TLVH432ACDBZRG4

Overview

The TLVH432ACDBZRG4 is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 1.8 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 maximum cathode current of 70 mA. It functions reliably across an extended temperature range of -40°C to +125°C. The component is housed in a compact SOT-23-3 surface-mount package, designed for low-voltage applications requiring precise voltage referencing.

Feature Summary

• Adjustable output voltage capability spanning from 1.24 V to 18 V
• High initial accuracy of 1% for precise voltage regulation
• Extended operating temperature range suitable for harsh environments
• Compact SOT-23-3 package optimized for space-constrained designs

Applications

• Battery-powered portable devices requiring stable reference voltages
• Low-voltage power supply circuits needing precise shunt regulation
• Temperature monitoring systems utilizing internal bandgap references
• Microcontroller peripheral voltage supervision and reset circuits

Procurement Notes

Verify the complete part number including suffixes such as RG4 to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Cross-reference with official Texas Instruments documentation to validate pinout compatibility and thermal characteristics before finalizing procurement decisions.

Selection Notes

Select this component when designing low-voltage systems requiring high precision and wide temperature stability. Ensure the application voltage does not exceed the 18 V maximum rating. Consider the 70 mA cathode current limit for load driving capabilities. The SOT-23-3 package is ideal for dense PCB layouts where minimal footprint is critical for modern electronic devices.

Part Context

This device belongs to the TLVH432 family of low-voltage adjustable precision shunt regulators. It serves as a cost-effective alternative to traditional Zener diodes, offering superior accuracy and temperature stability. The family is widely used in consumer electronics and industrial control systems where reliable voltage referencing is essential for proper circuit operation and signal integrity.

Replacement Considerations

Direct substitutes include TLVH432AQDBZR for automotive-grade applications and TLVH432BQDBZR for enhanced reliability variants. Verify pinout compatibility and electrical specifications against original design requirements before implementing any replacement components in existing circuits.