規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
| PSRR | 80dB ~ 65dB (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) |
概述
Description
The LM317LD13TR is a versatile, adjustable voltage regulator designed to provide a stable output voltage over a wide range, making it suitable for various electronics applications. Manufactured by Texas Instruments, this component is part of the LM317 series, which is renowned for its reliability and ease of use. The device comes in a small SOT-223 package, ideal for space-constrained circuits. It can output voltages ranging approximately from 1.25V to 37V, with a current capacity of up to 100 mA.
Key features include line and load regulation, thermal overload protection, and current limiting, ensuring safe operation under different conditions. It requires only two external resistors to set the output voltage, simplifying circuit design. The LM317LD13TR is widely used in power supply circuits, battery chargers, and various electronic devices where precise voltage regulation is needed. Its robust performance and high efficiency make it a popular choice for hobbyists and professionals alike.
Key features include line and load regulation, thermal overload protection, and current limiting, ensuring safe operation under different conditions. It requires only two external resistors to set the output voltage, simplifying circuit design. The LM317LD13TR is widely used in power supply circuits, battery chargers, and various electronic devices where precise voltage regulation is needed. Its robust performance and high efficiency make it a popular choice for hobbyists and professionals alike.
Equivalent
The LM317LD13TR is a voltage regulator. Equivalent products include the LM317 series from other manufacturers and similar adjustable voltage regulators such as the NTE956, TL317, and UTC LM317L. When selecting an equivalent, ensure it matches the original in terms of voltage and current ratings, package type, and thermal characteristics. Always verify the datasheet specifications for compatibility.
Features
The LM317LD13TR is a versatile, adjustable linear voltage regulator. It provides an output voltage range from 1.25V to 37V with a current output capability of up to 100 mA. Key features include:
1. Adjustable Output: Simple resistor configuration allows for a wide range of output voltages.
2. Thermal Overload Protection: Safeguards the device from overheating.
3. Current Limiting: Provides protection under overcurrent conditions.
4. Output Short Circuit Protection: Ensures durability against accidental short circuits.
5. Line Regulation: Typically 0.01%/V, ensuring stable output with varying input voltages.
6. Load Regulation: Typically 0.1%, maintaining consistent output with varying loads.
7. Low Dropout: Facilitates efficient operation with a lower input-output voltage differential.
8. Compact Package: Available in a small SOT-223 package for space-constrained applications.
These features make the LM317LD13TR suitable for various applications, including power supply designs, battery chargers, and adjustable power sources.
1. Adjustable Output: Simple resistor configuration allows for a wide range of output voltages.
2. Thermal Overload Protection: Safeguards the device from overheating.
3. Current Limiting: Provides protection under overcurrent conditions.
4. Output Short Circuit Protection: Ensures durability against accidental short circuits.
5. Line Regulation: Typically 0.01%/V, ensuring stable output with varying input voltages.
6. Load Regulation: Typically 0.1%, maintaining consistent output with varying loads.
7. Low Dropout: Facilitates efficient operation with a lower input-output voltage differential.
8. Compact Package: Available in a small SOT-223 package for space-constrained applications.
These features make the LM317LD13TR suitable for various applications, including power supply designs, battery chargers, and adjustable power sources.
Pinout
The LM317LD13TR is a three-terminal adjustable voltage regulator. It is typically provided in a surface-mount package, commonly the SOT-223 package, which features three pins.
1. Vin (Input): This pin receives the unregulated input voltage that you wish to regulate.
2. Vout (Output): This pin outputs the regulated voltage. The output voltage can be adjusted using an external resistor network.
3. ADJ (Adjust): This pin is used to adjust the output voltage. By connecting a voltage divider between the output and ground, with this pin tapping into the divider, you can set the desired output voltage.
The LM317 can supply an output voltage ranging from 1.25V to 37V and deliver a current of up to 100 mA in the surface-mount version. It is widely used for its simplicity, reliability, and flexibility in various applications where adjustable output is required.
1. Vin (Input): This pin receives the unregulated input voltage that you wish to regulate.
2. Vout (Output): This pin outputs the regulated voltage. The output voltage can be adjusted using an external resistor network.
3. ADJ (Adjust): This pin is used to adjust the output voltage. By connecting a voltage divider between the output and ground, with this pin tapping into the divider, you can set the desired output voltage.
The LM317 can supply an output voltage ranging from 1.25V to 37V and deliver a current of up to 100 mA in the surface-mount version. It is widely used for its simplicity, reliability, and flexibility in various applications where adjustable output is required.
Manufacturer
The manufacturer of the LM317LD13TR is STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. It serves various markets, including industrial, automotive, personal electronics, communications equipment, and computers. STMicroelectronics is known for its innovation and expertise in areas such as microcontrollers, power management, sensors, and analog devices. The company combines advanced technology with a focus on sustainability and energy efficiency.
Application
The LM317LD13TR is a versatile voltage regulator commonly used in various applications. Its primary use is in power supply design, where it provides adjustable and stable output voltage from a higher input voltage. It is popular in consumer electronics, communication devices, and computer peripherals for voltage regulation. The component is also used in battery chargers, LED drivers, and embedded systems for consistent power delivery. Its ability to deliver a range of output voltages makes it suitable for prototyping and testing environments. Additionally, it is used in automotive electronics and industrial equipment for reliable voltage regulation in varying environmental conditions.
Package
The LM317LD13TR is a linear voltage regulator available in a SOT-223 package. This package type is a small, surface-mount form factor commonly used for low to medium power applications.
