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</o:shapelayout></xml><![endif]--></head><body lang=CS link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Soudruzi ty moduly trochu zmensili<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.ebay.com/itm/5pcs-3A-DC-Converter-Adjustable-Step-down-Power-Supply-IN-4-5-28V-Out-0-8-20V-/251279356149?%23ht_1569wt_962">http://www.ebay.com/itm/5pcs-3A-DC-Converter-Adjustable-Step-down-Power-Supply-IN-4-5-28V-Out-0-8-20V-/251279356149?#ht_1569wt_962</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Je tam pouzit obvod MP1584. Ja je pouzivam odhadem tak do 500mA a nevsiml jsem si ze by nejak moc hraly, ale na 3A bych to radeji nedrazdil.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Jako vyhodu vidim absenci elektrolytu, coz nebyva zrovna nejsilnejsi stranka cinskych vyrobku.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Plocha je vetsi nez pozadovanych 200m2, ale jdou zapajet i "na kant" jako napr. tohle<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.ebay.com/itm/433MHz-Wireless-Transmitter-Module-Receiver-Module-Alarm-Transmitter-Receiver-/221272869454?pt=LH_DefaultDomain_0&hash=item3384e40a4e">http://www.ebay.com/itm/433MHz-Wireless-Transmitter-Module-Receiver-Module-Alarm-Transmitter-Receiver-/221272869454?pt=LH_DefaultDomain_0&hash=item3384e40a4e</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>a pak je plocha cca 70mm2, jen trochu trci. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-jp-<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] <b>On Behalf Of </b>Draček Fráček<br><b>Sent:</b> Sunday, October 20, 2013 2:30 PM<br><b>To:</b> HW-news<br><b>Subject:</b> Re: Step Down, in 9-24V, out < 0.5A v malem pouzdru (TPS62175)<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Jde mi o IC samotne menice, ne o modul, na ten jsem daval odkaz pro zajimavost.<o:p></o:p></p></div><div><p class=MsoNormal>Blizsi k modulum napriklad zde <br><a href="http://www.eevblog.com/forum/reviews/lm2596-dc-dc-step-down-modules-load-testing/?PHPSESSID=83eb650e5963245039c5ce48621cf5c3">http://www.eevblog.com/forum/reviews/lm2596-dc-dc-step-down-modules-load-testing/?PHPSESSID=83eb650e5963245039c5ce48621cf5c3</a><o:p></o:p></p></div><div><p class=MsoNormal>Ano cinani na modulu osidlili co slo,z meho pohledu to osidili naprost nesmyslne, kdy uz cinani pochopi, ze modul nemusi stat 1$, ale klidne 2$ .<o:p></o:p></p></div><div><p class=MsoNormal>Poukazoval jsem na, za 20Kc neposlete u nas ani obalku plnou vzduchu do sousedni vesnice a cinan za to posle neco z sousedniho svetadilu a ocividne na tom neprodela.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Cinskych LM2596 jsem koupil cca 200ks a bezne je pouzivam tak do te 1A, ucinnost roshodne pres 83% za 0.3$ zlata koupe. Zvlaste kdyz za cca dva roky neodesel ani jediny a stejna soucastka v TME stoji cca desetinasobek :-).<br><br><o:p></o:p></p></div><div><p class=MsoNormal>Martin<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>Dne 20. října 2013 11:00 Admin HWnews <<a href="mailto:hwnews@cncnet.info" target="_blank">hwnews@cncnet.info</a>> napsal(a):<o:p></o:p></p><p class=MsoNormal>Tak si ho objednejte a zase se rad do EU vratite...nedavno jsem to zde resil - ten modul jsem potreboval na nabijeni baterii. Pri 500mA topil jak kaminka a pri 1A hrozilo nove pretaveni cinu na desce. Nekde najdu to vlakno.<br><br>Mel jsem jak moduly s klasickou tlemivkou tak s smd (ta byla o neco lepsi).<br>Nasel jsem k tomu vlaknu obrazky:<br><br><a href="http://www.cncnet.info/galery/cina_moduly/" target="_blank">http://www.cncnet.info/galery/cina_moduly/</a><br><br>Dne 20.10.2013 10:06, Draček Fráček napsal(a):<o:p></o:p></p><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Pri pohledu na tyto ceny clovek pochopi proc jsme a cela EU je na ceste<br>do ....<br><br>Martin<o:p></o:p></p></blockquote></div><p class=MsoNormal>_______________________________________________<br>HW-list mailing list - sponsored by <a href="http://www.HW.cz" target="_blank">www.HW.cz</a><br><a href="mailto:Hw-list@list.hw.cz" target="_blank">Hw-list@list.hw.cz</a><br><a href="http://list.hw.cz/mailman/listinfo/hw-list" target="_blank">http://list.hw.cz/mailman/listinfo/hw-list</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>