TL1431ACL5T

Overview

The TL1431ACL5T is an adjustable shunt voltage reference IC manufactured by STMicroelectronics. It operates within a supply voltage range of 2.5 V to 36 V and provides an initial accuracy of ±1.0%. The device supports a cathode current range from 1 mA to 100 mA with a typical dynamic impedance of 0.2 Ω. It is housed in a SOT-23-5 surface-mount package and functions across a temperature range of 0°C to +70°C.

Feature Summary

• Adjustable output voltage capability set between 2.5 V and 36 V using two external resistors
• Guaranteed temperature stability over the entire operating temperature range
• Wide sink current capability ranging from 1 mA to 100 mA

Applications

• Precision power supplies requiring stable reference voltages
• Battery-powered equipment utilizing low-power voltage references
• Over-voltage protection circuits in electronic systems

Procurement Notes

Verify the specific suffix 'CL5T' against official STMicroelectronics documentation to confirm the exact pinout, tolerance class, and packaging configuration. Ensure that the ±1.0% accuracy specification aligns with the design requirements for the target application environment.

Selection Notes

Select this component when a compact SOT-23-5 footprint is required for space-constrained designs. Consider the ±1.0% initial accuracy and 90 ppm/°C temperature coefficient for applications demanding moderate precision without the need for automotive-grade extended temperature ranges.

Part Context

This part belongs to the TL1431 series of programmable shunt voltage references. The series offers various accuracy grades and package options, including SOIC-8 and SC-74A formats, catering to different industrial and consumer electronics needs while maintaining core functional compatibility.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.