<div dir="ltr"><div>Alan, this link says that they have the driver in stock.</div><div><br></div><div><a href="http://dx.affmania.com/en/id-151115/zxy6005-26-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green#.V0yByMb2ZD8">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="gmail_extra"><br><div class="gmail_quote">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">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div 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>  In case any one has come across one, </div><div>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 dir="ltr"><a href="http://www.dx.com/p/zxy6005-2-6-dc-dc-60v-constant-voltage-current-regulated-power-supply-module-green-151115#.V0qbnpF96Uk" target="_blank">ZXY6005 2.6" DC~DC 60V Constant Voltage Current Regulated Power Supply Module - Green</a></div><div><br></div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;max-width:400px" 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="noreferrer"> <table style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td width="400"> <table width="100%" style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td background="https://s.yimg.com/vv//api/res/1.2/V3XOP32kLvVSwfIxaR_inQ--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_151115_1.jpg.cf.jpg" valign="top" style="background: url("https://ci5.googleusercontent.com/proxy/nQqn0iptyDMfhvlFlPa_ZIKRIHFpe4CzWMP1UU-AlGTCq2SVQgy4by9y1FoQ-BM1YwLxp0nsadgP8kcn1KLwi6J5hL6C8vZzsNg7EMb_Hi4QKG6ODUPnRxSghc9PpkYjDGANqP8y3qBTVyLQRCqASows_RZub0hijbOp79BV5yYWDYscvJl85YzaXw5s0nFTu4LY21ygmyEGJrFxef9dpK39NpcJp2vczYx6By1HU5TQvWYdJg8=s0-d-e1-ft#https://s.yimg.com/vv//api/res/1.2/V3XOP32kLvVSwfIxaR_inQ--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_151115_1.jpg.cf.jpg") no-repeat center / cover rgb(0, 0, 0); height: 200px;" bgcolor="#000000">  <table style="width:100%" border="0" cellspacing="0" cellpadding="0" valign="top"> <tbody><tr> <td background="https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png" valign="top" style="background: url("https://ci6.googleusercontent.com/proxy/Or0PpNz8Q2N-T77lb2rdWKcTmD4Aucmk2Ee_LS8DyP6g6BDF3rwx4OyZl6lsUYsZqw8AQBiEM0n0IXQQ0XX4vUAoRYgzG6vu_JFg3P_OaiyHSXs0y-U=s0-d-e1-ft#https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png") left top; height: 200px;" bgcolor="transparent">  <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"> <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"> <div></div> </td> </tr> </tbody></table>  </td> </tr> </tbody></table> </td> </tr> <tr> <td> <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)">  </td> <td style="padding:16px 12px;width:99%;vertical-align:middle"> <h2 style="margin:0px 0px 4px;line-height:19px;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px">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">  </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="HOEnZb"><font color="#888888"><div dir="ltr">Alan<br></div></font></span></div></div><br>_______________________________________________<br>
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