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Consider the boost converter of the input voltage to this converter is 6 V. The average output voltage is Vo = 18 V and the average load current Io = 0.4 A. If the switching frequency is 20 kHz for L = 250 μH, then the ripple current of inductor is _______A.
  • a)
    1 A
  • b)
    2.5 A
  • c)
    3 A
  • d)
    0.8 A
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the boost converter of the input voltage to this converter is...
Concept:
When the switch is ON:
Applying KVL as per loop:
Calculation:
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Community Answer
Consider the boost converter of the input voltage to this converter is...
To find the inductor value (L) for the boost converter, we can use the following equation:

L = (Vo * (Vin - Vo)) / (Vin * F * Io)

where:
Vo = average output voltage = 18 V
Vin = input voltage = 6 V
F = switching frequency = 20 kHz
Io = average load current = 0.4 A

Plugging in the given values:

L = (18 * (6 - 18)) / (6 * 20,000 * 0.4)
L = (-180) / (4,800)
L = -0.0375 H

However, it is not physically possible to have a negative inductance value. Therefore, there may be an error in the given values or calculation. Please double-check the values and provide the correct information for a valid calculation.
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Consider the boost converter of the input voltage to this converter is 6 V. The average output voltage is Vo= 18 V and the average load current Io= 0.4 A. If the switching frequency is 20 kHz for L = 250 μH, then theripple current of inductor is _______A.a)1 Ab)2.5 Ac)3 Ad)0.8 ACorrect answer is option 'D'. Can you explain this answer?
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