TL432AQDBVT

Overview

The TL432AQDBVT is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 2.495 V to 36 V and features an initial accuracy of ±1%. The device supports a maximum cathode current of 100 mA with a minimum operating current of 600 µA. It utilizes a SOT-23-3 surface-mount package and functions across a temperature range of -40°C to +125°C.

Feature Summary

• Provides adjustable reference voltage functionality using external resistors
• Offers high thermal stability suitable for automotive and industrial environments
• Features low output impedance for effective regulation performance

Applications

• Board-mounted regulators
• Adjustable power supplies
• Switching power supply circuits

Procurement Notes

Verify the specific suffix 'AQ' denotes the required 1% initial accuracy grade and 'DBVT' confirms the SOT-23-3 tape-and-reel packaging configuration. Confirm RoHS compliance status and ensure the selected variant matches the intended thermal operating range requirements for the target application environment.

Selection Notes

Select this component when a three-terminal adjustable shunt regulator is required in a compact SOT-23-3 footprint. Ensure the design accommodates the 100 mA maximum cathode current limit and verify that the external resistor network allows the desired output voltage setting within the specified operational limits.

Part Context

This part belongs to the TL432 family, which shares electrical characteristics with the TL431 series but utilizes a distinct pinout arrangement in DBV, DBZ, and PK packages. The TL432 architecture is designed to replace Zener diodes in various applications while providing superior precision and temperature stability compared to standard discrete references.

Replacement Considerations

Direct substitutes include TL432AIDBVR and TL432BIDBZT from Texas Instruments. Cross-manufacturer equivalents such as AS431BKTR-G1 may be considered if pin compatibility is verified.