TLV431BQPK

$0.55

Description：IC VREF SHUNT ADJ 0.5% SOT89-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk

SKU:9974789c25cb Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.5% SOT89-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Output Type：Adjustable
Voltage - Output (Min/Fixed)：1.24V
Voltage - Output (Max)：6 V
Current - Output：15 mA
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-243AA
Supplier Device Package：SOT-89-3
Grade：-
Qualification：-

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TLV431BQPK

Overview

The TLV431BQPK is an automotive-grade, low-voltage adjustable precision shunt regulator from Texas Instruments. It operates within a voltage range of 1.24 V to 18 V with a reference voltage of 1.24 V. The device features an initial accuracy of ±0.5% and a maximum cathode current of 70 mA. It supports a wide operating temperature range from -40°C to +125°C and is housed in a SOT-89-3 package. This component is designed for applications requiring high stability and precision in low-voltage environments.

Feature Summary

Automotive qualification compliant with AEC-Q100 standards for robust performance in vehicle electronics.
Low-voltage operation enabling precise regulation starting from a 1.24 V reference threshold.
High initial accuracy of ±0.5% ensures tight voltage tolerance across industrial and commercial temperature ranges.

Applications

Automotive power supply circuits requiring certified reliability
Low-voltage adjustable precision shunt regulation
Battery management systems in electric vehicles

Procurement Notes

Verify the specific suffix 'QPK' confirms the SOT-89-3 package and automotive grade status against the official Texas Instruments datasheet. Ensure the ordering part number matches the required tolerance and thermal specifications for your design. Cross-reference with authorized distributors to confirm authenticity and traceability documentation.

Selection Notes

Select this component when automotive certification (AEC-Q100) is mandatory for the application. Choose the TLV431BQPK over standard TLV431 variants if the design requires the specific SOT-89-3 footprint combined with ±0.5% accuracy. Verify that the 18 V maximum output voltage aligns with the system's rail requirements.

Part Context

This part belongs to the TLV431 family of low-voltage adjustable precision shunt regulators. The 'Q' prefix indicates automotive qualification, while 'PK' specifies the SOT-89-3 surface-mount package. It serves as a high-precision alternative to standard TL431 devices in automotive contexts where lower voltage operation and stricter quality standards are required.