The TLV431AILPR from Texas Instruments is a precision low-voltage shunt voltage reference that offers the flexibility of an adjustable shunt regulator with the precision voltage reference stability of a bandgap reference. This device is designed for a wide array of applications, including power supplies, battery-operated systems, and precision voltage regulation scenarios, making it a versatile component for designers.
Key Features
- Adjustable Output: The output voltage can be set to any value between Vref (approximately 1.24 volts) and 6 volts with the use of two external resistors.
- Low Voltage Operation: It operates at a minimum cathode current of 1mA, which is lower than the typical operating current for similar devices, making it suitable for portable and battery-powered applications.
- High Accuracy: The TLV431AILPR offers a precision reference with a typical initial accuracy of 0.5% and 1% max for A grade.
- Low Dynamic Impedance: It has a low output impedance of 0.5Ω, which improves the regulation and reduces voltage variation in response to load changes.
- Temperature Stability: The device features excellent stability over the entire temperature range, ensuring consistent performance in varying environmental conditions.
Applications
- Adjustable voltage and current references
- Power supplies and battery chargers
- Notebook/desktop computers
- Consumer electronics
- Portable/battery-powered equipment
Product Specifications
The TLV431AILPR is offered in a small SOT-89 package, which makes it ideal for space-constrained applications. It has an extended operating temperature range of -40°C to 85°C, catering to industrial requirements. The device is characterized for operation from -40°C to 125°C, providing a reliable performance in extreme conditions.
With its combination of features, the TLV431AILPR from Texas Instruments is an excellent choice for designers looking for a reliable, high-performance adjustable shunt voltage reference. Its precision, low power consumption, and small form factor make it a go-to component for a wide range of electronic applications.