On 6/5/2015 6:47 PM, James Cameron wrote:
> Yes, you'd need to use the switching design, otherwise by using
> a MOSFET you'd lose the peak and hold part of the Figure 1 design.
Right.

> You'd best scope the drive voltage to be sure; it isn't specified.

  Just did ... looks like around 1V.  So looks like I've have to drive=20
the mosfet with another transistor.


> Figure 23 shows a fairly conventional output stage on pin 2, but it's
> a simplified schematic.
>
> If you have assembly constraints, you might instead work to improve
> cooling.
>
> Google LM1949 MOSFET for other discussions.
>

--=20
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