TL432QPKG3

Overview

The TL432QPKG3 is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within an extended temperature range of -40°C to +125°C and utilizes a SOT-89-3 surface-mount package. The device provides an adjustable output voltage ranging from 1.24V to 18V with an initial accuracy of 1.5%. It supports a maximum cathode current of 80mA and requires a minimum operating current of 80µA. The component withstands a maximum series reference input voltage of 20V and exhibits a temperature coefficient of 138 PPM/°C.

Feature Summary

• Provides precise adjustable reference voltage functionality for low-voltage applications
• Ensures stable regulation across an extended industrial temperature range
• Delivers high sink current capability for efficient power management

Applications

• Linear regulator circuits requiring precise voltage control
• Adjustable power supply designs
• Switching power supply feedback loops
• Battery charger voltage regulation systems
• Precision instrumentation signal conditioning

Procurement Notes

Verify the specific suffix 'QPKG3' against official Texas Instruments documentation to confirm package type, lead finish, and environmental compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity. Confirm that the component meets all required automotive or industrial qualification standards specified in the datasheet before final integration into production lines.

Selection Notes

Select this component when a low-voltage adjustable shunt regulator is required with high initial accuracy and wide temperature stability. Consider the SOT-89-3 package constraints for PCB layout and thermal dissipation requirements. Evaluate the 80µA minimum cathode current requirement to ensure proper biasing conditions are maintained during operation under varying load scenarios.

Part Context

This part belongs to the TLVH432 and TL432 family of adjustable precision shunt regulators produced by Texas Instruments. These devices serve as versatile voltage references and regulators in power management applications. The QPKG3 designation indicates a specific tape-and-reel packaging configuration suitable for automated surface-mount assembly processes.

Replacement Considerations

Publicly confirmed substitute part numbers for TL432QPKG3 were not identified in the provided source material.