TLV431IDBVTE4

Overview

The TLV431IDBVTE4 is a precision programmable shunt voltage reference manufactured by Texas Instruments. It operates within a voltage range of 2.5 V to 36 V and provides an adjustable output voltage from 1.24 V to the supply voltage. The device features low dynamic output impedance, ensuring stable regulation under varying load conditions. It includes internal compensation for stability in feedback loops. The component is available in a small SOT-23 package, suitable for space-constrained designs. Key electrical characteristics include a typical initial accuracy of ±0.4% and a temperature coefficient of 50 ppm/°C over the industrial temperature range.

Feature Summary

• Precision programmable shunt reference with high accuracy
• Low dynamic output impedance for stable regulation
• Internal compensation ensures loop stability
• Wide operating voltage range up to 36 V

Applications

• Battery-powered equipment requiring precise voltage references
• Linear regulators and power supplies needing stable reference voltages
• Portable devices where space and power efficiency are critical
• Industrial control systems requiring accurate analog signal conditioning

Procurement Notes

Verify the exact ordering suffix matches the required package type and tape/reel specifications. Confirm that the temperature grade aligns with your application's environmental requirements. Check for any specific handling instructions related to electrostatic discharge sensitivity during storage and assembly processes.

Selection Notes

Consider the required accuracy level and temperature stability when choosing this component. Evaluate the available package options to ensure compatibility with your PCB layout constraints. Assess the operating voltage range to confirm it meets your system's supply voltage needs without exceeding maximum ratings.

Part Context

This component belongs to the TLV431 family of programmable shunt voltage references. It serves as a cost-effective alternative to Zener diodes in many applications. The family offers various package options to suit different design requirements. It is widely used in consumer electronics and industrial applications due to its reliability and performance.

Replacement Considerations

Compatible substitutes include other TLV431 variants with similar pinouts and electrical characteristics. Ensure any replacement part maintains the same accuracy and temperature coefficient requirements. Verify package compatibility to avoid redesigning the PCB footprint.