LM217T

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LM217T

+BOM

IC REG LINEAR POS ADJ 1.5A TO220

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  • 제조업체 부품 #LM217T

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사양

속성 가치
PartStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 37V
Current-Output 1.5A
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -25°C ~ 150°C
MountingType Through Hole
Package/Case TO-220-3
SupplierDevicePackage TO-220
BaseProductNumber LM217

개요

Description

LM217T is a low-dropout voltage regulator known for its ability to provide a stable output voltage while minimizing the voltage difference between input and output. It is commonly used in applications requiring a steady power supply, such as in consumer electronics, automotive systems, and telecommunications. The LM217T typically supports output currents up to 1.5 A and features adjustable output voltage ranging from 1.25 V to 37 V, allowing versatility in various designs.
Its built-in protection features include thermal shutdown and current limiting, ensuring reliability and safety during operation. The device operates efficiently with minimal heat generation, making it suitable for compact circuit designs. It is available in several package types, including TO-220 and TO-263, facilitating easy integration into different layouts.
Overall, LM217T is a popular choice for engineers looking for a reliable, efficient, and adjustable voltage regulation solution in their electronic designs.

Equivalent

The LM217T is a voltage regulator chip, and its equivalents include the LM317, LM1117 LM338, and LM1084. These chips provide adjustable output voltage and similar functionality. Always check the specific application requirements, such as output current and thermal performance, to ensure compatibility.

Features

The LM217T is a versatile voltage regulator with several key features:
1. Output Voltage: It provides a fixed output voltage of 5V or adjustable output ranging from 1.2V to 37V, depending on the specific configuration.
2. Current Rating: It supports a maximum output current of up to 1.5A.
3. Thermal Protection: The LM217T includes built-in thermal shutdown to prevent overheating.
4. Short-Circuit Protection: It features internal current limiting to protect against short circuits.
5. Low Dropout Voltage: It has a low dropout voltage (typically 3V at full load), allowing effective operation even with minimal input-output voltage difference.
6. Wide Input Voltage Range: It can accept input voltages from 7V to 40V, making it suitable for various applications.
7. TO-220 Package: The device is housed in a TO-220 package, facilitating heat dissipation and allowing for a robust thermal performance.
8. Easy to Use: The LM217T is simple to implement in circuits, making it ideal for both hobbyist and professional applications.
These features make the LM217T a popular choice in power management applications.

Pinout

The LM217T is a variable voltage regulator with a pin count of 3. The pins and their 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 a certain margin (dropout voltage).
2. Output (VOUT): This pin provides the regulated output voltage. The output voltage can be adjusted using external resistors to set the desired level.
3. Adjust (ADJ): This pin is used to set the output voltage when using external resistors. It allows for fine-tuning the output voltage level according to the specific application requirements.
The LM217T can deliver a maximum output current of 1.5 A and is commonly used in power management applications, offering good load and line regulation.

Manufacturer

The LM217T is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments (TI) is known for designing and manufacturing a wide range of analog and digital semiconductor devices, including integrated circuits (ICs), microcontrollers, and other electronic components. Founded in 1930, the company has a strong focus on innovation and technology development, serving various industries such as automotive, industrial, consumer electronics, and communications. TI is recognized for its commitment to quality and reliability in its products, making it a significant player in the electronics market.

Application

The LM217T is a versatile voltage regulator primarily used in various applications including power supplies, DC-DC converters, and battery chargers. It provides adjustable output voltage and can regulate voltages within a range of 1.25V to 37V with up to 1.5A of output current. Common application areas include consumer electronics, automotive electronics, industrial automation, and instrumentation. Its thermal protection and current limiting features enhance reliability in harsh conditions, making it suitable for military and aerospace applications as well. Additionally, it's often utilized in prototyping and educational settings for electronic circuit design.

Package

The LM217T is typically available in a TO-220 package type, which is a metal can package designed for power applications. This package provides excellent thermal performance and is suitable for heat dissipation in voltage regulation circuits.