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From: scheini1 on 18 Jun 2010 10:33
Hello all,

I can identify neither type nor manufacturer of above IC. Can anyone
help please?
Case is similar to 6 lead SOT / DDC / R-PDSO-G6 like:
http://focus.ti.com/lit/ml/mpds124d/mpds124d.pdf
Photo of IC located here: http://s10.directupload.net/images/100617/ax2bpccc.jpg

Thank you very much in advance.

Karl
From: Archimedes' Lever on 18 Jun 2010 11:59
On Fri, 18 Jun 2010 07:33:39 -0700 (PDT), scheini1(a)gmx.at wrote:

>Hello all,
>
>I can identify neither type nor manufacturer of above IC. Can anyone
>help please?
>Case is similar to 6 lead SOT / DDC / R-PDSO-G6 like:
>http://focus.ti.com/lit/ml/mpds124d/mpds124d.pdf
>Photo of IC located here: http://s10.directupload.net/images/100617/ax2bpccc.jpg
>
>Thank you very much in advance.
>
>Karl

Find the maker of the logo for the chip fab and work backwards.

It looks like an A with a small i or r in it.
From: Scheini Karl on 18 Jun 2010 15:11
On 18 Jun., 17:59, Archimedes' Lever <OneBigLe...(a)InfiniteSeries.Org>
wrote:
> On Fri, 18 Jun 2010 07:33:39 -0700 (PDT), schei...(a)gmx.at wrote:
> >Hello all,
>
> >I can identify neither type nor manufacturer of above IC. Can anyone
> >help please?
> >Case is similar to 6 lead SOT / DDC / R-PDSO-G6 like:
> >http://focus.ti.com/lit/ml/mpds124d/mpds124d.pdf
> >Photo of IC located here:http://s10.directupload.net/images/100617/ax2bpccc.jpg
>
> >Thank you very much in advance.
>
> >Karl
>
>   Find the maker of the logo for the chip fab and work backwards.
>
>   It looks like an A with a small i or r in it.

Thank you. This logo was hard to find, but meanwhile I found out that
it is from bcdsemi.com

So I found a base for my further investigations.

Regards,

Karl
From: Archimedes' Lever on 18 Jun 2010 15:38
On Fri, 18 Jun 2010 12:11:01 -0700 (PDT), Scheini Karl <scheini1(a)gmx.at>
wrote:

>On 18 Jun., 17:59, Archimedes' Lever <OneBigLe...(a)InfiniteSeries.Org>
>wrote:
>> On Fri, 18 Jun 2010 07:33:39 -0700 (PDT), schei...(a)gmx.at wrote:
>> >Hello all,
>>
>> >I can identify neither type nor manufacturer of above IC. Can anyone
>> >help please?
>> >Case is similar to 6 lead SOT / DDC / R-PDSO-G6 like:
>> >http://focus.ti.com/lit/ml/mpds124d/mpds124d.pdf
>> >Photo of IC located here:http://s10.directupload.net/images/100617/ax2bpccc.jpg
>>
>> >Thank you very much in advance.
>>
>> >Karl
>>
>> � Find the maker of the logo for the chip fab and work backwards.
>>
>> � It looks like an A with a small i or r in it.
>
>Thank you. This logo was hard to find, but meanwhile I found out that
>it is from bcdsemi.com
>
>So I found a base for my further investigations.
>
>Regards,
>
>Karl

Few give regards to me here. Thanks.
From: dagmargoodboat on 19 Jun 2010 08:07
On Jun 18, 3:11 pm, Scheini Karl <schei...(a)gmx.at> wrote:
> On 18 Jun., 17:59, Archimedes' Lever <OneBigLe...(a)InfiniteSeries.Org>
> wrote:
>
>
>
> > On Fri, 18 Jun 2010 07:33:39 -0700 (PDT), schei...(a)gmx.at wrote:
> > >Hello all,
>
> > >I can identify neither type nor manufacturer of above IC. Can anyone
> > >help please?
> > >Case is similar to 6 lead SOT / DDC / R-PDSO-G6 like:
> > >http://focus.ti.com/lit/ml/mpds124d/mpds124d.pdf
> > >Photo of IC located here:http://s10.directupload.net/images/100617/ax2bpccc.jpg
>
> > >Thank you very much in advance.
>
> > >Karl
>
> >   Find the maker of the logo for the chip fab and work backwards.
>
> >   It looks like an A with a small i or r in it.
>
> Thank you. This logo was hard to find, but meanwhile I found out that
> it is from bcdsemi.com
>
> So I found a base for my further investigations.
>
> Regards,
>
> Karl

CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER AP4313
General Description

The AP4313 is a highly integrated solution for a constant
voltage/constant current mode SMPS application.
The AP4313 contains one 1.21V voltage reference
with ±1% accuracy, one current sensing circuit and two
operational amplifiers. Combining the voltage reference
with one operational amplifier makes AP4313 an
ideal voltage controller for use in adapters and battery
chargers. The other low voltage reference combined
with the other operational amplifier makes it an ideal
current limiter for output low side current sensing.

http://www.bcdsemi.com/ASP/productpic/2006951006131356.2%20060830.pdf

--
Cheers,
James Arthur
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