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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I looked at this chip and it’s primarily a buck voltage regulator not intended for use as a constant current LED driver.<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'>You can try using it but I’m not optimistic about them.<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'>Let me know if it works.<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'>Ken Martindale<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><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>Alan James via Personal_Submersibles<br><b>Sent:</b> Tuesday, August 18, 2015 8:02 AM<br><b>To:</b> Personal Submersibles General Discussion <personal_submersibles@psubs.org><br><b>Subject:</b> [PSUBS-MAILIST] LED Driver<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div id=yiv1219184200><div id="yui_3_16_0_1_1439898154476_2494"><div id="yui_3_16_0_1_1439898154476_2493"><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>Bought this LED driver & a 4000 & 6000 lumen emitter.<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>It may be helpful with regard to our open source light.<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>This one describes itself as having a wattage output limitation, <o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>beyond which cooling is required. This may be just a heat sink but<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>I'm not sure. <o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>There are other higher powered constant voltage, constant<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>current drivers on site. <o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>There was no description of how it worked with the product, but managed to<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>find one on the site posted at the bottom. The blue trim-pot on the left<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>increases voltage by a clockwise turning & the right trim-pot increases current.<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'>Alan<o:p></o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><a href="http://www.dx.com/p/led-power-driver-constant-voltage-current-adjustable-module-blue-black-140060#.VdMbt7KqpBc">LED Power Driver Constant Voltage / Current Adjustable Module - Blue + Black</a><o:p></o:p></span></p></div><div style='margin-top:3.75pt;margin-bottom:3.75pt' id="enhancrCard_1"><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=675 style='width:337.5pt;border-collapse:collapse'><tr style='height:.75pt'><td colspan=8 style='background:#E5E5E5;padding:0in 0in 0in 0in;height:.75pt'><div id="yui_3_16_0_1_1439898154476_3141"><p class=MsoNormal style='mso-line-height-alt:0pt;background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr style='height:4.5pt' id="yui_3_16_0_1_1439898154476_2819"><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt'><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td><td width=252 rowspan=5 style='width:1.75in;background:black;padding:0in 0in 0in 0in;height:4.5pt'><p class=MsoNormal align=center style='text-align:center'><a href="http://www.dx.com/p/led-power-driver-constant-voltage-current-adjustable-module-blue-black-140060#.VdMbt7KqpBc"><span style='border:solid windowtext 1.0pt;padding:0in;text-decoration:none'><img border=0 width=168 height=168 id="_x0000_i1025" src="cid:image001.jpg@01D0E59D.E276D850" alt="Image removed by sender. image"></span></a><o:p></o:p></p></td><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt'><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td><td width=21 rowspan=5 style='width:10.5pt;background:white;padding:0in 0in 0in 0in;height:4.5pt'><div><p class=MsoNormal style='background:white'><span style='font-size:14.0pt'> <o:p></o:p></span></p></div></td><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2944"><div id="yui_3_16_0_1_1439898154476_2943"><p class=MsoNormal style='background:white'><span style='font-size:6.0pt'> <o:p></o:p></span></p></div></td><td width=30 rowspan=5 style='width:15.0pt;background:white;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2823"><div id="yui_3_16_0_1_1439898154476_2822"><p class=MsoNormal style='background:white'><span style='font-size:20.0pt'> <o:p></o:p></span></p></div></td><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2818"><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr id="yui_3_16_0_1_1439898154476_2825"><td width="100%" colspan=2 style='width:100.0%;padding:0in 0in 0in 0in' id="yui_3_16_0_1_1439898154476_2824"><div id="yui_3_16_0_1_1439898154476_2938"><div id="yui_3_16_0_1_1439898154476_2940"><p class=MsoNormal style='line-height:12.4pt;background:white;word-break:break-all'><span style='font-family:"Georgia",serif'><a href="http://www.dx.com/p/led-power-driver-constant-voltage-current-adjustable-module-blue-black-140060#.VdMbt7KqpBc"><span class=link-enhancr-element><span style='font-size:13.5pt;color:black;text-decoration:none'>LED Power Driver Constant Voltage / Current Adjustable...</span></span></a><o:p></o:p></span></p><div id="yui_3_16_0_1_1439898154476_2939"><p class=MsoNormal style='line-height:15.0pt;background:white;word-break:break-all'><span style='font-size:10.0pt;font-family:"Georgia",serif;color:#999999'>I like this from DX. Find the cool gadgets at a incredibly low price with worldwide free shipping here.<o:p></o:p></span></p></div></div></div></td></tr><tr style='height:3.0pt' id="yui_3_16_0_1_1439898154476_2828"><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:3.0pt' id="yui_3_16_0_1_1439898154476_2827"></td></tr><tr id="yui_3_16_0_1_1439898154476_2831"><td style='padding:0in 0in 0in 0in' id="yui_3_16_0_1_1439898154476_2834"><div id="yui_3_16_0_1_1439898154476_2833"><p class=MsoNormal><span style='font-size:1.0pt;font-family:"Arial",sans-serif'><a href="http://www.dx.com/p/led-power-driver-constant-voltage-current-adjustable-module-blue-black-140060#.VdMbt7KqpBc" target="_blank"><span class=link-enhancr-element><span style='font-size:7.0pt;color:#999999;text-decoration:none'>View on </span></span><span class=link-enhancr-view-on-domain><b><span style='font-size:7.0pt;color:#999999;text-decoration:none'>www.dx.com</span></b></span></a><o:p></o:p></span></p></div></td><td width=150 style='width:75.0pt;padding:0in 0in 0in 0in' id="yui_3_16_0_1_1439898154476_2830"><p class=MsoNormal align=right style='text-align:right;line-height:8.25pt'><span class=link-enhancr-element><span style='font-size:7.0pt;font-family:"Arial",sans-serif;color:#999999'>Preview by Yahoo</span></span><span style='font-size:1.0pt;font-family:"Arial",sans-serif'><o:p></o:p></span></p></td></tr><tr style='height:6.75pt' id="yui_3_16_0_1_1439898154476_2840"><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:6.75pt' id="yui_3_16_0_1_1439898154476_2839"></td></tr><tr style='height:.75pt'><td colspan=8 style='background:#E5E5E5;padding:0in 0in 0in 0in;height:.75pt'><div><p class=MsoNormal style='mso-line-height-alt:0pt;background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr height=0><td width=1 style='border:none'></td><td width=172 style='border:none'></td><td width=1 style='border:none'></td><td width=7 style='border:none'></td><td width=234 style='border:none'></td><td width=249 style='border:none'></td><td width=10 style='border:none'></td><td width=1 style='border:none'></td></tr></table></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><a href="http://www.xscyz.com/index.php?main_page=product_info&products_id=284">1~35V DC 25W Power LED Driver Supply LM2596 CC CV Light [Constant Voltage Current_A] - $15.00 : Zen Cart!, The Art of E-commerce</a><o:p></o:p></span></p></div><div style='margin-top:3.75pt;margin-bottom:3.75pt' id="enhancrCard_0"><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=675 style='width:337.5pt;border-collapse:collapse'><tr style='height:.75pt'><td colspan=8 style='background:#E5E5E5;padding:0in 0in 0in 0in;height:.75pt'><div id="yui_3_16_0_1_1439898154476_2760"><p class=MsoNormal style='mso-line-height-alt:0pt;background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr style='height:4.5pt' id="yui_3_16_0_1_1439898154476_2683"><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt'><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td><td width=252 rowspan=5 style='width:1.75in;background:black;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2744"><p class=MsoNormal align=center style='text-align:center'><a href="http://www.xscyz.com/index.php?main_page=product_info&products_id=284" id="yui_3_16_0_1_1439898154476_2749"><span style='border:solid windowtext 1.0pt;padding:0in;text-decoration:none'><img border=0 width=168 height=114 id="yui_3_16_0_1_1439898154476_2748" src="cid:image002.jpg@01D0E59D.E276D850" alt="Image removed by sender. image"></span></a><o:p></o:p></p></td><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2747"><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td><td width=21 rowspan=5 style='width:10.5pt;background:white;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2745"><div id="yui_3_16_0_1_1439898154476_2746"><p class=MsoNormal style='background:white'><span style='font-size:14.0pt'> <o:p></o:p></span></p></div></td><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2759"><div id="yui_3_16_0_1_1439898154476_2758"><p class=MsoNormal style='background:white'><span style='font-size:6.0pt'> <o:p></o:p></span></p></div></td><td width=30 rowspan=5 style='width:15.0pt;background:white;padding:0in 0in 0in 0in;height:4.5pt' id="yui_3_16_0_1_1439898154476_2682"><div><p class=MsoNormal style='background:white'><span style='font-size:20.0pt'> <o:p></o:p></span></p></div></td><td width=2 rowspan=5 style='width:.75pt;background:#E5E5E5;padding:0in 0in 0in 0in;height:4.5pt'><div><p class=MsoNormal style='background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr id="yui_3_16_0_1_1439898154476_2676"><td width="100%" colspan=2 style='width:100.0%;padding:0in 0in 0in 0in' id="yui_3_16_0_1_1439898154476_2675"><div id="yui_3_16_0_1_1439898154476_2674"><div id="yui_3_16_0_1_1439898154476_2673"><p class=MsoNormal style='line-height:12.4pt;background:white;word-break:break-all'><span style='font-family:"Georgia",serif'><a href="http://www.xscyz.com/index.php?main_page=product_info&products_id=284"><span class=link-enhancr-element><span style='font-size:13.5pt;color:black;text-decoration:none'>1~35V DC 25W Power LED Driver Supply LM2596 CC CV...</span></span></a><o:p></o:p></span></p><div id="yui_3_16_0_1_1439898154476_2672"><p class=MsoNormal style='line-height:15.0pt;background:white;word-break:break-all'><span style='font-size:10.0pt;font-family:"Georgia",serif;color:#999999'>Zen Cart! 1~35V DC 25W Power LED Driver Supply LM2596 CC CV Light [Constant Voltage Current_A] - LED Power Driver Constant Voltage / Current Adjustable C...<o:p></o:p></span></p></div></div></div></td></tr><tr style='height:3.0pt'><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:3.0pt'></td></tr><tr><td style='padding:0in 0in 0in 0in'><div><p class=MsoNormal><span style='font-size:1.0pt;font-family:"Arial",sans-serif'><a href="http://www.xscyz.com/index.php?main_page=product_info&products_id=284" target="_blank"><span class=link-enhancr-element><span style='font-size:7.0pt;color:#999999;text-decoration:none'>View on </span></span><span class=link-enhancr-view-on-domain><b><span style='font-size:7.0pt;color:#999999;text-decoration:none'>www.xscyz.com</span></b></span></a><o:p></o:p></span></p></div></td><td width=150 style='width:75.0pt;padding:0in 0in 0in 0in'><p class=MsoNormal align=right style='text-align:right;line-height:8.25pt'><span class=link-enhancr-element><span style='font-size:7.0pt;font-family:"Arial",sans-serif;color:#999999'>Preview by Yahoo</span></span><span style='font-size:1.0pt;font-family:"Arial",sans-serif'><o:p></o:p></span></p></td></tr><tr style='height:6.75pt'><td colspan=2 style='background:white;padding:0in 0in 0in 0in;height:6.75pt'></td></tr><tr style='height:.75pt'><td colspan=8 style='background:#E5E5E5;padding:0in 0in 0in 0in;height:.75pt'><div><p class=MsoNormal style='mso-line-height-alt:0pt;background:#E5E5E5'><span style='font-size:1.0pt'> <o:p></o:p></span></p></div></td></tr><tr height=0><td width=1 style='border:none'></td><td width=172 style='border:none'></td><td width=1 style='border:none'></td><td width=7 style='border:none'></td><td width=251 style='border:none'></td><td width=232 style='border:none'></td><td width=10 style='border:none'></td><td width=1 style='border:none'></td></tr></table></div><div id="yiv1219184200yui_3_16_0_1_1439897908673_2457"><p class=MsoNormal style='background:white'><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div></div></div></div></div></div></body></html>