To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.trainsOpen lugnet.trains in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Trains / 17394
17393  |  17395
Subject: 
Re: 4548 modification
Newsgroups: 
lugnet.trains
Date: 
Thu, 22 Aug 2002 04:12:02 GMT
Viewed: 
1113 times
  
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



Message is in Reply To:
  Re: 4548 modification
 
(...) periods? ROSCO (22 years ago, 22-Aug-02, to lugnet.trains)

5 Messages in This Thread:


Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

Custom Search

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR