-
In the circuit shown, an ideal switch S is operated at 100 kHz with a duty ratio of 50%. Given that ∆ic is 1.6 A peak-to-peak and I0 is 5 A dc, the peak current in S is
-
- 6.6 A
- 5.0 A
- 5.8 A
- 4.2 A
Correct Option: C
The size in inductor current during ON period.
| ∆IL = | TON , TON = | |||
| L | Vs - V0 |
and during OFF - period
| -∆IL = | TOFF , TOFF = | |||
| T | V0 |
Switching frequency,
| f = | = | . | ||||
| TON + TOFF | L∆IL | Vs |
| ⇒ ∆IL = | .K = | |||
| fL | Vs |
The maximum source current is given by,
| Imax = Io + | = 5 + | = 5.8 A | ||
| 2 | 2 |
