TLVH432IDBZTG4

Overview

The TLVH432IDBZTG4 is an adjustable precision shunt regulator manufactured by Texas Instruments, designed for low-voltage applications. It operates within a supply voltage range of 1.5 V to 18 V and provides an adjustable output voltage from 1.24 V to 18 V. The device features a typical initial accuracy of 1.5% and a maximum cathode current of 70 mA. It functions reliably across an operating temperature range of -40°C to +85°C. Packaged in a compact SOT-23-3 surface-mount case, it serves as a high-performance reference solution for space-constrained designs.

Feature Summary

• Capable of operation with supply voltages as low as 1.5 V, enabling compatibility with single-cell battery systems.
• Provides precise programmable reference functionality with tight initial accuracy specifications.
• Delivers high cathode current capability suitable for driving loads without external buffering.

Applications

• Battery-powered portable electronic devices requiring low standby current
• Low-voltage power supply monitoring and control circuits
• Portable instrumentation and measurement equipment

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status according to the manufacturer's latest documentation. Confirm the package marking code matches the SOT-23-3 physical dimensions. Ensure the ordering part number aligns with the required tape-and-reel quantity or cut-tape availability for the intended production volume.

Selection Notes

Select this component when the application requires an adjustable reference with a minimum operating voltage below 2.5 V. Compare the 70 mA cathode current limit against load requirements to determine if external buffering is necessary. Evaluate the 1.5% initial accuracy against system tolerance budgets. Consider the SOT-23-3 footprint constraints relative to available PCB real estate.

Part Context

This device belongs to the TLVH43x family of low-voltage programmable shunt regulators. It shares functional similarities with the standard TL432 series but is optimized for lower input voltage ranges starting at 1.5 V. The family includes fixed and adjustable variants packaged in small outline transistor formats for efficient space utilization in modern electronics.

Replacement Considerations

The TLVH431IDBZT is a comparable adjustable shunt regulator within the same low-voltage family. Verify that the alternative device supports the required 1.5 V minimum operating voltage and meets the 70 mA cathode current specification for direct pin-to-pin substitution.