Texas Instruments TL431IDBZR

Enrgtech Part No: ET11566468
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Manufacturer Part No:
TL431IDBZR
|
Manufacturer: Texas Instruments

Product Information

Initial Accuracy:

0.5 %, 1 %, 2 %

Mounting Type:

Surface Mount

Package Type:

SOT-23

Nominal Voltage:

36V

Reference Type:

Adjustable, Precision

Pin Count:

Topology:

Shunt

HTSUS:

8542.39.0060

RoHS Status:

ROHS3 Compliant

Noise - 0.1Hz to 10Hz:

Temperature Coefficient:

Operating Temperature:

-40°C ~ 85°C (TA)

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The Texas Instruments TL431IDBZR is a highly popular and versatile adjustable, precision shunt regulator integrated circuit (IC) that acts as a three-terminal reference voltage source. It offers an output voltage that can be precisely set to any value between 2.5V and 36V using just two external resistors, functioning essentially as a Zener diode replacement with a voltage reference. Packaged in a compact SOT-23 surface-mount format, it offers robust accuracy and a broad operating temperature range, making it indispensable for demanding power-management circuits.

Top Reasons to Use the Texas Instruments TL431IDBZR Voltage Reference

The TL431IDBZR voltage reference offers superior precision and temperature stability compared to traditional Zener diodes, allowing designers to achieve much tighter regulation in power supplies. Its adjustable output makes it highly adaptable for use in custom reference generators, voltage monitors, and—most commonly—as the crucial error amplifier in isolated switch-mode power supply (SMPS) feedback loops.

Core Performance Features & Key Uses of the TL431IDBZR

Reference Type: Adjustable Precision Shunt.
Output Voltage Range: Adjustable from 2.495V up to 36V.
Output Current: Up to 100 mA.
Accuracy: Available with 0.5%, 1%, and 2% initial accuracy options.
Topology: Shunt regulator.
Key Uses: Isolated power supply feedback (SMPS), linear regulators, voltage monitors, and current sinks.

TL431x/TL432x 12/Sep/2022(PCN Assembly/Origin)

Cu Wire 17/Jun/2016(PCN Design/Specification)

SOT devices Marking 05//Feb/2024(PCN Design/Specification)

Mult Devs Packaging/Labeling 24/Jun/2024(PCN Packaging)

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