There are 2 formula (4) and (5) to calculate inductor, both calucated but the result of L is far difference.
which one is recommended? Lmin seems small at least, my understanding is correct?
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Hi,
Formula 4 is the standard equation used to make sure converter is operating in PWM mode at expected load current.
Formula 5 is the formula used to calculate the minimum inductance to avoid subharmonic oscillation.
Regards,
Richard