From: David Lesher (wb8foz@nrk.com)
Date: 04/06/00-07:25:14 AM Z
Unnamed Administration sources reported that Patrick said:
>
> >..........
> >Because of the step-up configuration of the design requirement,
> >the switching current will be exceeded even with the 5-amp LM2587
> >switcher. With the LM2587, the max. load current available is
> >only 1.66A or 0.14A less than specified. [I had asked for 1.8
> >amps...]
>
>
> That's funny, National's simple switcher design software says
> otherwise. It seems to think you can get 2.55 A with a minimum input of 12
> volts
12 volts? Perhaps. But you need to account for low voltage during
hard cranking. ISTM spec'ed 8 volts.
...Unless you want your box rebooting every time you start the car....
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