TL431BQDBZT

$0.75

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7c6358876b34 Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.495V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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TL431BQDBZT

Overview

The TL431BQDBZT is an adjustable precision shunt regulator manufactured by Texas Instruments, housed in a SOT-23-3 surface-mount package. It operates with a maximum input voltage of 36 V and supports a cathode current range from 600 µA to 100 mA. The device features an initial accuracy of ±0.5% and a temperature coefficient of 92 PPM/°C. It functions within a temperature range of -40°C to +70°C.

Feature Summary

Provides stable reference voltage through adjustable shunt regulation topology
Ensures high precision with ±0.5% initial accuracy specification
Supports wide operating temperature range for industrial applications

Applications

Precision voltage reference circuits
Programmable linear power supplies
Voltage monitoring systems

Procurement Notes

Verify the specific suffix BQDBZT against official Texas Instruments documentation to confirm the exact tolerance grade and commercial temperature rating. Ensure compatibility with SOT-23-3 footprint requirements during procurement planning. Confirm RoHS compliance status via the manufacturer's latest datasheet before finalizing orders.

Selection Notes

Select this component when a compact SOT-23-3 form factor is required alongside tight ±0.5% accuracy specifications. Consider the 92 PPM/°C temperature coefficient for thermal stability needs. Evaluate the 600 µA minimum cathode current requirement against circuit load conditions to ensure proper regulation operation.

Part Context

This part belongs to the TL431 family of programmable shunt regulators widely used in power management ICs. It serves as a foundational component for feedback control loops in switching and linear regulators. The SOT-23-3 packaging allows for space-constrained designs while maintaining industry-standard performance characteristics.