Overview of TLVH431CDBVR Voltage Reference IC

The TLVH431CDBVR from Texas Instruments is a precision low-voltage shunt regulator that is designed to maintain a stable reference voltage over a wide range of operating conditions. This adjustable shunt regulator is commonly utilized in power supply circuits, providing a reference voltage for voltage monitoring and regulation purposes.

Key Features

• Adjustable Output Voltage: The device offers an output voltage range that can be set from 1.24V to 18V with two external resistors, allowing for high flexibility in various application designs.
• Low Dynamic Impedance: With a dynamic output impedance of 0.22Ω (typical), the TLVH431CDBVR ensures stable voltage regulation against load changes, making it ideal for tight regulation requirements.
• Low Temperature Coefficient: The temperature coefficient is typically 50ppm/°C, which helps maintain voltage stability across a wide temperature range, ensuring reliable operation in different environmental conditions.
• Wide Operating Current Range: The device operates over a current range of 70µA to 70mA, catering to a broad spectrum of applications from low-power to higher current demands.
• High Accuracy: It offers a typical reference voltage tolerance of ±1%, providing precise voltage regulation for critical applications.

Package and Reliability

The TLVH431CDBVR comes in a compact SOT-23-5 package, which is ideal for space-constrained applications. The small footprint of the device does not compromise its performance and reliability, making it a suitable choice for portable and high-density circuit designs. Furthermore, the device is characterized for operation from -40°C to 125°C, ensuring consistent performance across a wide temperature range.

Applications

This versatile voltage reference can be used in various applications including:

• Adjustable power supplies
• Battery chargers
• Power management for consumer electronics
• Voltage monitoring in automotive systems
• Portable and battery-powered equipment

With its precision voltage regulation and flexibility, the TLVH431CDBVR is a reliable component for designers looking to enhance the performance of their power supply systems.