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LM317G-AA3-R
+BOM-
제조업체유니소닉 테크(Unisonic Tech)
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제조업체 부품 #LM317G-AA3-R
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데이터시트 LM317G-AA3-R DataSheet
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재고15382
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사양
| 속성 | 가치 |
| Manufacturer | UTC(Unisonic Tech) |
| Package / Case | SOT-223 |
| Operating Temperature | -40℃~+85℃ |
| Voltage - Supply | 40V |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Current - Output | 1A |
| Voltage Dropout | 5V@(10mA) |
| Features | Overheat protection |
| Output Voltage | 1.3V~37V |
| Output Configuration | Positive electrode |
개요
Description
Key features of the LM317G-AA3-R include its ability to deliver a maximum output current of 1.5A with a dropout voltage of about 3V. It includes internal current limiting, thermal overload protection, and safe area protection, ensuring reliability and safety during operation. The 'G' suffix typically signifies compliance with certain environmental standards, such as RoHS.
This component is commonly employed in power supplies, battery chargers, and other electronic devices where precise voltage control is necessary. Its ease of use and robust performance make it a popular choice among engineers and hobbyists alike.
Equivalent
Features
1. Adjustable Output Voltage: It provides an output voltage range from 1.25V to 37V, allowing for flexibility in various applications.
2. Output Current Capability: It can deliver an output current of up to 1.5A, making it suitable for powering medium-sized loads.
3. Thermal Overload Protection: This feature prevents the device from overheating by reducing the output current if the internal temperature becomes too high.
4. Overcurrent Protection: It includes current limiting to protect the regulator and connected components from damage.
5. Safe Operating Area Protection: Ensures the device operates within its safe limits across different voltages and currents.
6. Dropout Voltage: The regulator requires a minimum differential of 3V between the input and output voltages for proper regulation.
7. Versatility: Suitable for a wide range of applications, including power supplies, battery chargers, and adjustable power adapters.
8. Package Type: Typically available in standard transistor packages for easy integration into electronic circuits.
These features make the LM317G-AA3-R a reliable choice for applications requiring adjustable voltage regulation.
Pinout
1. Input (Pin 3): This is where the unregulated voltage is supplied. It should be higher than the desired output voltage by a certain amount for proper regulation.
2. Output (Pin 2): This pin provides the regulated output voltage, adjustable via an external resistor network.
3. Adjust (Pin 1): This pin is connected to the resistor network used to set the output voltage. By adjusting the resistance between the Adjust pin and the ground, the output voltage can be varied.
The LM317 regulator can provide a wide range of output voltages, typically from 1.25V to 37V, and can handle a current of up to 1.5A, depending on package and thermal conditions. It is widely used for its simplicity and reliability in providing stable voltage outputs.