Description
Here's a concise introduction to the LM317T:
The LM317T is an adjustable linear voltage regulator (LDO) from Texas Instruments, designed for high-performance applications. This TO-220 package device offers a wide output voltage range of 1.2V to 37V and can deliver output currents in excess of 1.5A. The LM317T features excellent line and load regulation, making it suitable for various industrial and commercial applications.
Its floating operation capability allows for high-voltage operation, while the built-in protections include current limiting, thermal shutdown, and safe operating area (SOA) control to prevent damage from overcurrent or overheating. With its robust design and performance capabilities, the LM317T is an excellent choice for demanding power management applications.
Features
According to the product information, the features of the LM317T are:
- Output voltage range: 1.2 to 37 V
- Output current in excess of 1.5 A
- 0.1% line and load regulation
- Floating operation for high voltages
- Complete series of protections: current limiting, thermal shutdown and SOA control
These features make the LM317T a linear voltage regulator (LDO) with adjustable output, suitable for various applications where a stable and controlled voltage is required.
Package
According to the product information, the package type of LM317T is TO-220-3.
Pinout
The LM317T is a monolithic linear voltage regulator featuring a unique, low dropout voltage capability. It has three pins:
1. OUT (Output): The regulated output voltage.
2. ADJ (Adjustment): The input for the external resistor divider that sets the output voltage.
3. IN (Input): The input voltage to the regulator.
The LM317T is an adjustable linear voltage regulator, allowing you to set the output voltage by connecting a resistor divider between the ADJ pin and the OUT pin. It has a high current capability of 1.5A and can regulate voltages from 1.2V to 37V.
Manufacturer
The manufacturer of the LM317T is Texas Instruments (TI). Texas Instruments is a leading semiconductor company that designs, manufactures, and tests semiconductors and other electronic components. They are known for their wide range of products, including microcontrollers, analog and digital integrated circuits, sensors, and more.
Applications
The LM317T is a versatile component suitable for various applications. Its adjustable output voltage and current capabilities make it suitable for powering equipment such as LED driver circuits, battery chargers, power supplies, audio amplifiers, DC-DC converters, and other electronic systems that require low dropout regulator characteristics. Additionally, its high accuracy and stability make it useful in instrumentation and industrial control systems.
Equivalent
The equivalent products of LM317T are:
- National Semiconductor LM339
- ON Semi NCP1402
- STMicroelectronics TLV703
- Analog Devices ADP2113
- Maxim Integrated MAX1774
These ICs offer similar adjustable voltage regulator functionality as the LM317T.
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