仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 100mA |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 80dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The LM317LBDR2G is a versatile, adjustable voltage regulator from the LM317 series, designed for a wide range of applications where a stable output voltage is crucial. It is capable of supplying an output voltage range from 1.25V to 37V, with a maximum output current of 100mA, making it suitable for low-power applications. The device operates with a dropout voltage of 3V, allowing it to efficiently convert higher input voltages to lower output voltages.
Key features of the LM317LBDR2G include internal current limiting, thermal overload protection, and safe area compensation, enhancing its reliability even under challenging conditions. Its TO-92 or SOT-223 package options make it easy to incorporate into various circuit designs. The regulator is commonly used in battery chargers, power supply circuits, and various consumer electronic devices requiring stable voltage regulation. With its ease of use and robust performance, the LM317LBDR2G continues to be a popular choice among engineers and hobbyists for creating efficient, adjustable power supply solutions.
Key features of the LM317LBDR2G include internal current limiting, thermal overload protection, and safe area compensation, enhancing its reliability even under challenging conditions. Its TO-92 or SOT-223 package options make it easy to incorporate into various circuit designs. The regulator is commonly used in battery chargers, power supply circuits, and various consumer electronic devices requiring stable voltage regulation. With its ease of use and robust performance, the LM317LBDR2G continues to be a popular choice among engineers and hobbyists for creating efficient, adjustable power supply solutions.
Equivalent
The LM317LBDR2G is a low-power adjustable voltage regulator. Equivalent products include:
1. TL317 by Texas Instruments
2. NTE956 by NTE Electronics
3. KA317 by ON Semiconductor
4. MC317 by STMicroelectronics
5. AN317 by Panasonic
These alternatives offer similar functionality and specifications, but always verify datasheets for compatibility regarding voltage range, current output, and package type.
1. TL317 by Texas Instruments
2. NTE956 by NTE Electronics
3. KA317 by ON Semiconductor
4. MC317 by STMicroelectronics
5. AN317 by Panasonic
These alternatives offer similar functionality and specifications, but always verify datasheets for compatibility regarding voltage range, current output, and package type.
Features
The LM317LBDR2G is a versatile and adjustable voltage regulator from ON Semiconductor. Key features include:
1. Adjustable Output Voltage: It can provide an output voltage range from 1.25V to 37V by using external resistors.
2. Output Current: The regulator can deliver up to 100 mA of output current.
3. Thermal Regulation: It offers thermal overload protection, which helps prevent damage due to overheating.
4. Short-Circuit Protection: Built-in current limit and safe area protection safeguard against short circuits.
5. High Ripple Rejection: It provides excellent line and load regulation.
6. Available Packages: The device is available in space-saving packages like SOIC-8.
7. Low Dropout Voltage: Ensures efficient operation even with low input-output voltage differentials.
These features make the LM317LBDR2G suitable for a wide range of applications, including power supply designs and battery chargers, where adjustable and reliable voltage regulation is required.
1. Adjustable Output Voltage: It can provide an output voltage range from 1.25V to 37V by using external resistors.
2. Output Current: The regulator can deliver up to 100 mA of output current.
3. Thermal Regulation: It offers thermal overload protection, which helps prevent damage due to overheating.
4. Short-Circuit Protection: Built-in current limit and safe area protection safeguard against short circuits.
5. High Ripple Rejection: It provides excellent line and load regulation.
6. Available Packages: The device is available in space-saving packages like SOIC-8.
7. Low Dropout Voltage: Ensures efficient operation even with low input-output voltage differentials.
These features make the LM317LBDR2G suitable for a wide range of applications, including power supply designs and battery chargers, where adjustable and reliable voltage regulation is required.
Pinout
The LM317LBDR2G is a three-terminal adjustable voltage regulator with a pin count of 3. It is capable of supplying in excess of 100 mA over an output voltage range of 1.25 V to 37 V. The three pins are:
1. Input (IN): Connect this pin to the unregulated positive voltage supply. It provides the input voltage to the regulator.
2. Output (OUT): The output pin provides the regulated output voltage. This pin is connected to the load.
3. Adjust (ADJ): This pin is used to adjust the output voltage. By connecting a resistor divider between the output and adjust pins and then to ground, you can set the output voltage.
The LM317LBDR2G is designed for applications requiring a simple and efficient voltage regulation solution with minimal external components.
1. Input (IN): Connect this pin to the unregulated positive voltage supply. It provides the input voltage to the regulator.
2. Output (OUT): The output pin provides the regulated output voltage. This pin is connected to the load.
3. Adjust (ADJ): This pin is used to adjust the output voltage. By connecting a resistor divider between the output and adjust pins and then to ground, you can set the output voltage.
The LM317LBDR2G is designed for applications requiring a simple and efficient voltage regulation solution with minimal external components.
Manufacturer
The LM317LBDR2G is manufactured by ON Semiconductor. ON Semiconductor is a leading global supplier of semiconductor-based solutions. The company designs, manufactures, and markets a broad portfolio of products, including power and signal management, logic, discrete, and custom devices. These products help engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, medical, and military/aerospace applications.
Application
The LM317LBDR2G is a versatile, adjustable voltage regulator used in various applications. Key application areas include:
1. Power Supply Design: It provides stable voltage regulation for power supply circuits, ensuring reliable performance in electronic devices.
2. Battery Chargers: It is used in battery charging circuits to control and stabilize the output voltage.
3. LED Drivers: It regulates current in LED circuits for consistent brightness.
4. Embedded Systems: It supplies the required voltage levels to microcontrollers and other components.
5. Test Equipment: It is used in laboratory or testing equipment to provide precise voltage outputs.
Its adaptability and ease of use make it suitable for a wide range of electronic projects and products.
1. Power Supply Design: It provides stable voltage regulation for power supply circuits, ensuring reliable performance in electronic devices.
2. Battery Chargers: It is used in battery charging circuits to control and stabilize the output voltage.
3. LED Drivers: It regulates current in LED circuits for consistent brightness.
4. Embedded Systems: It supplies the required voltage levels to microcontrollers and other components.
5. Test Equipment: It is used in laboratory or testing equipment to provide precise voltage outputs.
Its adaptability and ease of use make it suitable for a wide range of electronic projects and products.
Package
The LM317LBDR2G is a linear voltage regulator typically provided in a surface-mount SOT-223 package. This package type offers a compact and efficient solution for voltage regulation tasks in electronic circuits.
