TL432AIDBZRG4

Overview

The TL432AIDBZRG4 is a three-terminal adjustable precision shunt regulator manufactured by Texas Instruments. It operates within an applicable automotive, commercial, and military temperature range, ensuring specified thermal stability. The output voltage is programmable between approximately 2.5V and 36V using two external resistors. This device features an initial accuracy of 1% at 25°C and maintains low output temperature drift for excellent stability across the operating range. It functions as a direct replacement for many Zener diodes in board-mounted regulators and switching power supplies.

Feature Summary

• Provides precise adjustable reference voltage functionality with high thermal stability across automotive, commercial, and military temperature ranges.
• Features low output impedance and distinct on-characteristics suitable for replacing Zener diodes in various regulation applications.
• Offers 1% initial accuracy at 25°C with minimal temperature drift to ensure consistent performance.

Applications

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

Procurement Notes

Verify the specific suffix RG4 indicates tape and reel packaging configuration when sourcing. Confirm that the A-grade designation corresponds to the required 1% initial accuracy tolerance for your design specifications. Ensure compatibility with SOT-23-3 surface mount assembly processes during procurement planning.

Selection Notes

Select this component when precise voltage referencing is required in space-constrained designs utilizing SOT-23-3 packages. Consider its wide operating temperature range if the application involves harsh environments or automotive standards. Verify that the cathode current requirements align with the circuit's biasing capabilities.

Part Context

This part belongs to the TL432 series, which shares electrical characteristics with the TL431 but utilizes different pin arrangements for DBV, DBZ, and PK packages. It serves as a specialized alternative for designs requiring specific footprint compatibility while maintaining high-precision regulation capabilities.

Replacement Considerations

Direct functional equivalents include the TL431AIDBZR; however, verify pinout compatibility due to package arrangement differences. Other variants within the TL432 family may offer different accuracy grades or packaging options depending on specific project constraints.