TLVH431BQLP

Overview

The TLVH431BQLP is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 1.24 V to 18 V and features an initial accuracy of 0.5%. The device supports a maximum cathode current of 70 mA and maintains a temperature coefficient of 138 PPM/C. It functions reliably across an operating temperature range from -40°C to +125°C. The component utilizes a TO-92-3 through-hole package, making it suitable for applications requiring robust surface or board mounting in power management circuits.

Feature Summary

• Provides adjustable precision voltage reference functionality with high initial accuracy
• Operates effectively at low voltages with wide operating current capabilities
• Designed for automotive-grade reliability with extended temperature performance

Applications

• Automotive power supply regulation systems
• Low-voltage precision shunt regulator circuits
• Battery monitoring and protection interfaces

Procurement Notes

Verify the specific suffix 'QLP' against the official Texas Instruments datasheet to confirm the TO-92-3 package and automotive qualification status. Ensure the order matches the required 0.5% accuracy grade. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and RoHS compliance documentation availability before finalizing procurement.

Selection Notes

Select this component when a through-hole TO-92-3 package is required for low-voltage precision regulation. It serves as a suitable alternative to SMD-only variants when board space allows for axial leads. Consider the 70 mA cathode current limit and 138 PPM/C temperature coefficient during thermal design. Verify that the 1.24 V minimum output aligns with the circuit's reference requirements.

Part Context

This part belongs to the TLVH431 family of low-voltage adjustable precision shunt regulators. The 'B' designation indicates the 0.5% accuracy grade, while 'Q' signifies automotive qualification. The 'LP' suffix typically denotes the TO-92-3 through-hole package variant, distinguishing it from the SOT-23-5 (DBV) or SOT-89-3 (PK) packages found in other family members.

Replacement Considerations

Direct replacements include TLVH431BQLPRE3, which shares the same automotive qualification, accuracy, and TO-92-3 package configuration. Other family members like TLVH431BQDBVR offer identical electrical performance but require SMD footprint adaptation.