TL431AQDBZR

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TL431AQDBZR

+BOM

IC VREF SHUNT ADJ 1% SOT23-3

  • ManufacturerTexas Instruments

  • Mfr. Part #TL431AQDBZR

  • Package SOT-23 (DBZ)-3

  • In Stock6682

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Specifications

Attribute Value
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 ~ 125°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Overview

Description

The TL431AQDBZR is a precision adjustable shunt voltage regulator commonly used in electronic circuits for voltage regulation and reference purposes. Manufactured by Texas Instruments, it offers a wide operating voltage range and a stable reference voltage, making it suitable for various applications. The device features an adjustable output voltage that can be set using external resistor configurations.
Key specifications include a typical output voltage tolerance of 0.5%, low output noise, and a wide operating temperature range, enhancing its reliability in diverse environments. The TL431AQDBZR is housed in a small SOT-23 package, facilitating its use in compact designs. Its ability to maintain a constant voltage over a wide range of current makes it ideal for use in power supplies, battery chargers, and other precision voltage applications.
Overall, the TL431AQDBZR is valued for its precision, versatility, and ease of use, making it a popular choice among engineers and designers looking for reliable voltage reference solutions.

Equivalent

The TL431AQDBZR is a programmable precision reference. Equivalent products include the LM431, TL431, KA431, AZ431, and LMV431. These components have similar functionalities such as voltage reference and are used in applications like power supplies and switching regulators. Compatibility may vary based on specific parameters like voltage range, temperature stability, and package type, so it's essential to review the datasheets for precise matching.

Features

The TL431AQDBZR is a three-terminal adjustable shunt regulator with the following features:
1. Precision Voltage Reference: It offers a programmable output voltage from 2.5V to 36V with a typical output voltage tolerance of ±0.5%, making it suitable for precision applications.
2. Adjustable Output: The device allows the output voltage to be adjusted by using two external resistors, providing flexibility in circuit design.
3. Wide Operating Temperature Range: It operates effectively across a broad temperature range from -40°C to +125°C, ensuring reliability in various environmental conditions.
4. Low Output Impedance: It has a low output impedance of about 0.2Ω, which enhances its performance in controlling voltage regulation.
5. Current Capability: The TL431AQDBZR can sink a cathode current ranging from 1mA to 100mA, providing ample current handling for diverse applications.
6. Package: The device is available in a small SOT-23 package, which is suitable for space-constrained designs.
These features make the TL431AQDBZR ideal for use in power supplies, voltage monitoring, and adjustable voltage reference applications.

Pinout

The TL431AQDBZR is a precision programmable voltage reference with a three-terminal configuration. It typically comes in a SOT-23 package, which has 3 pins. These pins serve the following functions:
1. Reference (REF): This pin is used to set the reference voltage through an external resistor divider network.
2. Anode (A): This pin is connected to the ground or negative side of the load.
3. Cathode (K): This pin functions similarly to the output pin and is connected to the more positive side of the output.
The TL431AQDBZR can be used in various applications, including switching power supplies, adjustable power supplies, and voltage monitoring. It provides an adjustable output voltage that can be set from 2.5V to 36V, making it versatile for different circuits.

Manufacturer

The TL431AQDBZR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is based in Dallas, Texas, and is one of the largest and most well-known semiconductor companies globally. TI focuses primarily on developing analog chips and embedded processors, which are used in a wide range of electronic applications across industries such as automotive, consumer electronics, industrial, and communications. The TL431 series, including the TL431AQDBZR, is known for being a precision programmable reference, commonly used in power supply and voltage regulation applications.

Application

The TL431AQDBZR is a precision programmable shunt voltage reference commonly used in various applications. Its primary areas include power supply regulation, where it stabilizes output voltages in switching power supplies and linear regulators. It is also used in voltage monitoring and comparison circuits, ensuring precise voltage levels are maintained. Additionally, the TL431AQDBZR finds application in adjustable voltage reference circuits, battery chargers, and overvoltage protection circuits. Its ability to provide a stable reference voltage makes it ideal for use in various consumer electronics, industrial controls, and communication equipment, ensuring device reliability and performance consistency.

Package

The TL431AQDBZR is a precision adjustable shunt regulator available in a SOT-23 package type. The SOT-23 is a small, surface-mount package that is commonly used for compact electronic designs.