STMicroelectronics LM234D - Precision Current Regulator

The LM234D from STMicroelectronics is a precision current regulator integrated circuit that provides an adjustable current source with excellent temperature stability. Designed to operate over a wide voltage range, this device is versatile and suitable for a broad spectrum of applications, ranging from power supply control to biasing for analog circuits.

Key Features

• Adjustable Current Source: The LM234D offers an adjustable current ranging from 1µA to 10mA, allowing for fine-tuning to meet specific circuit requirements.
• Wide Operating Voltage Range: This component can operate effectively across a voltage range of 1V to 40V, providing flexibility in various power supply conditions.
• Low Temperature Coefficient: Temperature stability is ensured with a low temperature coefficient, making the LM234D reliable across a range of environmental conditions.
• Dynamic Impedance: With a dynamic impedance of 0.2Ω, the device provides a stable current source unaffected by voltage variations.

Applications

The LM234D is ideal for a host of applications, such as:

• Charging circuits where precise current control is required.
• Current source for LED illumination and displays.
• Constant current source for biasing transistors, FETs, and other semiconductors.
• Shunt regulator substitute in low current applications.

Quality and Reliability

STMicroelectronics is known for its commitment to quality, and the LM234D is no exception. It is fabricated with the latest technology for integrated circuits, ensuring high reliability and performance. The device is available in a standard SO-8 package, which is suitable for automated assembly processes and is compatible with a wide range of PCB layouts.

Environmentally Friendly

Consistent with STMicroelectronics' dedication to environmental sustainability, the LM234D is designed to meet RoHS and Green Product requirements, reducing the environmental impact of electronic components.