STMicroelectronics

LM217LZ  

Linear & Switching Voltage Regulators

LM217LZ DescriptionThe

LM217LZ is a linear positive adjustable voltage regulator designed by STMicroelectronics. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Through Hole TO92-3 package. Despite being marked as obsolete, the LM271LZ remains a viable option for specific applications due to its robust performance and compliance with industry standards.

The LM217LZ features an adjustable output type, allowing users to set the output voltage within a range of 1.2V to 37V. It supports a maximum input voltage of 40V and can deliver up to 100mA of output current. The regulator is equipped with over-temperature and short-circuit protection, ensuring reliable operation under various conditions. The device also boasts a high Power Supply Rejection Ratio (PSRR) of 80dB to 65dB at 120Hz, which helps in maintaining stable output voltage even with varying input conditions.

LM217LZ Features

• Adjustable Output Voltage: The LM217LZ offers a wide adjustable output voltage range from 1.2V to 37V, making it suitable for a variety of applications requiring precise voltage control.
• High Input Voltage Capability: With a maximum input voltage of 40V, the regulator can handle a broad range of input sources, enhancing its versatility.
• Low Output Current: The 100mA output current capability is ideal for low-power applications, ensuring efficient power management.
• Protection Features: Over-temperature and short-circuit protection features safeguard the device and connected circuits from damage.
• High PSRR: The regulator maintains a high PSRR of 80dB to 65dB at 120Hz, ensuring stable output voltage and minimizing noise.
• Compliance: The LM217LZ is REACH unaffected and ROHS3 compliant, adhering to environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions without the need for special handling.

LM217LZ Applications

The LM217LZ is well-suited for applications requiring precise voltage regulation and low power consumption. Its adjustable output voltage and high input voltage capability make it ideal for:

• Low-Power Electronics: Devices that require stable voltage regulation with minimal power draw.
• Battery-Powered Systems: Portable devices that need efficient power management to extend battery life.
• Industrial Control Systems: Applications where precise voltage control is necessary for reliable operation.
• Telecommunications: Equipment that requires stable power supply to maintain performance.
• Consumer Electronics: Products that benefit from adjustable voltage regulation and low power consumption.

Conclusion of LM217LZ

The LM217LZ, despite being marked as obsolete, remains a reliable choice for applications requiring adjustable voltage regulation and low power consumption. Its wide input voltage range, adjustable output voltage, and robust protection features make it a versatile solution for various electronic systems. The device's compliance with industry standards and high PSRR further enhance its appeal. While newer alternatives may offer additional features, the LM217LZ continues to provide dependable performance in its specified applications.

LM217LZ Documents

Download datasheets and manufacturer documentation for LM217LZ

Datasheets :

LMx17L Datasheet      

HTML Datasheet :

LMx17L Datasheet