仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
概要
Description
The LM317D2TG is a popular adjustable three-terminal voltage regulator designed to provide a stable output voltage ranging from 1.25V to 37V, with a current output up to 1.5A. Manufactured by ON Semiconductor, it is part of the LM317 series, known for its versatility and ease of use in a variety of applications such as power supplies, battery chargers, and LED drivers.
Key features of the LM317D2TG include over-temperature shutdown, short-circuit protection, and a safe-area compensation, which enhances its reliability and safety. The device can be easily set up by using two external resistors to adjust the output voltage, making it flexible for different circuit requirements. It comes in a D2PAK package that provides efficient heat dissipation, allowing it to handle higher power levels without excessive heating.
Overall, the LM317D2TG is valued for its simplicity, robustness, and ability to provide a precise and adjustable output voltage, making it a staple component in both hobbyist and professional electronic projects.
Key features of the LM317D2TG include over-temperature shutdown, short-circuit protection, and a safe-area compensation, which enhances its reliability and safety. The device can be easily set up by using two external resistors to adjust the output voltage, making it flexible for different circuit requirements. It comes in a D2PAK package that provides efficient heat dissipation, allowing it to handle higher power levels without excessive heating.
Overall, the LM317D2TG is valued for its simplicity, robustness, and ability to provide a precise and adjustable output voltage, making it a staple component in both hobbyist and professional electronic projects.
Equivalent
The LM317D2TG is a voltage regulator, and its equivalent products include:
1. LM317T
2. LM317K
3. L78S05CV
4. LT1086
5. NTE956
6. MIC29152
7. KA317
These components serve similar functions as adjustable voltage regulators, offering comparable voltage and current handling capabilities. Always check the datasheets to ensure compatibility with your specific application requirements.
1. LM317T
2. LM317K
3. L78S05CV
4. LT1086
5. NTE956
6. MIC29152
7. KA317
These components serve similar functions as adjustable voltage regulators, offering comparable voltage and current handling capabilities. Always check the datasheets to ensure compatibility with your specific application requirements.
Features
The LM317D2TG is a versatile, adjustable three-terminal voltage regulator. Key features include:
1. Output Voltage Range: Adjustable from 1.25V to 37V, allowing for a wide range of applications.
2. Output Current: Capable of delivering over 1.5A, suitable for high-current applications.
3. Load Regulation: Offers excellent load regulation of 0.1%, ensuring stable output voltage under varying load conditions.
4. Line Regulation: Provides superior line regulation of 0.01%/V, maintaining consistent output despite changes in input voltage.
5. Thermal Overload Protection: Includes internal thermal overload protection to prevent damage from excessive heat.
6. Short Circuit Protection: Features short circuit current limiting for enhanced safety.
7. Safe Area Compensation: Incorporates safe area protection to avoid excessive power dissipation.
8. Temperature Range: Operates over a wide temperature range, making it suitable for various environments.
These features make the LM317D2TG a reliable choice for applications requiring adjustable voltage regulation with robust protection mechanisms.
1. Output Voltage Range: Adjustable from 1.25V to 37V, allowing for a wide range of applications.
2. Output Current: Capable of delivering over 1.5A, suitable for high-current applications.
3. Load Regulation: Offers excellent load regulation of 0.1%, ensuring stable output voltage under varying load conditions.
4. Line Regulation: Provides superior line regulation of 0.01%/V, maintaining consistent output despite changes in input voltage.
5. Thermal Overload Protection: Includes internal thermal overload protection to prevent damage from excessive heat.
6. Short Circuit Protection: Features short circuit current limiting for enhanced safety.
7. Safe Area Compensation: Incorporates safe area protection to avoid excessive power dissipation.
8. Temperature Range: Operates over a wide temperature range, making it suitable for various environments.
These features make the LM317D2TG a reliable choice for applications requiring adjustable voltage regulation with robust protection mechanisms.
Pinout
The LM317D2TG is a 3-pin adjustable voltage regulator. Its primary function is to provide a stable output voltage that can be adjusted between 1.25 V and 37 V, with a maximum output current of 1.5 A. Here's a brief overview of its pin configuration:
1. Input Pin (Vin): This pin receives the unregulated input voltage that you want to regulate.
2. Output Pin (Vout): This pin provides the regulated output voltage.
3. Adjust Pin (Adj): This pin is used to adjust the output voltage. By connecting a resistor divider between the output and this pin, you can set the desired output voltage.
The LM317D2TG is commonly used in applications requiring a variable output voltage with high regulation and low dropout voltage, offering thermal overload protection and current limiting.
1. Input Pin (Vin): This pin receives the unregulated input voltage that you want to regulate.
2. Output Pin (Vout): This pin provides the regulated output voltage.
3. Adjust Pin (Adj): This pin is used to adjust the output voltage. By connecting a resistor divider between the output and this pin, you can set the desired output voltage.
The LM317D2TG is commonly used in applications requiring a variable output voltage with high regulation and low dropout voltage, offering thermal overload protection and current limiting.
Manufacturer
The LM317D2TG is manufactured by ON Semiconductor, a company known for producing semiconductor components. ON Semiconductor specializes in a wide range of semiconductor technologies, including power and signal management, logic, discrete, and custom devices for various applications in automotive, industrial, communications, and computing markets. The company is renowned for its focus on energy-efficient solutions and innovation in semiconductor technologies.
Application
The LM317D2TG is a versatile adjustable voltage regulator used in various applications. Common areas include power supply circuits, where it provides a stable output voltage for components requiring different voltage levels. It is also used in battery chargers, ensuring consistent voltage during charging. Other applications include current regulation for LED drivers, voltage reduction for microcontrollers, and as a variable power supply in testing and development environments. Its ability to handle varying loads and output voltages makes it suitable for consumer electronics, industrial equipment, and communication devices.
Package
The LM317D2TG is housed in a D2PAK (TO-263) package. This is a surface-mount package known for its excellent thermal performance and compact design, making it suitable for applications where space saving and heat dissipation are important.
