Replacement IC needed

[Michael Tallent]

I am pretty sure there is no direct sub for this short lived Motorola
part.  I would probably use a LM723 with necessary circuit changes and
use the pass power transistor that is already in the circuit.  A 3
terminal regulator is probably the simplest but you need to use the
correct one based on the load current and voltage.

Michael Tallent W6MXV

> Doug Shields wrote:
>
> Hello All,
>    I am trying to find a replacement or substitute for the voltage
> regulator IC used in the Heathkit HP-1144 power supply.  The original
> and long obsolete part is a Motorola MFC6030.   Does anyone have any,
> know where I might find a few, or know of a substitute part?  Thanks
> very much.
>
> Doug  W4DAS

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