# Lm317 current calculator

In our article Using the LM3with LED Lighting we looked at how the LM317T (and high current equivalent LM338T) can be used to supply a fixed current to a . The LM3(LM317T), and high current LM3(LM338T) are voltage. Enter values of Rand Rbelow to calculate the corresponding value of Vout.

Online Regulator calculator is used to calculate the resistor value from the given LM3current or regulator value of electrical circuit. Constant current source circuits with a LM3variable voltage regulator. These circuits are easy to build and inexpensive.

I had wanted to build a power supply for so long, and had never really understood the calculations involving the LM317.

When LM3is used as constant current source, the minimum set current is 10ma. Function of LM3is similar to LM78xx series regulator. This online calculator is a great electrical engineering tool to calculate resistor value of given LM317 . Note: article updated February 20to fix a fundamental mistake in the calculations and update the application notes with more realistic . NOTE: This LM3Current Calculator tool LM33 LM3(5amp) , LM3(3amp) is compatible with supports.

LM3This monolithic integrated circuit is an adjustable 3-terminal LM3positive-voltage regulator designed to supply more than LM31. Also when i measure the current out of the LM3to ground i get 125mA as i should based on the fomula with a ohm resistor, until i connect . V and 37V -Internal Short-Circuit Current Limiting or . How easy it is to make a constant current source with a LM3to drive white leds,. The LM3regulator gives out a constant voltage of volts between ADJ and. How the LM3voltage regulator double as a CCS for a number of uses.

Hi; I am designing a power supply circuit using LM3or LM3voltage.