COMPUTING CALCULATOR
Lm317
A precise tool.
What is the Lm317 & How does it work?
The LM317 is a versatile adjustable linear voltage regulator that can provide stable output voltages from 1.2V to 37V with an input voltage range of 3V to 40V.
V_{text{out}} = 1.25 times (1 + frac{R_2}{R_1})
Vout = Desired output voltage, R1 = Fixed resistor, R2 = Adjustable resistor
The LM317 can be used in various applications such as power supplies, battery chargers, and LED drivers.
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Frequently Asked Questions
What is the LM317 used for?
The LM317 is a versatile adjustable linear voltage regulator used in power supplies, battery chargers, and LED drivers.
What is the output voltage range of the LM317?
The LM317 can provide stable output voltages from 1.2V to 37V with an input voltage range of 3V to 40V.
How do you calculate the output voltage of an LM317?
The output voltage (Vout) is calculated using the formula Vout = 1.25 x (1 + R2/R1), where R1 is the fixed resistor and R2 is the adjustable resistor.
What are some common applications of the LM317?
Common applications include power supplies, battery chargers, and LED drivers due to its ability to provide stable output voltages.
Can the LM317 handle high input voltages?
Yes, the LM317 can handle input voltages up to 40V, making it suitable for various applications requiring higher voltage regulation.
What is the minimum output voltage of the LM317?
The minimum output voltage of the LM317 is 1.2V.
How does the LM317 adjust its output voltage?
The LM317 adjusts its output voltage by varying the ratio of two resistors, R1 and R2, in a simple feedback loop.
Results are for informational purposes only and do not constitute professional advice.