LM317MDT-TR

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LM317MDT-TR

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IC REG LINEAR POS ADJ 500MA DPAK

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Especificações

Atributo Valor
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 500mA
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Visão Geral

Description

The LM317MDT-TR is a versatile adjustable voltage regulator, part of the LM317 series, widely used in electronics for providing a stable output voltage. Manufactured by STMicroelectronics, it allows an output voltage range from 1.25V to 37V with an output current of up to 500 mA, tailored by external resistors. Its design includes features like line regulation, load regulation, and over-temperature protection, ensuring reliable performance in various applications. The device comes in a TO-252 surface-mount package, making it suitable for compact and space-constrained designs. It's commonly employed in power supplies, battery chargers, and other devices requiring a precise voltage output. With its easy-to-use configuration and robust functionality, the LM317MDT-TR is favored in both commercial and hobbyist projects for efficiently managing voltage regulation tasks.

Equivalent

The LM317MDT-TR is a voltage regulator. Its equivalent products include the LM317 series from other manufacturers, such as the LM317T LM317ATand LM317L. Other comparable parts include the NTE956, UA7805 series (for fixed output applications), and the L78xx series (with equivalent output voltage ratings). Always verify electrical and thermal characteristics to ensure compatibility with your specific application.

Features

The LM317MDT-TR is a versatile, adjustable voltage regulator that offers the following features:
1. Output Voltage Range: Adjustable from 1.25V to 37V, allowing for broad application use.
2. Output Current: Capable of delivering over 500 mA of load current with a dropout voltage of less than 3V.
3. Thermal Protection: Built-in thermal overload protection to prevent damage from overheating.
4. Short-Circuit Protection: Incorporates current limiting to safeguard against short circuits.
5. Load Regulation: Provides excellent load regulation typically at 0.1%.
6. Line Regulation: Maintains stability with line regulation typically at 0.01%/V.
7. Internal Current Limiting: Ensures reliable operation under adverse conditions.
8. Temperature-Compensated: Ensures consistency and stability across different temperatures.
9. Low Noise: Offers low noise performance suitable for sensitive applications.
10. Package: Available in a DPAK surface-mount package, beneficial for compact and efficient designs.
These features make the LM317MDT-TR an ideal choice for a wide range of applications requiring adjustable and reliable voltage regulation.

Pinout

The LM317MDT-TR is a voltage regulator IC with a 3-pin configuration. Its primary function is to provide adjustable output voltage regulation. Here's a brief overview of its pin functions:
1. Input (Vin): This pin receives the unregulated input voltage. It is connected to the positive side of the power supply that needs regulation.
2. Output (Vout): This pin provides the regulated output voltage. The output can be adjusted to provide a range of voltages, typically from 1.25V to 37V, depending on the input voltage and the configuration of external resistors.
3. Adjust (Adj): This pin is used to set the output voltage. By connecting it to a resistor divider network, you can adjust the output voltage to the desired level.
The LM317 is widely used for its simplicity and effectiveness in applications requiring a stable and adjustable power supply.

Manufacturer

The LM317MDT-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, and manufactures a wide range of electronic components and technologies. The company provides solutions for various applications, including automotive, industrial, personal electronics, and communications equipment. STMicroelectronics is known for its innovation and production of integrated circuits, microcontrollers, sensors, and power management components, among other products. It operates worldwide and serves a diverse customer base, including companies in sectors like consumer electronics, telecommunications, and industrial automation.

Application

The LM317MDT-TR is a versatile adjustable voltage regulator used in various applications. It is commonly employed in power supply circuits to provide a stable output voltage from a higher input voltage. Typical application areas include battery chargers, LED drivers, adjustable power supplies, and voltage regulation for microcontrollers and other electronic devices. Its ability to deliver a wide range of output voltages makes it suitable for use in consumer electronics, industrial equipment, and communication devices. The LM317MDT-TR is also utilized in DIY electronics projects due to its ease of use and reliability.

Package

The LM317MDT-TR is a voltage regulator integrated circuit available in the DPAK (TO-252) package. This surface-mount package is designed for power applications with a compact size, offering efficient thermal performance and ease of use in circuit designs.

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