LM317AMDT

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LM317AMDT

+БОМ

IC REG LIN POS ADJ 1.5A TO252-3

  • ПроизводительТехасские инструменты

  • Мфр. Часть #LM317AMDT

  • Пакет TO-252 (NDP)-3

  • В наличии7163

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

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Спецификации

Атрибут Ценность
Package Tube
ProductStatus Not For New Designs
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

Обзор

Description

The LM317AMDT is an adjustable three-terminal voltage regulator designed to provide a wide range of output voltages with excellent current regulation. It can output voltages from 1.25V to 37V and deliver an output current of up to 1.5A, making it versatile for various electronic applications. The device is part of the LM317 family, which is known for its ease of use and reliability in regulating voltage in circuits.
Key features include thermal overload protection, short-circuit protection, and output transistor safe area compensation. The LM317AMDT requires only two external resistors to set the desired output voltage, simplifying circuit design. This component is often used in power supply circuits, battery chargers, and other applications requiring a stable and adjustable voltage source. Its TO-252 surface-mount package makes it suitable for compact and efficient circuit layouts. Its robust performance and protective features make it a popular choice among engineers and hobbyists for managing power in electronic devices.

Equivalent

Equivalent products to the LM317AMDT voltage regulator chip include the LM317 series from various manufacturers, such as the LM317T LM317K, and LM317L. Other compatible alternatives are the UA7805, LM1086, and LT1083 series, which offer similar adjustable voltage regulation capabilities. Always verify the specifications and pin configurations to ensure compatibility with your specific application.

Features

The LM317AMDT is a versatile adjustable voltage regulator with the following key features:
1. Adjustable Output: It provides an output voltage range from 1.25V to 37V with an output current of up to 1.5A, making it suitable for various applications needing a custom voltage level.
2. Thermal Overload Protection: The device includes built-in thermal overload protection, which prevents damage due to excessive temperature.
3. Short-Circuit Protection: It features current limiting to protect against short-circuits.
4. Output Voltage Tolerance: Offers an output voltage tolerance of 1% for guaranteed accuracy.
5. Reliable Operation: The LM317AMDT ensures stable operation with improved line and load regulation.
6. Easy-to-Use: Requires only two external resistors to set the output voltage.
7. Package Options: It is available in various packages, including the TO-252, which aids in efficient heat dissipation.
Overall, the LM317AMDT is an efficient solution for applications requiring a reliable and adjustable power supply.

Pinout

The LM317AMDT is a variant of the LM317, a popular adjustable voltage regulator. It typically comes in a TO-252 package, also known as DPAK, which is a 3-pin configuration. The pin functions are as follows:
1. Input (Vin): This pin receives the input voltage from which the device regulates the output voltage. It should be higher than the desired output voltage.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage can be adjusted using external resistors.
3. Adjust (Adj): This pin is used to set the output voltage. By connecting a resistor between the output and adjust pins, and another resistor between the adjust pin and ground, you can set the desired output voltage.
The LM317AMDT allows for an output voltage range of 1.25V to 37V, depending on the input voltage and resistor values. It can deliver an output current of up to 1.5A. The device is well-suited for applications requiring a stable and adjustable power supply.

Manufacturer

The LM317AMDT is manufactured by Texas Instruments, an American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments, commonly known as TI, is renowned for its innovations in the electronics industry and serves a wide range of sectors including industrial, automotive, consumer electronics, and education. As a major player in the semiconductor market, TI provides products that are integral to designing and building electronic devices across the globe.

Application

The LM317AMDT is a versatile voltage regulator used in various applications. It is commonly employed in power supply circuits to provide adjustable and stable output voltage, making it ideal for use in battery chargers, LED drivers, and DC-to-DC converters. Additionally, it can be found in embedded systems and microcontroller projects for maintaining voltage levels. Its reliability and ease of use make it suitable for laboratory power supplies and DIY electronics projects. The device also works well in audio equipment and communication devices where precise voltage regulation is necessary. Overall, the LM317AMDT is favored in applications requiring adjustable voltage regulation across a wide range of currents.

Package

The LM317AMDT is typically available in a TO-252 surface-mount package, also known as the DPAK package. This type of packaging is suitable for applications requiring efficient heat dissipation and a small footprint on circuit boards.

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