Power Supply for LEDs

P

Thread Starter

PSUDude

Hello,

I'm looking for help on how to design the circuit I describe below ----

I'd like to drive a string of high power LEDs but on 3 different PCBs. All of the PCBs require 40V and 200mA to operate. First, What sort of power supply with a constant output should I use?
 
I arrived at 40V/200mA based on the way the Leds are arranged on the board. In a more parallel arrangement.
 
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