The TLVH431CDBZRG4 is a low-voltage, three-terminal adjustable shunt regulator with specified thermal stability from Texas Instruments. Designed with a typical output impedance of 0.2 ohms, this device offers excellent output regulation over a wide range of operating conditions, including a minimum cathode current requirement as low as 70 µA for operation.

Key Features

• Adjustable Output Voltage: The device can be programmed from Vref (approximately 1.24 V) to 18 V with two external resistors.
• Low Dynamic Output Impedance: The 0.2 ohms typical impedance enhances regulated output performance.
• Temperature Compensated: The TLVH431CDBZRG4 is designed to maintain stability over the entire temperature range of -40°C to 125°C.
• Low Operational Cathode Current: The minimum cathode current requirement is only 70 µA, which makes it suitable for low-power applications.
• High Precision: It offers a typical output voltage tolerance of ±0.5% at 25°C.

Applications

This shunt regulator is versatile and can be used in a variety of applications, including:

• Adjustable power supplies
• Switching power supplies
• Instrumentation systems
• Voltage monitoring
• Precision current limiters
• Reference voltage in battery-powered devices

Package and Quality

The TLVH431CDBZRG4 comes in a small outline integrated circuit (SOIC) package, which is suitable for automated surface-mount assembly processes and space-constrained applications. Texas Instruments ensures high reliability and performance by subjecting their products to rigorous quality control procedures.

Environmental and Regulatory Compliance

As part of Texas Instruments' commitment to environmental responsibility, the TLVH431CDBZRG4 complies with RoHS standards, reducing the environmental impact by restricting the use of certain hazardous substances in electronics.