TLVH432AQPKG3

Overview

The TLVH432AQPKG3 is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 20 V and provides an adjustable output voltage from 1.24 V to 18 V. The device features an initial accuracy of 1% and a temperature coefficient of 138 PPM/°C. It supports a maximum cathode current of 80 mA with a minimum operating current of 80 µA. The component functions reliably across an extended industrial temperature range of -40°C to +125°C and is housed in a compact SOT-89-3 surface-mount package.

Feature Summary

• Provides precise adjustable voltage regulation suitable for low-voltage applications
• Ensures stable performance across wide industrial temperature variations
• Offers high initial accuracy for demanding reference requirements

Applications

• Battery-powered equipment requiring precise voltage references
• Portable devices utilizing low-voltage power supplies
• Industrial control systems needing reliable shunt regulation

Procurement Notes

Verify the specific suffix 'QPKG3' against official Texas Instruments documentation to confirm package type, tape-and-reel specifications, and environmental compliance status. Ensure the procurement channel sources genuine components to avoid counterfeit risks associated with obsolete or end-of-life parts. Cross-reference the manufacturer part number with authorized distributor databases to validate current availability and lifecycle status before finalizing orders.

Selection Notes

Select this component when a precision adjustable shunt regulator is required for low-voltage circuits. The SOT-89-3 package offers a balance between thermal performance and board space efficiency. Consider the 1% initial accuracy and 138 PPM/°C temperature coefficient for applications demanding tight voltage stability over varying thermal conditions. Verify that the 80 mA maximum cathode current meets the circuit's load requirements.

Part Context

This device belongs to the TLVH432 family of low-voltage adjustable precision shunt regulators. It serves as a cost-effective alternative to traditional Zener diodes, offering superior accuracy and temperature stability. The family is designed for applications where power consumption and voltage precision are critical constraints in portable and battery-operated electronics.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific component variant are not available in the provided source material.