TL431ACDBZRG4

Overview

The TL431ACDBZRG4 is an adjustable precision shunt voltage reference from Texas Instruments, housed in a SOT-23 surface-mount package. It offers an initial accuracy of ±1% and operates within a temperature range of 0°C to 70°C. The device supports an output voltage range from 2.495V to 36V with a maximum cathode current of 100mA. Key electrical parameters include a maximum input voltage of 37V and a temperature coefficient of 92 ppm/°C.

Feature Summary

• Provides precise adjustable voltage regulation via a three-terminal shunt topology.
• Ensures stable performance across operating temperatures with defined thermal coefficients.
• Delivers high initial accuracy for reliable reference applications.

Applications

• Precision power supply regulation
• Voltage monitoring circuits
• Comparator reference sources

Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's latest documentation to confirm compliance status and packaging details. Ensure the selected variant matches the required temperature grade and accuracy class for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a compact SOT-23 footprint is required for adjustable shunt regulation. Consider the ±1% initial accuracy and 0°C to 70°C operating range to ensure compatibility with standard commercial-grade electronic designs requiring stable voltage references.

Part Context

This part belongs to the TL431 series of programmable shunt regulators. It serves as a widely used solution for replacing Zener diodes in feedback loops and reference circuits, offering superior performance characteristics compared to traditional discrete components in modern power management designs.

Replacement Considerations

Direct substitutes include TL431ACDBZR and TL431AIDBZR. Verify pinout compatibility and electrical specifications when transitioning between these variants to maintain circuit integrity.