TL431AIDBZR

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TL431AIDBZR

IC VREF SHUNT ADJ 1% SOT23-3

  • Manufacturer
  • Mfr. Part #TL431AIDBZR
  • Package SOT-23 (DBZ)-3
  • Datasheet
  • In Stock7023

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±1%
Current-Cathode 700 µA
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Overview

Description

The TL431AIDBZR is a precision programmable voltage reference from Texas Instruments, commonly used in power supply applications for voltage regulation. It functions as a shunt regulator, providing an adjustable output voltage ranging from 2.5V to 36V when used with two external resistors. The TL431AIDBZR offers a typical output voltage tolerance of ±0.5% at 25°C, ensuring high accuracy and stability across temperature variations.
This component is housed in a SOT-23 package, which is compact and suitable for space-constrained designs. It operates over a wide temperature range of -40°C to +85°C, making it versatile for various applications. The device's low output noise and dynamic impedance further enhance its performance in precision circuits.
Typical applications include use in switch-mode power supplies, linear regulators, and overvoltage/undervoltage protection circuits. The TL431AIDBZR's ability to provide stable voltage references makes it an essential component in many analog and digital electronics. Its adaptability and precision make it a popular choice among engineers for maintaining voltage stability in a wide range of electronic devices.

Features

The TL431AIDBZR is a precision programmable voltage reference with several key features:
1. Adjustable Output Voltage: It offers an adjustable shunt regulator with a voltage range typically from 2.5V to 36V, which allows for flexibility in various applications.
2. Accuracy: High precision is a significant feature, with tight voltage tolerance at 0.5%, ensuring reliable performance.
3. Temperature Stability: It has excellent thermal stability over a wide operating temperature range, from -40°C to 125°C, making it suitable for environments with varying temperatures.
4. Low Output Noise: This component produces low output noise, crucial for precision analog circuits.
5. Dynamic Response: The TL431AIDBZR exhibits a fast dynamic response to changes in load or input voltage, enhancing its performance in dynamic applications.
6. Package Options: It comes in a small SOT-23 package, which is ideal for space-constrained designs.
7. Applications: Commonly used in power supplies, voltage monitoring, and regulation in various electronic devices.
These features make the TL431AIDBZR a versatile component for designing stable and efficient voltage reference circuits.

Package

The TL431AIDBZR is a programmable shunt voltage reference in a SOT-23 package. It provides a stable reference voltage and is commonly used for voltage regulation in electronic circuits. The compact SOT-23 package makes it suitable for space-constrained applications.

Pinout

The TL431AIDBZR is a three-terminal adjustable shunt regulator. It is commonly used in precision voltage reference and regulation applications. The device typically comes in a SOT-23 package, which has three pins.
1. Pin 1 (Reference or REF): This pin is used to set the reference voltage. By connecting this pin to a resistor network, users can adjust the output voltage to the desired level.
2. Pin 2 (Cathode or K): This is the cathode terminal, which acts as the output of the device. It is connected to the load and determines the output voltage based on the reference set by Pin 1.
3. Pin 3 (Anode or A): This is the anode terminal, which typically connects to the ground in shunt regulator configurations.
The TL431AIDBZR can be used for various applications such as linear regulators, switching power supplies, and over-voltage protection. It provides a stable voltage reference with adjustable output, ensuring precise regulation in electronic circuits.

Manufacturer

The TL431AIDBZR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for its development of analog chips and embedded processors, which are widely used in electronics across industries, including automotive, industrial, personal electronics, and communications equipment.

Application

The TL431AIDBZR is a programmable precision voltage reference commonly used in applications such as power supply regulation, adjustable voltage and current sources, and precision shunt regulators. It can also be found in secondary side regulation of flyback converters, voltage monitoring, and overvoltage protection circuits. Its versatility in feedback control systems makes it suitable for use in various electronic devices, including chargers, LED drivers, and general-purpose voltage regulation.

Equivalent

The TL431AIDBZR is a programmable precision reference chip. Equivalent products include:
1. LM431: A similar adjustable precision shunt regulator.
2. KA431: Another functional equivalent with similar characteristics.
3. AZ431: An adjustable precision shunt regulator, often interchangeable.
4. AS431: Offers comparable performance and is widely used as a substitute.
5. TLV431: A lower voltage version, but functionally similar in many applications.
Always check the datasheets for specific characteristics and tolerances to ensure compatibility.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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