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TL431AIZT
Voltage Reference with 100mA Output
TL431AIZT
Voltage Reference with 100mA Output
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Manufacturer Part # : TL431AIZT
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Package/Case: TO-92
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Brand: Stmicroelectronics
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Product Categories : Voltage Reference
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
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If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
Tape and Reel
Cut Tape
Tube or Tray
TL431AIZT DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 5 | $0.178 | $0.89 |
| 50 | $0.145 | $7.25 |
| 150 | $0.130 | $19.50 |
| 500 | $0.112 | $56.00 |
| 2000 | $0.104 | $208.00 |
| 4000 | $0.099 | $396.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
Featuring a low dynamic output impedance and a maximum cathode current of 100mA, the TL431AIZT is well-suited for shunt regulator applications in low to medium current scenarios. Its wide operating temperature range of -40°C to 125°C allows for versatile use in various environmental conditions, while its compact SOT-23 package provides space-saving benefits for compact designs
Key Features
- This device is highly reliable with a long lifespan
- making it suitable for industrial applications and harsh environments
- It has a high power handling capability and low power dissipation
Application
- Regulate voltage with precision
- Essential for power supplies
- Audio equipment optimization
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Operating Temp Min Celsius | 0.0 | Operating Temp Max Celsius | 105.0 |
| ECCN US | EAR99 | ECCN EU | NEC |
| Packing Type | Tape And Reel | RoHs compliant | Ecopack2 |
| Grade | Industrial | Package Name | TO-92 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TL431AIZT?
The TL431AIZT is a precision adjustable shunt regulator designed by Texas Instruments. It features a reference voltage of 2.5V and can be programmed to regulate voltages between 2.5V and 36V, making it suitable for a wide range of applications including power management, voltage regulation, and precision instrumentation.
How Does TL431AIZT Work?
The TL431AIZT works as a three-terminal voltage regulator that uses an adjustable shunt reference to regulate the output voltage. It operates by comparing the reference voltage with the output voltage and adjusting the shunt voltage accordingly to maintain the desired output voltage. The device features low output noise and low dynamic impedance, thereby providing stable and accurate output voltage regulation.
How Many Pins does TL431AIZT have and What are the Functions of the Pinout Configuration?
The TL431AIZT is housed in a 3-pin TO-92 (Transistor Outline-92) package. The pinout configuration includes:
- Anode (A): Input pin where the unregulated voltage is applied.
- Cathode (K): Output pin where the regulated voltage is produced.
- Reference (R): Pin to provide a reference voltage to the internal comparator.
What are the Pros and Cons of TL431AIZT?
Pros:
- High Precision: Provides high accuracy and stability in voltage regulation.
- Adjustable: Can be adjusted to regulate voltages between 2.5V and 36V.
- Low Dropout Voltage: Achieves a low dropout voltage, making it suitable for applications with low input voltage.
- Cost-Effective: Provides economical voltage regulation compared to other alternatives.
- Easy to Implement: Can be easily integrated into various circuit designs.
Cons:
- Accuracy Affected by Temperature: The accuracy of voltage regulation can be affected by temperature changes.
- Heating: May generate heat during operation which can be a concern in certain applications.
- External Components: May require additional external components such as capacitors for optimal performance in certain applications.
Are There Any Equivalents/Alternatives to TL431AIZT for Recommendation?
- The LM431 from Texas Instruments is a similar adjustable shunt regulator.
- Alternatives to the TL431AIZT include the TLV431 from Texas Instruments and the KA431 from Fairchild Semiconductor.
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