STMicroelectronics

LM334D

LM334D Description

The LM334D is a high-performance current source IC designed and manufactured by STMicroelectronics. With a base product number of LM334, this device is part of the Current & Power Monitors & Regulators category. It is designed to provide a stable and accurate current output of 10mA with an accuracy of ±3%. The LM334D operates over a wide input voltage range of 1V to 40V and is suitable for a wide range of applications. However, it is important to note that the LM334D is currently classified as obsolete, which may limit its availability and future support.

LM334D Features

1. Operating Temperature Range: The LM334D can operate in a wide temperature range of 0°C to 70°C, making it suitable for various environments and applications.

2. Current Output: It provides a stable current output of 10mA, which is ideal for applications requiring precise current regulation.

3. Accuracy: The LM334D offers an accuracy of ±3%, ensuring reliable and consistent performance in various applications.

4. Voltage Input Range: It can operate with an input voltage range of 1V to 40V, providing flexibility in power supply selection.

5. Mounting Type: The LM334D is designed for surface mount applications, making it suitable for modern PCB designs and compact electronic devices.

6. Package: It comes in a tube package, which is convenient for handling and storage.

7. RoHS Compliance: The LM334D is compliant with the RoHS3 directive, ensuring its use in environmentally friendly products.

8. REACH Status: The device is REACH unaffected, indicating that it does not contain any substances of very high concern (SVHC) listed in the European Union's REACH regulation.

9. ECCN and HTSUS Codes: The LM334D is classified under the EAR99 ECCN and 8542.39.0001 HTSUS codes, which are essential for international trade and customs purposes.

LM334D Applications

The LM334D is ideal for various applications where precise current regulation is required. Some specific use cases include:

1. Power Management: The LM334D can be used in power management systems to regulate current flow and ensure stable power supply to various components.

2. Sensor Calibration: It can be used in calibration systems for sensors, where precise current control is essential for accurate measurements.

3. LED Current Regulation: The LM334D is suitable for regulating the current through LEDs, ensuring consistent brightness and preventing overheating.

4. Battery Management: It can be used in battery management systems to monitor and control the current flow, extending battery life and ensuring safe operation.

Conclusion of LM334D

The LM334D is a versatile and reliable current source IC from STMicroelectronics. Its wide operating temperature range, stable current output, and accuracy make it suitable for various applications in power management, sensor calibration, LED current regulation, and battery management. However, its obsolete status may limit its availability and future support. Despite this, the LM334D remains a valuable option for applications requiring precise current regulation and control.