
LM317 Voltage Drop (IN>Out) Vs Efficiency | All About Circuits
Jan 17, 2009 · The LM317 I noticed got very warm, but not overly hot. I decided on the LM317 to regulate, because the source voltage can be from about 14.x volts when the alternator is …
LM317 - LM338, big voltage drop under load | All About Circuits
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 …
LM317 as a current limiter control | All About Circuits
Jan 5, 2025 · I'm sorry, I guess that I wasn't clear enough. I don't need it as a Li Ion battery charger, I want to add a current limit circuit in order to make a lab power supply. my intention …
7805 vs LM317 - All About Circuits
Jan 31, 2008 · I agree with Steve about starting out on a switcher. The layout is critical. For your application assuming 9V in and 5V out and 100mA max average current you should be fine …
LM317 heat during operation - All About Circuits
Feb 17, 2020 · A resistor in series with the LM317 input will reduce the voltage, but I don't see a particular need for that here. For example, a 30Ω, 2W resistor in series will reduce the voltage …
LM317L constant current - All About Circuits
Mar 8, 2025 · Hi everyone, I am trying to make a circuit with lm317 to have a constant current. I would like to use it with both a constant voltage generator and a pulsed voltage generator. …
lm317 power dissipation - All About Circuits
Jan 17, 2016 · The LM317 data sheet specifies the junction-to-ambient thermal resistance, in the TO-220 package, at 19 °C/watt. So if you're dissipating 12W, the internal die temperature …
LDO Alternative to LM317 - All About Circuits
Jul 28, 2011 · As amazing as it seems I am having trouble locating an alternative Linear Voltage regulator for the LM317 with a Lower Drop Out Voltage and adjustable Output Voltage (Target …
Alternative Transistors for LM317 High Current Voltage Regulator ...
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 the regulator circuit to …
Help ;lm317 in parallel - All About Circuits
Apr 11, 2014 · You can parallel two LM317 using "emitter resistors" if you don't mind a slight reduction in voltage regulation. Just put a resistor after the Vout pin, one resistor on each …