[sdiy] 7905 output voltage, FAQ probably

[Laurie Biddulph]

You need to give them a minimal load to ensure good regulation. if not in 
circuit then stick an LED and resistor across the output to get it running. 
If in circuit then there is probably something wrong

Best Regards

(Mr) Laurie Biddulph
Phone: +61 (0)2 4340 0938
Mobile: 0400 257 645

Elby Designs
ABN: 70 022 727 605
http://www.elby-designs.com

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----- Original Message ----- 
From: "Jason Proctor" <jason at redfish.net>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Saturday, February 07, 2009 12:31 PM
Subject: [sdiy] 7905 output voltage, FAQ probably


> seems that all of the 7905s i got from mouser recently spit out -6.8v or 
> so instead of -5v. is this normal?
>
> the input voltage is a steady -15v, and i'm decoupling the inputs and 
> outputs with 33uf electrolytics. not that changing those or removing them 
> makes any difference.
>
> thanks for any pointers with this.
>
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