Overview of Texas Instruments TLV431CDBVR

The Texas Instruments TLV431CDBVR is a precision low-voltage shunt voltage reference that offers a trimmed bandgap design capable of achieving a high degree of accuracy and stability. Designed for use in a wide array of applications, this voltage reference is particularly well-suited for portable and battery-powered devices, where energy efficiency and reliability are paramount.

Key Features

• Adjustable Output Voltage: The TLV431CDBVR offers an output voltage range from 1.24V to 16V, which can be set with two external resistors. This feature allows designers to customize the output voltage to meet specific circuit requirements.
• Low Voltage Operation: With a minimum cathode current requirement of just 80µA for regulation, the device is optimized for systems that operate on low voltages, making it ideal for battery-operated equipment.
• High Precision: The device boasts a typical temperature coefficient of only 50 ppm/°C, ensuring a stable output voltage over a wide temperature range, which is critical for precision applications.
• Low Dynamic Output Impedance: The TLV431CDBVR has a dynamic output impedance of 0.22Ω, which contributes to stable voltage regulation even with varying load conditions.

Applications

Due to its versatility and high performance, the TLV431CDBVR is suitable for a variety of applications, including:

• Power supply monitoring
• Adjustable voltage and current references
• Battery chargers
• Notebook and laptop computers
• Portable electronics

Package and Reliability

The TLV431CDBVR comes in a compact SOT-23-5 package, which is highly space-efficient and ideal for small form factor designs. Texas Instruments' commitment to quality ensures that this voltage reference maintains a high level of reliability, providing consistent performance even under harsh operating conditions.

In summary, the Texas Instruments TLV431CDBVR is a versatile, high-precision shunt voltage reference that delivers reliable performance for a broad range of electronic applications. Its adjustable output, low operational voltage, and stability make it an excellent choice for designers looking to enhance the accuracy and efficiency of their power management systems.