TLV431IDBVT

Overview

The TLV431IDBVT is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 7 V and provides an adjustable output voltage from 1.24 V to 6 V. The device features an initial accuracy of 1% and a maximum temperature coefficient of 138 ppm/°C. It supports a maximum cathode current of 15 mA and functions across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-5 surface-mount format, it serves as a high-performance reference solution for space-constrained designs.

Feature Summary

• Provides precise voltage regulation with adjustable output capability via external resistors
• Ensures stable performance over wide temperature variations with low drift characteristics
• Delivers high accuracy suitable for demanding measurement and control applications

Applications

• Battery-operated equipment requiring efficient power management
• Data acquisition systems needing accurate voltage references
• Switch-mode power supplies utilizing feedback loop regulation

Procurement Notes

Verify the specific suffix 'I' indicates industrial temperature grade (-40°C to +125°C) and 'DBVT' denotes the SOT-23-5 package configuration. Confirm RoHS compliance status matches current manufacturing standards. Ensure ordering quantities align with distributor cut-tape or reel requirements. Cross-reference datasheet revisions to confirm pinout compatibility for existing PCB layouts.

Selection Notes

Select this component when a low-voltage, high-accuracy reference is required in a small footprint. It is suitable for designs operating between 2.5 V and 7 V where standard Zener diodes lack precision. Consider the 1% initial accuracy and thermal stability for applications sensitive to voltage drift. Compare against TLV431A variants if automotive qualification or tighter tolerance specifications are necessary for the system.

Part Context

This part belongs to the TLV431 family of low-voltage adjustable precision shunt regulators. It offers a cost-effective alternative to traditional bandgap references in compact form factors. The series is widely used in consumer electronics and industrial controls where space savings and power efficiency are critical design constraints.

Replacement Considerations

The TLV431AIDBVT is a similar variant within the same family, offering potentially different accuracy grades or automotive qualifications. Verify functional equivalence regarding pinout and electrical parameters before substitution.