[time-nuts] Anybody want a Thunderbolt power supply

Charles Steinmetz csteinmetz at yandex.com
Thu Sep 1 01:44:37 EDT 2016


Gerhard wrote:

> I have made a stamp-sized layout for LT3042 + external npn power transistor
> as shown in the data sheet.  Not fabricated, let alone tested.

Nice!

The datasheet shows both NPN and PNP current multipliers.  Just curious 
-- did you choose the NPN circuit for theoretical considerations, and if 
so what was your reasoning -- the lower open-loop output impedance?

Thanks,

Charles




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