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 downloaded from the link. …
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 like to ask for …
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 confusing. I would …
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 used. It …
Constant Current Constant Voltage Battery Charger - All About Circuits
Nov 19, 2024 · The charging mechanism should be CC then CV during the end of the charging. I'm using LM317 component to achieve constant current source circuit. TL431A acts a temperature …
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 ...
LM317 Variable Voltage + Variable Current - All About Circuits
May 4, 2016 · Hi Guys i found a LM317 variable current and voltage regulator actually i need current from 100ma to 1.2 AMP with voltage between 13 to 14.5 volts any help and development for this …
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 voltage is irrelevant …
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 periodically go …
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 efficiency. If …