Subject:
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Re: 4548 modification
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Newsgroups:
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lugnet.trains
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Date:
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Thu, 22 Aug 2002 04:12:02 GMT
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Viewed:
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977 times
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In lugnet.trains, Ross Crawford writes:
> Do you have any problems with heat when you run at high current for long
> periods?
>
> ROSCO
It was tested for 15 minutes.
The electric current was between 1.0A and 2.0A on the test.
The regurator with heatsink was hot.But that does not exceed 60 degrees(c).
I can touch the regulator.On the datasheets
http://www.national.com/ds/LM/LM150.pdf
http://semi.shindengen.co.jp/en/s3v20.pdf
both chips can operate .
If you worry the heatdamage,drill some cooling hole on the case body.
Kanefusa
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