LM217MDT-TR

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LM217MDT-TR

IC REG LINEAR POS ADJ 500MA DPAK

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Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 37V
Current-Output 500mA
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Tổng quan

Description

The LM217MDT-TR is a three-terminal adjustable voltage regulator that is commonly used in electronic circuits for voltage regulation tasks. It is part of the LM217 series, designed by STMicroelectronics, and is typically used to provide a stable output voltage ranging from 1.2V to 37V, with a maximum output current of 1.5A. The "TR" in its name indicates that it is supplied in tape and reel packaging, suitable for automated assembly processes.
Key features of the LM217MDT-TR include thermal overload protection, short-circuit protection, and safe area compensation, making it robust against typical circuit faults. It has a low dropout voltage, meaning it can operate efficiently at lower voltage differences between input and output, which is a desirable feature for battery-operated devices.
The component is commonly used in applications such as power supply units, battery chargers, and other electronic devices that require stable and adjustable voltage outputs. Its reliability and versatility make it a popular choice among engineers and designers in various industries.

Features

The LM217MDT-TR is a voltage regulator integrated circuit designed for adjustable voltage regulation. Key features include:
1. Adjustable Output: It provides an output voltage range from 1.2V to 37V, which can be set using two external resistors.
2. Output Current: Capable of delivering output currents up to 1.5A.
3. Thermal Overload Protection: It includes internal thermal protection to prevent damage from overheating.
4. Short-Circuit Protection: The device offers robust protection against short circuits.
5. Safe Area Compensation: Ensures safe operation over different conditions.
6. Dropout Voltage: Features a low dropout voltage, around 1.2V at 1.5A of output current.
7. Package: Available in a DPAK (TO-252) surface-mount package, making it suitable for compact designs.
8. Temperature Range: Operates effectively over a wide temperature range, enhancing reliability in various applications.
The LM217MDT-TR is commonly used in power supply designs, communication equipment, and other electronic devices requiring stable and adjustable voltage regulation.

Package

The LM217MDT-TR is a voltage regulator packaged in a DPAK/TO-252 surface-mount package. This package type is used for efficient heat dissipation and is suitable for applications requiring a compact form factor with moderate power dissipation capabilities.

Pinout

The LM217MDT-TR is a three-terminal adjustable voltage regulator with a pin count of 3. It is used to maintain a stable output voltage, which can be adjusted between 1.2V and 37V, given that the input voltage is at least 3V higher than the desired output voltage. The device can deliver output currents up to 1.5A.
The three pins are typically configured as follows:
1. Input (Vin): This pin receives the input voltage which is to be regulated.
2. Output (Vout): This pin provides the regulated output voltage.
3. Adjust (Adj): This pin is used to set the output voltage through a voltage divider network connected across the output and adjust pins.
The LM217MDT-TR is commonly used in applications requiring adjustable power supplies, constant current regulators, and various electronic circuit power supplies. Its robust design allows it to be used in a variety of thermal and electrical environments.

Manufacturer

The LM217MDT-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. These products are used across a wide array of applications, including automotive, industrial, personal electronics, computers, and communications equipment. The company is known for its expertise in various segments such as analog, digital, and mixed-signal products and is one of the largest semiconductor companies in the world with a strong focus on innovation and sustainability.

Application

The LM217MDT-TR is a linear voltage regulator used in applications requiring a stable voltage supply. Common areas include consumer electronics, communication devices, industrial equipment, and automotive systems. It is suitable for power supply regulation, battery-powered devices, and systems requiring low dropout voltage. Its versatility makes it ideal for maintaining consistent performance in circuits with fluctuating input voltages.

Equivalent

The LM217MDT-TR is a voltage regulator. Equivalent products include the LM317 series, such as LM317T or LM317L, from various manufacturers like Texas Instruments and ON Semiconductor. Additionally, alternatives like the UA78M33 from Texas Instruments and the L78 series from STMicroelectronics may also be suitable, depending on specific requirements like output current and package type. Always verify the specifications to ensure compatibility with your application.

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