ON Semiconductor MC431BI Voltage Reference
The ON Semiconductor MC431BI is a precision voltage reference component designed to offer a stable reference voltage over a wide range of operating conditions. Its primary function is to provide a fixed reference voltage to the circuits, ensuring accurate and consistent performance. The MC431BI is a crucial element in many electronic applications, including power supplies, battery chargers, and voltage monitoring systems.
Key Features
- Precision Reference: The MC431BI provides a precise 2.5V output, which is essential for maintaining the accuracy of analog-to-digital conversions and ensuring the stability of power supplies.
- Low Temperature Coefficient: This component offers excellent temperature stability, making it reliable over a wide range of environmental conditions.
- Wide Operating Current Range: It is designed to operate with a current range from 1 mA to 100 mA, giving designers flexibility in various applications.
- Adjustable Output Voltage: While the default output is 2.5V, it can be adjusted over a range by using external resistors, providing versatility for specific design requirements.
- Low Dynamic Impedance: The MC431BI ensures low output noise and a stable output voltage even with load variations, which is critical for sensitive electronics.
Applications
The MC431BI is suited for a wide array of applications where a stable reference voltage is crucial. It is commonly used in:
- Power supplies and regulators
- Battery chargers
- Data acquisition systems
- Portable instruments
- Automotive electronics
Product Specifications
| Parameter |
Value |
| Output Voltage |
2.5V (adjustable) |
| Temperature Coefficient |
Typically 20 ppm/°C |
| Operating Current Range |
1 mA to 100 mA |
| Package Type |
TO-92 |
The ON Semiconductor MC431BI is a reliable and versatile voltage reference that can be a critical component in ensuring the performance and stability of various electronic systems.