TL431BCDBVR

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TL431BCDBVR

+Nomenclature

IC VREF SHUNT ADJ 0.5% SOT23-5

  • FabricantTexas Instruments

  • Pièce fabricant #TL431BCDBVR

  • Package SOT-23-5

  • En stock4910

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Voltage - Output (Max) 36 V
Current - Output 100 mA
Tolerance ±0.5%
Current - Cathode 600 µA
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount

Présentation

Description

The TL431BCDBVR is a precision programmable voltage reference from Texas Instruments. It functions as a shunt regulator, providing a stable reference voltage, which makes it ideal for use in various applications such as power supplies and voltage monitoring circuits. The TL431BCDBVR can be programmed to output a voltage range between 2.5V and 36V by using two external resistors. It offers a typical output voltage tolerance of 0.5%, ensuring high accuracy. The device operates effectively over a wide temperature range, enhancing its reliability in diverse environments.
This component is packaged in a space-efficient SOT-23-3 package, making it suitable for compact designs. Its low-temperature coefficient and fast response time to dynamic loads contribute to its performance in precision applications. The TL431BCDBVR is commonly used in power management, voltage regulation, and signal conditioning, offering designers flexibility and precision in their electronic circuits.

Equivalent

The TL431BCDBVR is a precision adjustable shunt regulator. Its equivalent products include the LM431, KA431, and AS431. These alternatives offer similar voltage reference and regulation capabilities. Always verify specific parameters and pin configurations to ensure compatibility with your application.

Features

The TL431BCDBVR is a precision programmable voltage reference commonly used in electronics for voltage regulation and control. Key features include:
1. Adjustable Output Voltage: The output voltage can be set anywhere between 2.5V and 36V, making it versatile for various applications.
2. High Precision: It offers excellent voltage reference accuracy with a typical tolerance of 0.5%.
3. Low Temperature Coefficient: Ensures stability over a wide temperature range, enhancing reliability in varying environmental conditions.
4. Wide Operating Current: It can operate with a cathode current range from 1 mA to 100 mA.
5. SOT-23 Package: The device is available in a small, space-saving SOT-23 package, suitable for compact designs.
6. Low Output Noise: Provides stable operation with minimal output voltage noise.
7. Wide Temperature Range: Operates between -40°C and 125°C, suitable for industrial applications.
These features make the TL431BCDBVR suitable for use in power supplies, voltage monitoring, and as a reference in analog-to-digital converters and other precision applications.

Pinout

The TL431BCDBVR is a three-pin adjustable precision shunt regulator. It is commonly available in a SOT-23 package. The pin functions are as follows:
1. Cathode (K): This is the negative terminal of the reference voltage and is connected to the anode through a current limiting resistor. It acts as the input for the current through the device.

2. Anode (A): This is the positive terminal and connects to the cathode through the load. It is used to apply an external voltage that needs to be regulated.
3. Reference (REF): This pin accepts a voltage input that sets the output voltage level. By adjusting the voltage at this pin, the output voltage of the shunt regulator can be precisely controlled.
The TL431 is widely used for voltage regulation and precision current limiting in power supply circuits. Its versatility in reference voltage makes it suitable for a range of applications.

Manufacturer

The TL431BCDBVR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company. It is one of the largest manufacturers of analog technology components, embedded processors, and other semiconductor solutions. Founded in 1930 and headquartered in Dallas, Texas, the company serves various sectors including consumer electronics, industrial, automotive, and communications. TI is known for its innovation in the electronics industry and plays a significant role in the development and production of integrated circuits that power a wide range of electronic devices.

Application

The TL431BCDBVR is a precision programmable voltage reference commonly used in applications such as voltage regulation, power supply, and battery charger circuits. It serves as a stable voltage reference in switching power supplies, linear regulators, and over-voltage protection circuits. Additionally, it's used for error amplifiers in control loops to improve output regulation. Its adjustable output voltage capability makes it versatile for integrating into various electronic systems requiring precise voltage control. The device finds widespread application in consumer electronics, automotive systems, and industrial equipment.

Package

The TL431BCDBVR is a voltage reference IC that comes in a SOT-23 package, which is a small outline transistor package with three pins. This package type is commonly used for surface-mount applications, providing a compact form factor suitable for modern electronic devices.

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