사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.25V |
| 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 | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
개요
Description
The LM317AMDTX/NOPB is a popular adjustable linear voltage regulator designed to provide a stable output voltage ranging from 1.25V to 37V with a maximum output current of 1.5A. Manufactured by Texas Instruments, it is part of the LM317 series, known for its versatility and ease of use in various applications.
This component features a three-terminal configuration, making it simple to implement in circuit designs. It offers internal current limiting, thermal overload protection, and safe area compensation, making it robust and reliable. The LM317AMDTX/NOPB can be used in numerous applications, including power supplies, battery chargers, and adjustable voltage regulation for electronic projects.
The "NOPB" suffix indicates that the device is RoHS compliant, meaning it is free of lead and other hazardous substances. The "AMDTX" part refers to specific packaging and tolerance specifications. Overall, the LM317AMDTX/NOPB is widely used due to its flexibility, reliability, and protection features, making it a staple in both hobbyist and professional electronic applications.
This component features a three-terminal configuration, making it simple to implement in circuit designs. It offers internal current limiting, thermal overload protection, and safe area compensation, making it robust and reliable. The LM317AMDTX/NOPB can be used in numerous applications, including power supplies, battery chargers, and adjustable voltage regulation for electronic projects.
The "NOPB" suffix indicates that the device is RoHS compliant, meaning it is free of lead and other hazardous substances. The "AMDTX" part refers to specific packaging and tolerance specifications. Overall, the LM317AMDTX/NOPB is widely used due to its flexibility, reliability, and protection features, making it a staple in both hobbyist and professional electronic applications.
Equivalent
Equivalent products to the LM317AMDTX/NOPB, which is a voltage regulator, include:
1. NTE956 - By NTE Electronics.
2. KA317 - By ON Semiconductor.
3. UA7805 - Similar 3-terminal regulator by Texas Instruments.
4. L78S05CV - By STMicroelectronics.
5. LM317T - Another variation by Texas Instruments.
6. L317 - By STMicroelectronics.
Ensure to check specifications and pin configurations, as these may vary slightly between manufacturers.
1. NTE956 - By NTE Electronics.
2. KA317 - By ON Semiconductor.
3. UA7805 - Similar 3-terminal regulator by Texas Instruments.
4. L78S05CV - By STMicroelectronics.
5. LM317T - Another variation by Texas Instruments.
6. L317 - By STMicroelectronics.
Ensure to check specifications and pin configurations, as these may vary slightly between manufacturers.
Features
The LM317AMDTX/NOPB is a three-terminal adjustable voltage regulator designed to provide a stable output voltage. It features:
1. Adjustable Output Voltage: Offers output voltage ranging from 1.25V to 37V, making it versatile for various applications.
2. Output Current: It can deliver over 1.5A of output current with a proper heat sink.
3. Thermal Overload Protection: Safeguards the device against damage from excessive temperature.
4. Short-Circuit Protection: Protects against potential damage due to short circuits by limiting the current.
5. Safe Operating Area Protection: Ensures the device operates within its limits under all conditions to prevent failures.
6. Line Regulation: Provides excellent line regulation, minimizing output voltage changes with input voltage variations.
7. Load Regulation: Maintains stable output voltage over varying load conditions.
8. TO-252 Package: Comes in a surface-mount package for easy PCB installation.
This regulator is suitable for a variety of electronic applications requiring adjustable power supply.
1. Adjustable Output Voltage: Offers output voltage ranging from 1.25V to 37V, making it versatile for various applications.
2. Output Current: It can deliver over 1.5A of output current with a proper heat sink.
3. Thermal Overload Protection: Safeguards the device against damage from excessive temperature.
4. Short-Circuit Protection: Protects against potential damage due to short circuits by limiting the current.
5. Safe Operating Area Protection: Ensures the device operates within its limits under all conditions to prevent failures.
6. Line Regulation: Provides excellent line regulation, minimizing output voltage changes with input voltage variations.
7. Load Regulation: Maintains stable output voltage over varying load conditions.
8. TO-252 Package: Comes in a surface-mount package for easy PCB installation.
This regulator is suitable for a variety of electronic applications requiring adjustable power supply.
Pinout
The LM317AMDTX/NOPB is a three-terminal adjustable voltage regulator. It has three pins:
1. Input (Pin 1): This is where the unregulated input voltage is applied.
2. Output (Pin 2): This pin provides the regulated output voltage, which can be adjusted to a desired level using an external resistor divider.
3. Adjust (Pin 3): This pin is used to adjust the output voltage by connecting it to the ground through a variable resistor or a fixed resistor.
The device can supply an output voltage range from 1.25V to 37V and can deliver output currents exceeding 1.5A. The LM317 is commonly used in a variety of applications, including power supply designs, where precise voltage regulation is required.
1. Input (Pin 1): This is where the unregulated input voltage is applied.
2. Output (Pin 2): This pin provides the regulated output voltage, which can be adjusted to a desired level using an external resistor divider.
3. Adjust (Pin 3): This pin is used to adjust the output voltage by connecting it to the ground through a variable resistor or a fixed resistor.
The device can supply an output voltage range from 1.25V to 37V and can deliver output currents exceeding 1.5A. The LM317 is commonly used in a variety of applications, including power supply designs, where precise voltage regulation is required.
Manufacturer
The LM317AMDTX/NOPB is manufactured by Texas Instruments. Texas Instruments is an American technology company primarily known for its design and manufacturing of semiconductors and various integrated circuits. These products are widely used in electronics for various applications, including industrial, automotive, personal electronics, and communications equipment. Texas Instruments plays a significant role in the electronics industry by providing essential components that are foundational to a wide range of devices and systems.
Application
The LM317AMDTX/NOPB is a versatile adjustable voltage regulator used in various applications. Its primary use is in linear power supplies for providing stable output voltages. It is commonly applied in battery chargers, adjustable power supplies, and LED drivers. Additionally, it is utilized in voltage regulation for microcontroller and microprocessor circuits, audio amplifiers, and digital logic systems. The LM317's ability to handle significant voltage variations makes it suitable for telecommunications equipment and industrial automation systems. Its ease of use and reliability make it a popular choice for hobbyist electronics projects and educational purposes as well.
Package
The LM317AMDTX/NOPB is typically housed in a D-Pak (TO-252) package. This surface-mount package is widely used for voltage regulators, allowing for efficient heat dissipation and space-saving on printed circuit boards.
