<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1464637003822_3643"><span id="yui_3_16_0_ym19_1_1464637003822_3653">Thanks Cliff,</span></div><div id="yui_3_16_0_ym19_1_1464637003822_3644" dir="ltr"><span id="yui_3_16_0_ym19_1_1464637003822_3652">it says "extreme deal" then links to Deal Extreme & says "out of stock".</span></div><div dir="ltr"><span> I have noticed a number of other high powered LED drivers out of</span></div><div id="yui_3_16_0_ym19_1_1464637003822_3688" dir="ltr"><span id="yui_3_16_0_ym19_1_1464637003822_3687">stock. These large LEDs must be very popular.</span></div><div id="yui_3_16_0_ym19_1_1464637003822_3723" dir="ltr"><span id="yui_3_16_0_ym19_1_1464637003822_3722">I have some good 36V constant current drivers that I am running them off</span></div><div dir="ltr"><span>but will eventually need that step down from my 48V system.</span></div><div dir="ltr"><span>Alan</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1464637003822_3645"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1464637003822_3629" style="display: block;"> <div id="yui_3_16_0_ym19_1_1464637003822_3628" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1464637003822_3627" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1464637003822_3626" dir="ltr"> <font id="yui_3_16_0_ym19_1_1464637003822_3646" face="Arial" size="2"> <hr size="1"> <b><span style="font-weight: bold;">From:</span></b> Cliff Redus via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, May 31, 2016 6:10 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Constant current LED driver<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1464637003822_3641"><br><div id="yiv1055120930"><div id="yui_3_16_0_ym19_1_1464637003822_3640"><div id="yui_3_16_0_ym19_1_1464637003822_3725" dir="ltr"><div id="yui_3_16_0_ym19_1_1464637003822_3724">Alan, this link says that they have the driver in stock.</div><div><br clear="none"></div><div id="yui_3_16_0_ym19_1_1464637003822_3727"><a id="yui_3_16_0_ym19_1_1464637003822_3726" href="http://dx.affmania.com/en/id-151115/zxy6005-26-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green#.V0yByMb2ZD8" target="_blank" rel="nofollow" shape="rect">http://dx.affmania.com/en/id-151115/zxy6005-26-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green#.V0yByMb2ZD8</a></div></div><div class="yiv1055120930gmail_extra" id="yui_3_16_0_ym19_1_1464637003822_3639"><br clear="none"><div class="yiv1055120930gmail_quote" id="yui_3_16_0_ym19_1_1464637003822_3638">On Sun, May 29, 2016 at 5:26 AM, Alan James via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="yiv1055120930gmail_quote" id="yui_3_16_0_ym19_1_1464637003822_3637" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;"><div class="yiv1055120930yqt3301534472" id="yiv1055120930yqt81531"><div id="yui_3_16_0_ym19_1_1464637003822_3636"><div id="yui_3_16_0_ym19_1_1464637003822_3635" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div id="yui_3_16_0_ym19_1_1464637003822_3728"> In case any one has come across one, </div><div id="yui_3_16_0_ym19_1_1464637003822_3642">I am looking for a DC/DC step down (buck driver) module with constant current adjustment.</div><div>I need to drop the voltage from 50V input to 32-36 to drive my LEDs.</div><div>There is this module...</div><div id="yui_3_16_0_ym19_1_1464637003822_3634" dir="ltr"><a id="yui_3_16_0_ym19_1_1464637003822_3633" href="http://www.dx.com/p/zxy6005-2-6-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green-151115#.V0qbnpF96Uk" target="_blank" rel="nofollow" shape="rect">ZXY6005 2.6" DC~DC 60V Constant Voltage Current Regulated Power Supply Module - Green</a></div><div><br clear="none"></div><div dir="ltr"> <a style="color: rgb(0, 0, 0) !important; text-decoration: none !important;" href="http://www.dx.com/p/zxy6005-2-6-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green-151115#.V0qbnpF96Uk" target="_blank" rel="nofollow" shape="rect"> <table style="max-width: 400px;" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td width="400" rowspan="1" colspan="1"> <table width="100%" style="max-width: 400px;" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td height="" valign="top" bgcolor="#000000" rowspan="1" colspan="1"> <table style="width: 100%;" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td height="" valign="top" bgcolor="transparent" rowspan="1" colspan="1"> <table height="185" style="width: 100%; height: 185px; min-height: 185px;"><tbody><tr><td style="padding: 15px 0px 0px 15px; text-align: left; vertical-align: top;" rowspan="1" colspan="1"> <span style="color: rgb(255, 255, 255); font-size: 18px; font-weight: bold;"> $ 46.19 </span> </td><td style="padding: 15px 15px 0px 0px; text-align: right; vertical-align: top;" rowspan="1" colspan="1"> <div></div> </td></tr></tbody></table> </td></tr></tbody></table> </td></tr><tr><td rowspan="1" colspan="1"> <table align="center" style="background: rgb(255, 255, 255); border-width: 1px 1px 3px; border-style: solid; border-color: rgb(224, 228, 233) rgb(224, 228, 233) rgb(0, 0, 0); width: 95%; margin-right: auto; margin-left: auto; max-width: 380px;" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td style="padding: 16px 0px 16px 12px; vertical-align: top; background-color: rgb(255, 255, 255);" rowspan="1" colspan="1"> </td><td style="padding: 16px 12px; width: 99%; vertical-align: middle;" rowspan="1" colspan="1"> <h2 style="margin: 0px 0px 4px; line-height: 19px;">ZXY6005 2.6" DC~DC 60V Constant Voltage Current Regulated Power Supply...</h2> <div style="color: rgb(153, 153, 153); line-height: 15px; font-size: 11px;">I like this from DX. Find the cool gadgets at a incredibly low price with worldwide free shipping here.</div> </td><td style="padding: 16px 12px 16px 0px; text-align: right;" rowspan="1" colspan="1"> </td></tr></tbody></table> </td></tr></tbody></table> </td></tr></tbody></table> </a></div><div dir="ltr">it will do what I want, but is a bit big & expensive. One option is to buy a couple of these &</div><div dir="ltr">just use the voltage step down function & run a number of smaller constant current drivers off it.</div><div dir="ltr">For anyone running 36V, there are a heap of cheap constant current drivers & LEDs in that</div><div dir="ltr">range to make up cheap & powerful lights.</div><span class="yiv1055120930HOEnZb"><font color="#888888"></font></span><div dir="ltr">Alan<br clear="none"></div></div></div></div><br clear="none">_______________________________________________<br clear="none">
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