STMicroelectronics

LM217MDT-TR  

Linear & Switching Voltage Regulators

The LM217MDT-TR is a voltage regulator IC manufactured by STMicroelectronics. It is a member of the LM217 series, which are adjustable three-terminal positive voltage regulators. Here is a brief description of the model LM217MDT-TR, its features, and applications:

Description:

The LM217MDT-TR is a monolithic integrated circuit that provides a highly stable and adjustable output voltage with a minimum load current. It offers excellent line and load regulation, making it suitable for a wide range of applications.

Features:

1. Adjustable output voltage: The output voltage can be easily adjusted using external resistors, allowing for a wide range of output voltages (1.25V to 37V).
2. High input voltage range: The LM217MDT-TR can accept input voltages from 4V to 40V, making it suitable for various power supply applications.
3. Low dropout voltage: The dropout voltage is typically around 1.5V, ensuring efficient operation even under low input voltage conditions.
4. Low quiescent current: The quiescent current is typically 7mA, which is relatively low compared to other voltage regulators.
5. Thermal shutdown protection: The LM217MDT-TR features an internal thermal shutdown mechanism that protects the device from overheating.
6. Short-circuit protection: The device provides short-circuit protection to prevent damage in case of a short-circuit condition.
7. Package type: The LM217MDT-TR is available in a TO-220AB package, which is a popular and widely used package for power transistors and voltage regulators.

Applications:

1. Linear power supplies: The LM217MDT-TR can be used in linear power supply designs to provide a stable and adjustable output voltage.
2. Battery-powered applications: It can be used to regulate the output voltage from batteries, such as in portable electronic devices or battery chargers.
3. Voltage conversion: The LM217MDT-TR can be used to convert a higher input voltage to a lower output voltage for various electronic circuits.
4. Motor speed control: The adjustable output voltage feature makes it suitable for controlling the speed of DC motors in applications like fans, pumps, and conveyor systems.
5. LED lighting: The LM217MDT-TR can be used to regulate the voltage supplied to LED lighting systems, ensuring consistent brightness and prolonging the life of the LEDs.
6. Audio and video equipment: The stable output voltage provided by the LM217MDT-TR can be used in audio and video equipment to maintain consistent performance.

In summary, the LM217MDT-TR is a versatile and reliable voltage regulator IC that offers adjustable output voltage, high input voltage range, and various protection features. It is suitable for a wide range of applications, including power supplies, battery-powered devices, voltage conversion, motor speed control, LED lighting, and audio/video equipment.

LM217MDT-TR Documents

Download datasheets and manufacturer documentation for LM217MDT-TR

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