NERD ALERT Pure Electronics Question
I want to use 78xx voltage regulators in my 36 volt lighting. To power integral with heatsink 1 watt fans. Clarification: I purchased new surplus PC obsolete heatsinks with ball bearing fans for less ...
Forum Discussion
mike-s wrote:
An LM317 can be configured as a current regulator up to 1.5A. Costs less than a buck.
For this design, keep in mind:
Vref * Iout = Pwaste (heat), heat in the chip and the resistor, watch the wattage rating for R ... under a buck for the chip maybe, but more $ on heatsink?
