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 ...

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 …

Nov 30, 2024 · I would like to add to this basic LM317 based power regulator circuit of a variable current limiter (0 - 3A), preferably with a led indicator. appreciate your suggestions/comments.

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 …

Jan 3, 2023 · Hello. I have a very frustrating problem. Im using the lm317 voltage regulator to add adjustability to a fixed output power supply. I have used the lm317 numerous times over the …

Jun 20, 2017 · Hi, I am referring the below circuit diagram to make a High Current Linear Voltage Regulator circuit. This circuit is given in LM317's datasheet. I need...

Mar 8, 2025 · The LM317 has about a 1.5V dropout voltage, so 3.3V input may not have enough headroom for the load. I'm not sure that the line transient response of the LM317 is going to …

Jan 10, 2017 · The value of R3 determines the relative division of current between the MOSFET and the LM317. It does regulate the voltage, as shown by the V (out) voltage with change in …

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 …

May 30, 2020 · LM317 and LM338 are easy to use and pretty straightforward devices for voltage regulation. LM338 is said to be able to supply 5A and LM317 more than 1A current. Just as an …