STMicroelectronics

LM217LD

LM217LD Description

The LM217LD is a Linear & Switching Voltage Regulator produced by STMicroelectronics. This product is designed to offer adjustable output voltage and is capable of handling input voltages up to 40V. With a single regulator, it provides a positive output configuration and is capable of delivering an output current of 100mA. The LM217LD is obsolete, but it remains REACH unaffected, indicating that it does not contain any substances of very high concern (SVHC). It is also compliant with ROHS3, meaning it adheres to the European Union's Restriction of Hazardous Substances directive.

LM217LD Features

• Adjustable Output Voltage: The LM217LD allows for precise voltage regulation, which is essential for maintaining stable power supply in various electronic devices.
• Robust Input Voltage Range: Capable of withstanding a maximum input voltage of 40V, making it suitable for a wide range of applications.
• Positive Output Configuration: Ideal for applications requiring a positive voltage output.
• Over Temperature and Short Circuit Protection: Enhances the reliability and safety of the device by preventing damage from excessive temperatures or short circuits.
• PSRR (Power Supply Rejection Ratio): Offers an impressive 80dB to 65dB at 120Hz, ensuring minimal noise interference from the power supply.
• Moisture Sensitivity Level (MSL) 1: Indicating that the device can be stored without desiccant, simplifying handling and storage.
• Surface Mount Technology: Facilitates integration into modern, compact electronic designs.

LM217LD Applications

The LM217LD is ideal for applications where precise voltage regulation is crucial, such as in:

• Portable Electronic Devices: Due to its adjustable output and low output current, it is well-suited for powering small electronic devices like smartphones and wearables.
• Industrial Control Systems: Its robust input voltage range and protection features make it a reliable choice for industrial applications where voltage fluctuations are common.
• Automotive Electronics: The LM217LD can be used in automotive systems where a stable and adjustable voltage supply is necessary for various electronic components.

Conclusion of LM217LD

While the LM217LD is classified as obsolete, it remains a robust and reliable option for applications requiring adjustable, positive output voltage regulation. Its unique combination of features, including adjustable output, over-temperature and short-circuit protection, and a high PSRR, make it a standout choice in its category. Despite its obsolescence, the LM217LD continues to offer performance benefits and is suitable for a variety of applications where precise voltage regulation is essential.