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LM317EMPX

Name: LM317EMPX
Rating: 4.7 (12 reviews)

Linear Voltage Regulators

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Мфр. Часть #LM317EMPX
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Спецификации

Standard Pack Qty	2000
Packaging	MouseReel

Обзор

Description

The LM317EMPX is a versatile adjustable voltage regulator commonly used in electronic circuits to provide a stable output voltage. It can output a voltage range from 1.25V to 37V, making it suitable for various applications, including power supplies, battery chargers, and LED drivers.
Key features include:
- Adjustable Output: By using external resistors, the output voltage can be set to the desired level.
- Current Limiting: It has built-in current limiting capabilities to protect against overload.
- Thermal Protection: Integrated thermal overload protection prevents damage due to excessive temperature.
- Wide Input Voltage Range: It can accept input voltages from 3V to 40V.
The LM317EMPX is typically housed in a TO-220 package, making it easy to mount and integrate into circuits. Its reliability and ease of use make it popular among hobbyists and professionals alike.

Features

The LM317EMPX is a variable voltage regulator capable of delivering an output voltage range between 1.25V and 37V with an output current of up to 1.5A. Key features include:
1. Adjustable Output Voltage: The output voltage can be easily adjusted using two external resistors.
2. Current Limiting: Built-in current limiting protects against overload conditions.
3. Thermal Protection: Features thermal shutdown to prevent overheating.
4. Wide Input Voltage Range: Accepts input voltages from 3V to 40V, making it flexible for various applications.
5. High Precision: Offers a typical output voltage tolerance of ±1.5%.
6. Low Dropout Voltage: Ensures efficient operation, particularly in battery-powered applications.
7. Versatile Applications: Suitable for various applications, including power supply circuits, battery chargers, and adjustable power sources.
The LM317EMPX is widely used in electronics for its reliability and ease of integration in circuit designs.

Package

The LM317EMPX is commonly available in a TO-220 package type. This package features a three-terminal configuration, allowing for effective heat dissipation and ease of mounting on a heatsink, making it suitable for various voltage regulation applications.

Pinout

The LM317EMPX is a popular adjustable voltage regulator with a pin count of 3. Its pin configuration and functions are as follows:
1. Input (Vin): This pin connects to the input voltage source. The input voltage must be higher than the desired output voltage by at least a few volts.

2. Output (Vout): This pin provides the adjustable output voltage, which can be set using external resistors. The output voltage can be adjusted from 1.25V to about 37V.
3. Adjust (Adj): This pin is used to set the output voltage. By connecting a resistor network between the output and the adjust pin, the desired output voltage can be achieved.
The LM317EMPX is commonly used in power supply applications where adjustable voltage levels are required, and it features built-in current limiting and thermal protection.

Manufacturer

The LM317EMPX is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, which are essential components in electronic devices. The company is well-known for its analog and digital signal processing technology, particularly in the fields of automotive, industrial, and consumer electronics. Texas Instruments is recognized for its innovation in the semiconductor industry and has a significant presence in both the production of microcontrollers and signal processing devices. The LM317 is a popular adjustable voltage regulator used in a wide range of applications, from power supplies to circuit design.

Application

The LM317EMPX is a versatile adjustable voltage regulator used in various applications, including power supply circuits, battery chargers, LED drivers, and precision voltage references. It provides a stable output voltage and can regulate voltages from 1.25V to 37V with a maximum output current of 1.5A. Its applications extend to consumer electronics, industrial automation, and automotive systems, where adjustable and reliable voltage regulation is essential.

Equivalent

Equivalent products to the LM317EMPX include the LM317, LM317T, and LM317L. Alternative adjustable voltage regulators that can serve similar functions are the LT1084, LM1084, and MCP1825. Additionally, the AMS1117 and LM1117 are also comparable for certain applications. Always verify specifications to ensure compatibility.

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