Injector driver chips? Where?

[Sandy]

One thing that National IS very good about it getting samples, I got a rail
of 40 of the lm1949's. I think that it is to be expected on any of the
automotive parts. Try to get something from cherry!

Sandy

>John is of course right but I got the impression from the data sheet that
>the switch-mode usage was not reccomended - maybe because of the RFI
>considerations. 
>The problem I have with using the LM1949 as a switch-mode controller is that
>the zener has to dump a lot of power - this may be both more expensive and
>more difficult to package than a design using the L584.
>Lastly one should beware that NatSemi are pretty good at giving out samples
>but when it comes to buying parts such as these (automotive special function)
>they always quote me horrendously large minimum order quantities. Maybe this
>is no worse than the SGS lead time?
>
>I am really interested to hear about the L9335/9336 chips - they sound like
>the (near-)perfect solution.
>
>	Regards, Martin Mayhead
>