TLVH431AIDBZTG4

Overview

The TLVH431AIDBZTG4 is a low-voltage adjustable precision shunt regulator from Texas Instruments, housed in an SOT-23-3 surface-mount package. It features an initial accuracy of 1% and a temperature coefficient of 138 PPM/C. The device supports an adjustable output voltage range up to a maximum of 18 V, with a maximum input voltage of 20 V. It operates within a wide current range, supporting a minimum shunt current of 80 uA and a maximum of 80 mA. The component functions reliably across an extended temperature range from -40 C to +125 C.

Feature Summary

• Adjustable precision shunt regulation topology for stable reference applications
• Wide operating current range accommodating both microampere standby and high-current load conditions
• Extended thermal stability suitable for demanding industrial environments

Applications

• Battery-powered portable devices requiring low quiescent current
• Industrial control systems needing precise voltage references
• Power supply feedback loops for regulation and monitoring

Procurement Notes

Verify the specific suffix DBZT corresponds to the SOT-23-3 package configuration and tape-and-reel delivery format. Confirm that the A-grade accuracy specification meets the circuit tolerance requirements. Ensure the supplier documentation aligns with the official Texas Instruments datasheet for the TLVH431A series to guarantee functional equivalence and parameter validity.

Selection Notes

Select this component when a compact surface-mount solution is required for low-voltage precision regulation. The SOT-23-3 footprint offers space efficiency compared to larger packages. Consider the 138 PPM/C temperature coefficient for thermal drift sensitivity. The wide current range allows flexibility in biasing resistor selection without compromising stability or efficiency in the target application design.

Part Context

This part belongs to the TLVH431A family of low-voltage adjustable precision shunt regulators. It shares architectural similarities with other TLV431 variants but distinguishes itself through its specific package type and extended temperature rating. The series is designed to replace traditional bandgap references in space-constrained designs while maintaining high accuracy and low power consumption characteristics typical of modern power management ICs.

Replacement Considerations

Direct substitutes include TLVH431AIDBZT and TLVH431AIDBZRG4, which share identical electrical specifications and pinout configurations. Verify package compatibility and reel specifications when sourcing alternatives. Cross-reference with TLV431AIDBVT only if the lower input voltage limit of 7 V is acceptable for the application.