Technical Information Paper LDO Current Foldback,Current Limiter Circuits
●Introduction
■This TIP is aimed at improving the knowledge of engineers and sales people, as it is not really possible to delve into that level of details on LDO datasheets. On the pages that follow, you will learn that current limiter/current foldback circuits of LDO’s come in many different forms. Moreover, we will show that, by using the V-OUT vs. I-OUT characteristics, you can often anticipate –at least partially- how the output voltage and output current of the LDO will vary at start-up. This concept, briefly explained on the “XC6219 Current Foldback Circuit” TIP for one type of LDO, will be further detailed here. Finally, since output current waveforms at start-up include a significant amount of inrush current, this document will highlight as well the benefits of Torex LDO’s with inrush current protection.
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XC6204 、 XC6209 、 XC6210 、 XC6214 、 XC6215 、 XC6216 、 XC6217 、 XC6218 、 XC6219 、 XC6220 、 XC6221 、 XC6222 、 XC6223 、 XC6224 、 XC6227 、 XC6501 、 XC6503 、 XC6504 、 XC6505 、 XC6602 、 XC6701 |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2015 |
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784 KB |
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