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Article #123Re: Best way to power array of LEDs?
From: Nucharin W. Jansen
Date: Thu, 07 Nov 2002 13:17
Date: Thu, 07 Nov 2002 13:17
30 lines
2547 bytes
2547 bytes
Hello Ken, Bob told me that we can't pareallel LED together without any resister. The one lowest forward voltage drop LED will hog all current. In case of voltage regulator 3.6v, We can parallel LEDs without any resistor ? Tong/. Ken Taylor wrote: > > > http://www.ResurgentSoftware.com/Perfect_LED_Light.html > > > > He parallels all LEDs together without any resistor to > > constant voltage regulator. > > Well, yeah, but what's more complex - a switching power supply or a > resistor??? > > Ken > > > > > > > At last week, I thought the same as him but I plan to do with > > MAX757 ( DIP300 ) stepup IC from batt only 1 or 2 cells. > > But after read several articles here, I get confuse so much. > > > > ^_^
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 112d1e,4ef4c9d4aea85e1f X-Google-Attributes: gid112d1e,public X-Google-Thread: 1118be,4ef4c9d4aea85e1f X-Google-Attributes: gid1118be,public X-Google-Thread: 103407,4ef4c9d4aea85e1f X-Google-Attributes: gid103407,public X-Google-Thread: 10d137,4ef4c9d4aea85e1f X-Google-Attributes: gid10d137,public X-Google-Thread: 1131b0,4ef4c9d4aea85e1f X-Google-Attributes: gid1131b0,public X-Google-ArrivalTime: 2002-11-07 05:30:05 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!panix!yellow.newsread.com!bad-news.newsread.com!netaxs.com!newsread.com!teleglobe.net!news.cscoms.com!not-for-mail From: "Nucharin W. Jansen" <tong@fanwap.com> Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair Subject: Re: Best way to power array of LEDs? Date: Thu, 07 Nov 2002 20:17:55 +0700 Organization: C.S. Communications Co. Ltd. Lines: 30 Message-ID: <3DCA6803.28EC3849@fanwap.com> References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <Rsan9.14070$qh1.1622310@news.ca.inter.net> <2Qan9.3129$cS4.107732@news2.tin.it> <3DC843FE.4A25FFF3@fanwap.com> <aqblsd$10119$1@hades.csu.net> <3DC99AD4.2AB0FE52@fanwap.com> <3DC9A173.812F4764@fanwap.com> <3DC9B37F.453F9C41@fanwap.com> <aqcdg5$8smne$1@ID-76636.news.dfncis.de> NNTP-Posting-Host: dial-12.ras-31.bkk.c.cscoms.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: news.cscoms.com 1036675077 82091 202.183.254.107 (7 Nov 2002 13:17:57 GMT) X-Complaints-To: abuse@cscoms.com NNTP-Posting-Date: Thu, 7 Nov 2002 13:17:57 +0000 (UTC) X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en