Comments on: Poorman’s Buck Schematic and BOM https://blog.theledart.com/blog/poormans-buck-schematic-and-bom/ Art and Technology are Friends Tue, 18 Aug 2020 10:01:26 +0000 hourly 1 http://wordpress.org/?v=3.9.1 By: The LED Artist https://blog.theledart.com/blog/poormans-buck-schematic-and-bom/comment-page-1/#comment-1786 Thu, 25 Oct 2012 14:25:42 +0000 http://www.theledart.com/blog/?p=977#comment-1786 Standard silicon diode has a forward voltage drop of about 0.6V. The current through D1 is limited by R1, to about 5mA.
D1 is used to create a reference voltage to compare the output current against.

]]> By: coolbro https://blog.theledart.com/blog/poormans-buck-schematic-and-bom/comment-page-1/#comment-1783 Thu, 25 Oct 2012 06:58:21 +0000 http://www.theledart.com/blog/?p=977#comment-1783 I have one doubt in this schematic. It has one diode D1. Why it is there won’t it will get short and all the current will drain through it.

]]> By: Peter Enmore @ precision resistors https://blog.theledart.com/blog/poormans-buck-schematic-and-bom/comment-page-1/#comment-949 Tue, 19 Jun 2012 16:39:40 +0000 http://www.theledart.com/blog/?p=977#comment-949 This is a great LED driver!

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