The LM234 from STMicroelectronics is a versatile and reliable voltage regulator designed for a wide range of applications. As a member of the LM2xx series, it is a 3-terminal adjustable current source that offers outstanding ease of use and flexibility. This component is widely recognized for its high level of precision and stability across its operating range.

Key Features

• Adjustable Current Source: The output current can be adjusted from 1µA to 10mA by simply using a single resistor. This feature allows for a high level of customization for various circuit requirements.
• Wide Operating Voltage Range: The LM234 can function effectively over a broad range of input voltages, making it suitable for battery-operated devices as well as for higher voltage circuits.
• Low Temperature Coefficient: The device maintains a stable output current over a wide temperature range, ensuring consistent performance in varying environmental conditions.
• High Precision: Precision is key in any component, and the LM234 does not disappoint, with its tight output tolerance ensuring reliable operation in precision-based applications.
• Extended Lifetime: The LM234 is characterized by its long operational life, which is a result of its robust design and high-quality manufacturing processes.

Applications

The LM234's versatility makes it suitable for a plethora of applications. It is commonly used in battery chargers, power supplies, and as a programmable current regulator. It also finds its place in various testing equipment where precise current control is necessary. Additionally, it can be used as a current limiter or in constant current LED drivers, enhancing the performance and reliability of lighting systems.

Ordering Information and Packaging

The LM234 is available in multiple package options, including TO-92, TO-39, and SO-8, catering to different space and mounting requirements. It can be ordered directly from STMicroelectronics or through authorized distributors. Specific ordering codes are used to specify package type and quantity. For detailed information, refer to the official datasheet and ordering guide provided by STMicroelectronics.