Charles, thank you! Very helpful, as everyone has been.
> On Jan 29, 2017, at 6:38 PM, Charles Steinmetz <[email protected]> wrote: > > Jerry wrote: > >> One of the items I am having trouble modeling is a CLD, current limiting >> diode, MCL1302. > > CLDs are almost always operated in saturation, so a behavioral current source > of the appropriate value should model it just fine for your needs (spec for > the MCL1302 is 2mA +/- 0.6mA -- as you can see, hardly precision devices). > > CLDs are nothing more than JFETs operating at Idss, so you can also model > them with a JFET with its gate tied to its source. Of course, you have to try > different FET models until you find one with the appropriate Idss, or play > with source resistors to lower the saturation current of a FET with somewhat > higher Idss. > > But if you insist, Central Semi has models of its CLDs on its web site: > > <https://www.centralsemi.com/content/engineering/spicemodels/index.php> > > Central makes a direct substitute (the CMCL1302), but does not seem to have a > Spice model for that particular one. The CCL2000 is another 2mA CLD, with > similar specs (but a somewhat tighter current variance spec). You can find > its P-Spice model here: > > <http://www.centralsemi.com/docs/csm/CCLP.LIB> > > I'm sure that model would be more than close enough for your purposes. > > Best regards > > Charles > > > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
