Re: [uCsimm] Regulator part on uCgardener

From: Brian Reuter (breuter@lucent.com)
Date: Sun Jul 08 2001 - 21:19:06 EDT


The only issue is that the regulator onboard is now obsolete (at least
in the TO-92 package). I replaced mine with "LT1121CZ-3.3-ND", however
you must go get the datasheet as the pin assignments are different. I
believe this part is from Linear Tech.

Brian

Geoffrey Wossum wrote:
>
> Hi Anand,
>
> > Does anyone know what the U1 part on the uCgardener board is ? Seems to be
> > some sort of 3-pin regulator or just a transistor. It wasn't working on one
> > of my boards (the supply voltage was more than 3.6V) and I cannibalized it
> > from another uCgardener board but I would like to replace it. The schematic
> > doesn't give any part number.
>
> The one on the uCgardner board is a Telcom 55RP3302. They're available
> from DigiKey. On a board I designed, I used a Zetex ZR78L033 with good
> results. It's also available from DigiKey.
>
> ---
> Geoffrey Wossum
>
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