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LM317LMX
+BOMIC REG LIN POS ADJ 100MA 8SOIC
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Nhà sản xuấtonsemi
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Ông. Phần #LM317LMX
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Gói SOIC (D)-8
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Có sẵn7197
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 100mA |
| PSRR | 80dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
Key features include thermal overload protection, a safe operating area, and current limiting, ensuring reliable performance under various operating conditions. The LM317LMX requires only two external resistors to set the output voltage, making it user-friendly and adaptable for various applications, such as power supplies, battery chargers, and LED drivers. Its TO-252 (DPAK) package is suitable for surface-mount applications, making it ideal for compact and portable device designs. The LM317LMX provides an efficient solution for engineers and hobbyists looking to manage different voltage levels within a circuit efficiently.
Equivalent
1. LM317T
2. L78S
3. L78XX (for fixed voltages)
4. UA78XX (for fixed voltages)
5. TL783 (for higher voltage applications)
These alternatives offer similar functionality, with variations in packaging, output current, and voltage specifications. Always check the specific datasheets to ensure compatibility with your application requirements.
Features
1. Adjustable Output Voltage: Output voltage can be set from 1.25V to 37V, allowing for flexibility in various applications.
2. Output Current: Capable of providing output currents in excess of 100 mA, making it suitable for many power supply needs.
3. Line and Load Regulation: Exhibits excellent line and load regulation characteristics to ensure stable output even with varying input or load conditions.
4. Thermal Overload Protection: Includes built-in protection against overheating, ensuring longevity and reliability.
5. Short-circuit Protection: Protects against damage due to output short circuits.
6. Current Limiting: Automatically limits the output current to prevent excessive current draw, enhancing safety.
7. Safe Operating Area Protection: Ensures device operates within safe limits under all conditions.
8. Wide Temperature Range: Designed to operate over a wide temperature range, making it suitable for various environments.
Overall, the LM317LMX is a reliable solution for adjustable voltage regulation in multiple electronic applications.
Pinout
1. Input (Pin 1): This pin receives the unregulated input voltage that needs to be regulated down.
2. Output (Pin 2): The regulator provides the regulated output voltage at this pin. The output voltage can be adjusted by changing the resistance values connected to the adjacent pins.
3. Adjust (Pin 3): This pin is used to set the output voltage through an external resistor divider network. By varying the resistances in the network, users can adjust the output voltage to the desired level, typically ranging from 1.25V to 37V.
The LM317LMX is commonly used in power supply applications due to its ability to produce a stable output voltage, adjustable over a wide range, with good line and load regulation.
Manufacturer
Application
1. Adjustable Power Supplies: It can be used to create customizable voltage outputs for different devices.
2. Battery Chargers: It offers regulated charging for batteries, ensuring consistent voltage levels.
3. Embedded Systems: Provides stable power to microcontrollers and other components.
4. Test Equipment: Ensures precise voltage supply for testing electronic components.
5. DIY Electronics Projects: Popular among hobbyists for small-scale power regulation.
Its ability to output a range of voltages makes it suitable for numerous electronic applications.