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LM317HVT

Name: LM317HVT
Rating: 4.7 (12 reviews)

Linear Voltage Regulators

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仕様

Standard Pack Qty	45
Packaging	Tube

概要

Description

The LM317HVT is an adjustable voltage regulator designed to provide a stable output voltage that can be set between 1.25V to 37V with a maximum output current of 1.5A. It features a high degree of accuracy, low dropout voltage, and thermal overload protection, making it suitable for various applications, including power supplies for circuits, battery chargers, and LED drivers.
The LM317HVT operates with an input voltage range of up to 40V, allowing it to work with various power sources. It requires only two external resistors to set the desired output voltage, simplifying circuit design. The device includes features such as short-circuit protection and a thermal shutdown mechanism, enhancing reliability and safety in operation.
Due to its versatility and ease of use, the LM317HVT is widely utilized in both hobbyist projects and professional electronics applications. Overall, it is a dependable choice for users needing a robust adjustable voltage regulator.

Features

The LM317HVT is a versatile adjustable voltage regulator that can output a voltage range from 1.25V to 37V with a maximum output current of 1.5A. Key features include:
1. Adjustable Output Voltage: Allows fine-tuning of the output voltage using external resistors.
2. High Efficiency: Operates efficiently across a wide range of loads and input voltages.
3. Thermal Protection: Built-in thermal overload protection prevents damage from overheating.
4. Short-Circuit Protection: Current-limiting feature safeguards against load short circuits.
5. Wide Input Voltage Range: Accepts input voltages up to 40V, making it suitable for various applications.
6. Low Dropout Voltage: Ensures stable operation with minimal voltage drop across the regulator.
7. Compact Package: Available in TO-220 and other packages, facilitating easy integration into designs.
The LM317HVT is ideal for use in power supplies, battery chargers, and other applications requiring adjustable voltage regulation.

Package

The LM317HVT is typically packaged in a TO-220 form factor, which is a heat-sinkable, plastic package. This allows for effective thermal management in applications where the regulator may dissipate significant power.

Pinout

The LM317HVT is a voltage regulator with a total of 3 pins.
Pin Functions:
1. Input (Vin): This pin accepts the input voltage, which can be as high as 40V.
2. Output (Vout): This pin provides the adjustable output voltage, which can be set between 1.25V to 37V, dependent on external resistors.
3. Adjust (Adj): This pin is used for setting the output voltage. By connecting resistors to this pin, the output voltage can be adjusted to the desired level.
The LM317HVT is particularly useful for providing a stable output voltage in various electronic applications.

Manufacturer

The LM317HVT is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1951, Texas Instruments specializes in designing and manufacturing a wide range of semiconductor products, including analog, embedded processing, and digital signal processing devices. TI is well-known for its innovation in the electronics industry, providing solutions for various applications such as consumer electronics, automotive, industrial, and telecommunications. The LM317HVT is a voltage regulator that offers adjustable output voltage, making it widely used in power supply designs. Texas Instruments operates globally, focusing on research and development to enhance technology and improve efficiency in electronic systems.

Application

The LM317HVT is a versatile adjustable voltage regulator used in various applications such as power supplies, battery chargers, constant current sources, and voltage regulators for electronic circuits. Its ability to provide stable output over a wide voltage range makes it suitable for embedded systems, automotive electronics, and industrial equipment. It's commonly utilized in projects requiring precise voltage regulation and in scenarios where adjustable output voltage is essential.

Equivalent

Equivalent products to the LM317HVT include the LM317, LM317T, and LM317L, which are all adjustable voltage regulators. Additionally, the LT1084 and the LM1084 are alternatives that provide similar adjustable voltage regulation capabilities. Ensure to check datasheets for specific electrical characteristics and thermal performance to ensure compatibility with your application.