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AB-12 |
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| Part Number | AB-12 |
| Manufacturer | Fairchild Semiconductor |
| Description | www.fairchildsemi.com Application Bulletin AB-12 Insight into Inductor Current Introduction The design of the main power inductor in a switching power supply provides many challenges to the engineer... |
| Features |
voltage is necessarily larger than the output voltage, and so there is a net positive voltage across the inductor. Conversely, in State 2, ground is applied to the side of the inductor that was previously attached to the input voltage. For a buck converter, the output voltage is necessarily positive, and so there is a net negative voltage across the inductor. We recall that the current through an inductor changes according to
dI V = L ---dt
Understanding the Function of the Inductor
An inductor is often described as being part of an LC filter at the output of a switching power supply (with th... |
| Document |
 AB-12 Data Sheet
PDF 22.25KB |
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