TL431BQDBVT

Overview

The TL431BQDBVT is an adjustable precision shunt regulator from Texas Instruments, housed in a SOT-23-5 surface-mount package. It provides an output voltage range of 2.495 V to 36 V with an initial accuracy of ±0.5%. The device supports a maximum cathode current of 100 mA and operates within a temperature range of -40°C to +125°C. Its thermal coefficient is specified at 92 ppm/°C, ensuring stable reference performance across industrial environments.

Feature Summary

• Provides high-precision adjustable voltage regulation with tight initial tolerance
• Operates reliably across extended industrial temperature ranges
• Supports high cathode current for effective load driving capabilities

Applications

• Precision voltage reference circuits
• Programmable linear power supplies
• Battery management systems

Procurement Notes

Verify the specific suffix 'BQ' against the manufacturer's official datasheet to confirm the exact accuracy grade and temperature rating. Ensure the SOT-23-5 footprint matches the target PCB design. Confirm RoHS compliance status through the latest production documentation before finalizing procurement specifications.

Selection Notes

Select this component when precise voltage referencing is required in space-constrained designs. The SOT-23-5 package offers a compact solution compared to larger alternatives. Consider the ±0.5% accuracy requirement and the 100 mA current capability to ensure it meets the specific load and tolerance demands of the application circuit.

Part Context

This part belongs to the TL431 family of programmable shunt regulators. These devices function as three-terminal integrated circuits that provide a stable reference voltage. The family is widely utilized in power management applications requiring accurate voltage control and feedback loop stabilization.

Replacement Considerations

TL431BQDBVRG4