LM317AG SOT-223 UTC Three Terminal Voltage Regulator

LM317AG SOT-223 Youshun three terminal voltage regulator is a high-performance and powerful voltage regulator device. Here is a detailed introduction to it:

1、 Basic parameters
Brand: Youshun (may also include other brand logos such as UTC, depending on the manufacturer)
Packaging form: SOT-223， This is a small patch package that is beneficial for saving circuit board space and improving integration.
Working temperature range: usually between -30 ° C and+100 ° C, suitable for various working environments.
Power supply voltage range: The minimum power supply voltage is 2V, and the maximum power supply voltage is 8.5V (or may vary depending on the specific model and application scenario).
Output current capability: able to provide a large output current to meet various load requirements.
2、 Functional Features
Adjustable output voltage: LM317AG is an adjustable voltage regulator that can precisely set the output voltage within a certain range by adjusting the value of the external resistor.
Good voltage stabilization performance: It has excellent linear and load adjustment rates, ensuring stable output voltage.
Protection function: Built in overcurrent protection, thermal overload protection and other circuits to improve the reliability and safety of the circuit.
Compact packaging: The SOT-223 packaging form makes the device compact in size, making it easy to layout and install on the circuit board.
3、 Application Fields
LM317AG SOT-223 Youshun three terminal regulator is widely used in various electronic devices that require stable voltage output, such as:

Power management circuit: provides stable DC power for various electronic devices.
Communication equipment: Ensure stable voltage in communication circuits and improve communication quality.
Industrial automation control system: provides stable power supply voltage for sensors, actuators, etc.
Consumer electronics: power management components in devices such as televisions, computers, and mobile phones.
4、 Precautions for use
Heat dissipation: Although the SOT-223 package is compact, attention should still be paid to heat dissipation when outputting high currents. Heat dissipation can be achieved by adding heat sinks or using fans.
Input voltage range: Ensure that the input voltage is within the allowable range of LM317AG to avoid damaging the device.
Output voltage setting: By setting the value of the external resistor reasonably, the desired output voltage can be obtained. During the setup process, attention should be paid to the accuracy and stability of the resistance to ensure the accuracy of the output voltage.
In summary, LM317AG SOT-223 Youshun three terminal voltage regulator is an excellent and powerful voltage regulator device widely used in various electronic devices. When using, attention should be paid to issues such as heat dissipation, input voltage range, and output voltage settings to ensure the normal operation and long-term stability of the device.