The LM431AIM from Texas Instruments is a versatile, precision Zener shunt regulator that can be used in a wide array of applications. This three-terminal adjustable regulator operates as a high-performance replacement for zener diodes in applications requiring an improvement in zener performance. The LM431AIM provides a stable voltage reference with low temperature coefficients and low dynamic output impedance.
Key Features
- Voltage Range: The device has an adjustable output voltage range from 2.5V to 36V with a 0.5% typical output voltage tolerance.
- Low Dynamic Output Impedance: The dynamic output impedance of the LM431AIM is typically 0.22 ohms, a feature that enhances its performance over conventional zener diodes.
- Temperature Stability: Over the entire temperature range, the temperature stability of this device is excellent, making it reliable in various environmental conditions.
- Surface-Mount Package: The LM431AIM comes in an SOIC-8 package, which is suitable for automated surface-mount assembly processes and space-constrained applications.
Applications
The LM431AIM is suitable for a multitude of applications, including:
- Adjustable voltage and current references
- Voltage monitoring
- Switching power supplies
- Digital voltmeters
- Op-amp circuitry
- Charge pump circuits
Product Specifications
Parameter
Value
Output Voltage
2.5V to 36V
Package Type
SOIC-8
Temperature Range
-40°C to +85°C
Reference Voltage Tolerance
±0.5%
Quality and Reliability
Texas Instruments is committed to providing high-quality and reliable products. The LM431AIM is no exception, with its design and manufacturing processes conforming to the stringent industry standards for electronic components.
