If you already have +2.5V then a simple flying capacitor inverter should
give you -2.5V.  Maxim has those.

Doug Butler
Sherpa Engineering


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Micro Eng
> Sent: Tuesday, May 14, 2002 12:34 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [EE]:analog supply - +/- 2.5V
>
>
> Anyone seen a switcher or regulator that can give me -2.5V from a
> 5V source?
>   Looked at Maxim (yek..delivery), TI, few others...yet to find anything.
>
>
>
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