LM317MDTX

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LM317MDTX

IC REG LINEAR POS ADJ 500MA DPAK

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Bảo hành 365 ngày

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Thông số kỹ thuật

Part Status Obsolete
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) 37V
Current - Output 500mA
Current - Quiescent (Iq) 10 mA
PSRR 80dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package DPAK
Base Product Number LM317

Tổng quan

Description

The LM317MDTX is an adjustable three-terminal voltage regulator widely used in electronic circuits for providing a stable output voltage. It can output voltages ranging from 1.25V to 37V and supports load currents up to 1.5A. The LM317 is designed to be simple to use, requiring only two external resistors to set the desired output voltage, making it suitable for a wide range of applications, including power supplies, battery chargers, and LED drivers.
Key features include thermal overload protection, short-circuit protection, and a wide input voltage range, typically up to 40V. The device is often packaged in TO-220 or similar configurations for easy integration into circuits. Its versatility and reliability make the LM317MDTX a popular choice among hobbyists and engineers for various regulated power supply applications.

Features

The LM317MDTX is an adjustable three-terminal voltage regulator that provides a flexible solution for various voltage regulation needs. Key features include:
1. Adjustable Output Voltage: It can output voltages from 1.25V to 37V, allowing for customization based on circuit requirements.
2. High Output Current: It supports output currents up to 1.5A, making it suitable for various applications.
3. Thermal Overload Protection: Integrated thermal shutdown ensures safe operation by preventing overheating.
4. Current Limiting: This feature protects against overcurrent conditions, enhancing reliability.
5. Wide Input Voltage Range: It operates with input voltages from 3V to 40V, accommodating different power supply scenarios.
6. Easy to Use: Minimal external components are needed for basic operation, simplifying circuit design.
7. Low Dropout Voltage: Typically around 3V, which is beneficial for battery-powered applications.
Overall, the LM317MDTX is versatile and efficient for various electronic applications, including power supplies and battery chargers.

Package

The LM317MDTX is typically packaged in the TO-220 form factor, which is a common package for power regulators. This package allows for efficient heat dissipation and easy mounting to a heatsink, making it suitable for various applications.

Pinout

The LM317MDTX is an adjustable linear voltage regulator in a TO-220 package with 3 pins.
Pin Count and Functions:
1. Input (Pin 1): This pin is connected to the input voltage source, which should be higher than the desired output voltage.
2. Output (Pin 2): This pin provides the regulated output voltage, which can be adjusted using external resistors.
3. Adjust (Pin 3): This pin is used to set the output voltage by connecting a voltage divider to ground, allowing the user to adjust the output voltage to a desired level.
The LM317 can provide output voltages from 1.25V to 37V with a maximum output current of 1.5A, making it versatile for various applications in power supply circuits.

Manufacturer

The LM317MDTX is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is known for designing and producing a wide range of electronics, including analog and embedded processing chips. Founded in 1930, TI has a strong reputation in the industry for innovation and quality, providing products for various applications, including automotive, communications, consumer electronics, and industrial systems. The LM317 is a voltage regulator that allows users to adjust the output voltage, making it versatile for numerous electronic projects and devices. TI operates globally, focusing on technology development and providing solutions that enhance performance and efficiency in electronic systems.

Application

The LM317MDTX is a versatile adjustable voltage regulator commonly used in various applications, including power supplies, battery chargers, LED drivers, and electronic circuits requiring stable output voltage. It is ideal for use in automotive systems, telecommunications equipment, and consumer electronics, providing a regulated output for devices with varying load conditions. Its ability to handle different input voltages and deliver adjustable output makes it suitable for prototyping and embedded systems.

Equivalent

The LM317MDTX is a voltage regulator. Equivalent products include:
1. LM317 - General-purpose adjustable voltage regulator.
2. LT1084 - Low dropout adjustable regulator.
3. LM338 - Higher current adjustable voltage regulator.
4. LM317T - Similar adjustable regulator with different package options.
5. LM317A - More precise version with tighter voltage regulation.
Always verify specifications for specific application requirements.

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