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	<title>Comments on: Luxeon III Star Project</title>
	<atom:link href="http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/feed/" rel="self" type="application/rss+xml" />
	<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/</link>
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	<item>
		<title>By: gajah_gendut</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-119496</link>
		<dc:creator>gajah_gendut</dc:creator>
		<pubDate>Wed, 22 Apr 2009 04:10:19 +0000</pubDate>
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		<description>bener, baiknya current dulu baru voltage.

kalo IC317 terlalu panas, berarti rating current nya diatas 650mA. meski secara teori dalam datasheet dia bisa sampe 1.5A, tapi pada prakteknya jika dipaksa segede itu akan terbakar.

coba ic 317 diganti dengan LM338T. bisa drive current sampe dengan 7A (peak) dg rata2 5A.
itungan resistornya sama persis degan LM317.</description>
		<content:encoded><![CDATA[<p>bener, baiknya current dulu baru voltage.</p>
<p>kalo IC317 terlalu panas, berarti rating current nya diatas 650mA. meski secara teori dalam datasheet dia bisa sampe 1.5A, tapi pada prakteknya jika dipaksa segede itu akan terbakar.</p>
<p>coba ic 317 diganti dengan LM338T. bisa drive current sampe dengan 7A (peak) dg rata2 5A.<br />
itungan resistornya sama persis degan LM317.</p>
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	<item>
		<title>By: Jimmy Auw</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-119223</link>
		<dc:creator>Jimmy Auw</dc:creator>
		<pubDate>Thu, 05 Feb 2009 17:10:07 +0000</pubDate>
		<guid isPermaLink="false">http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/#comment-119223</guid>
		<description>Saya agak lupa ya... kayanya current dulu deh.
Sebaiknya download datasheet LM317-nya Pak agar yakin.
Bisa hitung juga disipasi panas-nya. Kalo terlalu panas, tampaknya Anda harus pake heatsink yang lebih gede. 90 derajat sih kepanasan rasanya.

Thanks.</description>
		<content:encoded><![CDATA[<p>Saya agak lupa ya&#8230; kayanya current dulu deh.<br />
Sebaiknya download datasheet LM317-nya Pak agar yakin.<br />
Bisa hitung juga disipasi panas-nya. Kalo terlalu panas, tampaknya Anda harus pake heatsink yang lebih gede. 90 derajat sih kepanasan rasanya.</p>
<p>Thanks.</p>
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	<item>
		<title>By: Danny</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-119221</link>
		<dc:creator>Danny</dc:creator>
		<pubDate>Thu, 05 Feb 2009 16:36:18 +0000</pubDate>
		<guid isPermaLink="false">http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/#comment-119221</guid>
		<description>Bro Jimmy,

Lama nggak mampir ke &#039;Chip&#039;
Mau tanya, regulatornya &#039;current regulator&#039; dulu atau &#039;voltage regulator&#039; dulu ya?. 
Saya DIY driver untuk Luxeon 5 W (6,8 Volt 700 mA), di-suplly accu 12 Volt, LED nya nggak terlalu panas tapi LM 317 nya panas sekali, apakah aman LM-317 + heatsink berjalan di ~90 C

Salam,</description>
		<content:encoded><![CDATA[<p>Bro Jimmy,</p>
<p>Lama nggak mampir ke &#8216;Chip&#8217;<br />
Mau tanya, regulatornya &#8216;current regulator&#8217; dulu atau &#8216;voltage regulator&#8217; dulu ya?.<br />
Saya DIY driver untuk Luxeon 5 W (6,8 Volt 700 mA), di-suplly accu 12 Volt, LED nya nggak terlalu panas tapi LM 317 nya panas sekali, apakah aman LM-317 + heatsink berjalan di ~90 C</p>
<p>Salam,</p>
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	</item>
	<item>
		<title>By: Jimmy Auw</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-48000</link>
		<dc:creator>Jimmy Auw</dc:creator>
		<pubDate>Fri, 01 Aug 2008 00:25:17 +0000</pubDate>
		<guid isPermaLink="false">http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/#comment-48000</guid>
		<description>Saya terakhir beli di Farnell, Singapore. Itupun sudah lama, sekitar 2 tahun lalu.
Thanks.</description>
		<content:encoded><![CDATA[<p>Saya terakhir beli di Farnell, Singapore. Itupun sudah lama, sekitar 2 tahun lalu.<br />
Thanks.</p>
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	<item>
		<title>By: Alam</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-47996</link>
		<dc:creator>Alam</dc:creator>
		<pubDate>Fri, 01 Aug 2008 00:02:30 +0000</pubDate>
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		<description>Tertarik juga sama LEDnya. bisa beli di mana ? dan berapa harganya ?
Apa di Glodok sudah ada ? Aku boleh pesan khan.

Terima kasih.</description>
		<content:encoded><![CDATA[<p>Tertarik juga sama LEDnya. bisa beli di mana ? dan berapa harganya ?<br />
Apa di Glodok sudah ada ? Aku boleh pesan khan.</p>
<p>Terima kasih.</p>
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	</item>
	<item>
		<title>By: Jimmy Auw</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-47886</link>
		<dc:creator>Jimmy Auw</dc:creator>
		<pubDate>Thu, 31 Jul 2008 11:07:53 +0000</pubDate>
		<guid isPermaLink="false">http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/#comment-47886</guid>
		<description>Hi,
You can check the LM317 datasheet and find the schematic to regulate the Voltage and Current (you will need 2 pcs of LM317 for these two function).

Thank you.</description>
		<content:encoded><![CDATA[<p>Hi,<br />
You can check the LM317 datasheet and find the schematic to regulate the Voltage and Current (you will need 2 pcs of LM317 for these two function).</p>
<p>Thank you.</p>
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	</item>
	<item>
		<title>By: Azman</title>
		<link>http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/comment-page-1/#comment-19002</link>
		<dc:creator>Azman</dc:creator>
		<pubDate>Sun, 07 Oct 2007 04:18:15 +0000</pubDate>
		<guid isPermaLink="false">http://jimmyauw.com/2007/05/13/luxeon-iii-star-project/#comment-19002</guid>
		<description>can you publish the schematic diagram of the drivers that you use in this project ?</description>
		<content:encoded><![CDATA[<p>can you publish the schematic diagram of the drivers that you use in this project ?</p>
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