TLVH431ILP

Overview

The TLVH431ILP is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It functions as a three-terminal voltage reference with an output voltage range of 1.24 V to 18 V, set via external resistors. The device operates with a wide current range from 100 µA to 60 mA and features a typical dynamic impedance of 0.22 Ω. Designed for space-constrained applications, it is available in surface-mounted packages such as SOT-23-3L and SOT-23-5L, ensuring temperature stability across the operating range.

Feature Summary

• Adjustable output voltage capability ranging from 1.24 V to 18 V using external resistor dividers
• Low operating current consumption suitable for power-restricted designs
• High sink current capability up to 60 mA for robust regulation performance
• Guaranteed temperature stability over the entire specified operating temperature range

Applications

• Battery chargers
• Switch mode power supplies
• Battery operated equipment
• Data acquisition systems
• Energy management circuits

Procurement Notes

Verify the specific package variant (SOT-23-3L or SOT-23-5L) and accuracy grade required for the design. Confirm RoHS compliance status and lead times directly with authorized distributors. Ensure the selected part number matches the exact thermal and electrical specifications needed for the target application environment.

Selection Notes

Select this component when low power consumption and compact footprint are critical design constraints. The adjustable nature allows flexibility in setting reference voltages without fixed internal values. Consider the maximum sink current requirements and operating temperature range to ensure the device meets the system's reliability standards under all expected conditions.

Part Context

This device belongs to the TLVH431 family of low-voltage adjustable precision shunt regulators. It serves as a modern alternative to traditional references, offering improved performance in low-power scenarios. The family includes various package options and accuracy grades to support diverse industrial and consumer electronics applications requiring stable voltage references.

Replacement Considerations

Compatible substitutes include the TLVH431AIDBVTG4 and TLVH431CDBVRG4 from Texas Instruments. STMicroelectronics offers the TLVH431 series as a functional equivalent. Verify pinout compatibility and electrical parameters before substitution.