TLVH432AIDBZT

Overview

The TLVH432AIDBZT is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 18 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 temperature range from -40°C to +125°C and is housed in a compact SOT-23-3 surface-mount package.

Feature Summary

• Adjustable output voltage capability spanning from 1.24 V up to the maximum supply limit of 18 V
• High precision performance characterized by 1% initial accuracy and stable operation over wide temperature variations
• Low power consumption design enabling efficient regulation with minimal quiescent current requirements

Applications

• Battery-powered portable electronic devices requiring precise voltage monitoring
• Power supply circuits utilizing low-voltage reference standards
• Portable instrumentation systems needing accurate analog signal conditioning

Procurement Notes

Verify the specific suffix designation to confirm the exact package type and tape-and-reel specifications, as these details define the physical form factor and handling requirements for automated assembly processes. Ensure that the selected variant aligns with the thermal management and footprint constraints of the target printed circuit board layout to guarantee proper installation and long-term reliability.

Selection Notes

Select this component when the application demands a precision voltage reference within a low-voltage operational envelope up to 18 V. It is suitable for designs prioritizing tight initial accuracy tolerances and extended industrial temperature ranges. Consider the SOT-23-3 package dimensions for space-constrained layouts where surface-mount technology is required for high-density assembly.

Part Context

This part belongs to the TLVH432 family of low-voltage adjustable shunt regulators designed for modern portable electronics. Unlike higher-voltage counterparts, this series optimizes performance for systems operating below 20 V. The family emphasizes low power consumption and high precision, making it a standard choice for battery-operated devices where energy efficiency and measurement accuracy are critical design parameters.

Replacement Considerations

The TLVH432AQDBZR is a qualified automotive-grade alternative within the same family offering similar electrical characteristics.