MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the value of Rsc, L and Co for a A7840 switching regulator to provide +5 v at 3A, using the following specifications: toff= 24 s, ripple voltage = 400mA and ton=26 s. |
| A. | R<sub>sc</sub> = 55 m , L = 25 H & C<sub>o</sub> = 750 F |
| B. | R<sub>sc</sub> = 550 m , L = 25 H & C<sub>o</sub> = 75 F |
| C. | R<sub>sc</sub> = 650 m , L = 25 H & C<sub>o</sub> = 65 F |
| D. | R<sub>sc</sub> = 720 m , L = 25 H & C<sub>o</sub> = 250 F |
| Answer» B. R<sub>sc</sub> = 550 m , L = 25 H & C<sub>o</sub> = 75 F | |
| 2. |
Filter used in switching regulator s are also as called |
| A. | DC AC transformers |
| B. | AC DC transformers |
| C. | DC transformer |
| D. | AC transformer |
| Answer» D. AC transformer | |