From 446e17b803b04c72b65d8a6af140b69b72b07b5a Mon Sep 17 00:00:00 2001 From: David Phillips Date: Sun, 10 Sep 2017 17:44:46 +1200 Subject: Add README --- README.md | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 README.md diff --git a/README.md b/README.md new file mode 100644 index 0000000..733bfda --- /dev/null +++ b/README.md @@ -0,0 +1,11 @@ +These are Kicad files for a 450 mA constant current LED driver built around +the LM3409HV, based mostly on the sample schematic in the TI datasheet. + +It is designed for 48 volts in and 450 mA CC out, to drive Cree's 16.7 watt +LEDs with Vf of 37 volts. + +The PCB measures about 34x32 mm. + +More concrete and interesting details to follow as I send the boards to +manufacture, build them up, find the glaring errors I'm too blind to see, +and let the magic smoke out of some components 😜 -- cgit v1.1