LM317 current source simulation - All About Circuits
Mar 30, 2025 · The circuit in the picture with LM317 should provide 1A current, but it gives only 266 mA. What am I doing wrong? I have also attached LM317.asy and LM317.sub …
LM317 as a current limiter control - All About Circuits
Jan 5, 2025 · I've seen the circuit diagram (found on the web) part of a Li Ion battery charger attached and from what I understand, the second LM317 (CC) serves a current limiter. I would …
LM317 Voltage Drop (IN>Out) Vs Efficiency - All About Circuits
Jan 17, 2009 · Hi Rardi, Sadly, the LM317 is not very energy efficient. It makes for a very simple solution for linear current or voltage regulators, but it is actually very wasteful in terms of power …
LM317 battery-charger circuit - All About Circuits
Jun 9, 2018 · Hi! I would like to find battery charger design with li-po. Looking at the data sheet to use the LM317, the expression for the basic formula and the battery-charger circuit is …
Creating a high current LM317 regulator - All About Circuits
Feb 25, 2015 · To keep the voltage from rising above 13.8 volts I used an LM317 regulator circuit. I found the circuit design on a renewable energy web site in the U.K. This is the circuit that I …
LM317 LDO design excercise - All About Circuits
Nov 20, 2025 · The LM317 in normal regulator operation, is designed to maintain the Out pin voltage at a value of Vref (1.25V) greater than the ADJ pin voltage, no matter the external …
Add component to LTSpice | All About Circuits
Apr 8, 2010 · Here is the Spice model I used for the LM317. Code: *LM317 TI voltage regulator - pin order: In, Adj, Out *TI adjustable voltage regulator pkg:TO-3 .SUBCKT LM317 1 2 ...
understanding LED driven by LM317 - All About Circuits
Oct 2, 2009 · The LM317 in this configuration is a constant current device, it will deliver the exact current the LED is rated for (with appropriate selection of the resistor), the LED dropping …
LM317 current injector/boosting circuit - All About Circuits
Mar 1, 2023 · A LM317 circuit controlling to 20mA My concern with this however was whether any damage could be caused to the analog output device in the rig controller, since it will …
LM317 Voltage Regulator Adjustable on MultiSim! - All About …
Dec 8, 2016 · Hey guys! Any of you knows where can i find the LM317 ADJUSTABLE Voltage Regulator for multisim? It would be very appreciated.