TLV431ACDBZRG4

Overview

The TLV431ACDBZRG4 is a low-voltage adjustable precision shunt voltage reference manufactured by Texas Instruments. It operates within an input voltage range of up to 20 V and provides an adjustable output voltage up to 18 V. The device features an initial accuracy of 1% and a maximum temperature coefficient of 138 PPM/°C. It supports a maximum shunt current of 80 mA with a minimum operating current of 80 µA. The component functions reliably across a temperature range from -40°C to +125°C. It is housed in a SOT-23-3 surface-mount package and supplied in reel, cut tape, or MouseReel formats.

Feature Summary

• Provides precise adjustable voltage regulation suitable for low-voltage applications
• Ensures stable performance across wide industrial temperature ranges
• Offers high initial accuracy for reliable reference voltage generation

Applications

• Battery-powered equipment requiring precise voltage monitoring
• Portable consumer electronics utilizing low-voltage power supplies
• Industrial control systems needing accurate analog references

Procurement Notes

Verify the specific suffix RG4 corresponds to the required packaging format such as reel or cut tape when ordering. Confirm that the SOT-23-3 package dimensions align with the target PCB layout constraints. Ensure the thermal management strategy accommodates the specified operating temperature range of -40°C to +125°C. Check RoHS compliance status if environmental regulations are mandatory for the final product assembly.

Selection Notes

Select this component when a low-voltage adjustable reference is required with high accuracy. Consider the 1% initial accuracy and 138 PPM/°C temperature coefficient for precision requirements. Evaluate the 80 mA maximum shunt current against the circuit load demands. Verify compatibility with the SOT-23-3 footprint and ensure the input voltage does not exceed the 20 V limit.

Part Context

This part belongs to the TLVH431A series of low-voltage adjustable precision shunt regulators. It serves as a compact solution for voltage referencing in space-constrained designs. The device integrates standard shunt regulator functionality within a small surface-mount package. It is designed for applications where low voltage operation and high precision are critical requirements.

Replacement Considerations

The TLVH431ACDBZRG4 is listed as an alternative to the TLVH431ACDBZR. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement part meets the same temperature and accuracy requirements.