[sdiy] DC/DC DC/AC converter IC ???

[Maarten Halmans]

I think it's relay, 12 Volt is the coil voltage, the other values are 
maximum currents.
L8r,
Maarten

----- Original Message ----- 
From: "Chris Stecker" <cstecker at umich.edu>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, March 31, 2005 9:24 PM
Subject: [sdiy] DC/DC DC/AC converter IC ???


> Hi all,
>
> I'm trying to identify an IC in a circuit I'm modding (a headphone
> buffer/amplifier system). The case markings are pretty descriptive, but 
> I'd
> like to know more about it's operation, maybe a data sheet...
>
> It appears to be a set of 3 step-up DC/DC and DC/AC converters. The 
> package is
> orange, 16-pin DIP size (but tall). It has 8 pins. In our device, only 4 
> are
> connected. The markings are:
>
> NAiS 9906A
> DS2E-5-DC12V
>
> 0.6A 125v AC
> 0.6A 110v DC
> 2A 30v DC
>
> Here's a photo of the markings:
> http://www.ebire.org/~cstecker/ic_marks.jpg
>
> And a side-on view of the package:
> http://www.ebire.org/~cstecker/ic_wide.jpg
>
> The system is powered by 9v DC wallwart, and the "DS2E" provides power to 
> the
> differential amp IC (balanced-line input buffer) next door to it (which 
> can
> run on anything from +/- 4v to +/- 18v). My guess is that the "DS2E" is
> converting the 9v to something like +/- 15 on it's "30v" output, but I'm
> really not sure.
>
> We need to replace the 9v supply with a 12v DC supply (to power other 
> circuits
> in the system) and mainly need to know whether we can get away with 
> feeding
> this thing 12v or we need to get back to 9v first. I'd be super-happy with
> any information, but a data sheet would be tops!
>
> Thanks,
>
> Chris Stecker
>
>
>
>