> Hi >I'm currently designing a Boost regulator to convert 12V to 14V. I plan to >use the LM2587 from NS. This reg needs a coil but I can find nowhere the >influence of this coil. The interesting thing I got from reading app notes is that to increase the current capacity you _lower_ the inductance. This sounds suspiciously like "free lunch", but not to worry--the trade-off for more current is coil saturation and therefore you have to get a bigger (physically) coil. Barry -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.