TL431CDBZR

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TL431CDBZR

IC VREF SHUNT ADJ 2.2% SOT23-3

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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 ±2.2%
Current-Cathode 1 mA
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Overview

Description

The TL431CDBZR is a widely used precision programmable shunt voltage reference manufactured by Texas Instruments. It is a three-terminal device that can be used to establish an accurate voltage reference in a variety of electronic applications. The device operates as an adjustable zener diode, allowing for a reference voltage that can be set between 2.5V and 36V through external resistors.
Key features of the TL431CDBZR include a low output voltage tolerance of typically 0.5%, low output noise, and a wide operating temperature range from -40°C to 125°C. It also offers fast response time, making it suitable for use in feedback and control systems. This component is commonly used in power supplies, voltage monitoring, and data acquisition systems due to its precision and reliability.
The TL431CDBZR comes in a small SOT-23 package, making it suitable for compact circuit board designs. Its versatility and robustness make it a popular choice for designers requiring stable and adjustable voltage references.

Features

The TL431CDBZR is a three-terminal adjustable shunt regulator with several key features. It provides a precise voltage reference with an output voltage range of 2.5V to 36V, making it versatile for various applications. The device ensures a tight tolerance of 0.5% at 25°C, improving accuracy in voltage regulation tasks.
It offers a wide operational range with a cathode current from 1 mA to 100 mA. This feature allows it to cater to different load requirements while maintaining stability. The TL431CDBZR also includes a temperature-compensated voltage reference, enhancing performance consistency over a broad temperature range.
The device comes in a SOT-23 package, which is compact and suitable for space-constrained designs. Additionally, it has a low dynamic output impedance, which helps in reducing output noise and improving transient response.
These characteristics make the TL431CDBZR ideal for use in precision current limiting, voltage monitoring, and temperature control systems, among other applications requiring stable voltage regulation.

Package

The TL431CDBZR is a precision programmable voltage reference with an adjustable output voltage. It is available in a SOT-23 package type, which is a small outline transistor package commonly used for surface-mount technology in electronics.

Pinout

The TL431CDBZR is a three-terminal adjustable shunt regulator. It typically comes in a SOT-23 package, which is a small form factor with three pins. The primary function of the TL431CDBZR is to provide a stable reference voltage, which can be adjusted by using external resistors. This component is often used in voltage regulation applications, such as switching power supplies, chargers, and other electronic circuits requiring a precise voltage reference.
The pin configuration for the SOT-23 package is as follows:
1. Reference (R): This pin receives the input voltage to set the reference voltage level.
2. Anode (A): Typically connected to the ground in the circuit.
3. Cathode (K): Connects to the output voltage and regulates the current flow based on the reference voltage.
The TL431CDBZR can handle a cathode voltage range from 2.5 V to 36 V, and it operates effectively over a wide range of temperatures, making it versatile for various applications.

Manufacturer

The TL431CDBZR is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. They are a leading producer in the electronics industry, providing a wide range of products including analog chips, digital signal processors, and microcontrollers. Texas Instruments serves diverse markets such as automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation and significant contributions to advancing technology in various sectors.

Application

The TL431CDBZR is a precision adjustable shunt regulator used in applications requiring voltage reference and regulation. Key application areas include power supply regulation, adjustable voltage and current regulation, switching power supplies, and precision current limiting. It is commonly used in battery chargers, DC-DC converters, and as a reference in analog-to-digital converters (ADCs). Its versatility and precision make it suitable for use in consumer electronics, industrial controls, and telecommunications equipment.

Equivalent

The TL431CDBZR is a precision programmable shunt voltage reference. Equivalent products include:
1. LM431 by Texas Instruments
2. KA431 by ON Semiconductor
3. TLV431 by Texas Instruments
4. AZ431 by Diodes Incorporated
5. AS431 by Diotec
6. LMV431 by Texas Instruments
These devices have similar functionality and can generally be used interchangeably in circuits, provided the electrical specifications and pin configurations match your requirements. Always check the datasheets 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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