wire sizing — too much current causes dangerous heating. Fuses protect circuits from overcurrent.
estimated output power (W)
The value at the specified point or condition.
D = 1 - Vin/Vout
Sample size or count used in the calculation.
voltage gain M = 1/(1-D)
Electric potential difference between the two terminals (V). In AC systems, quoted as RMS — 230 V mains has a peak of ~325 V.