TL431BQDBZR

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TL431BQDBZR

IC VREF SHUNT ADJ 0.5% SOT23-3

  • Manufacturer
  • Mfr. Part #TL431BQDBZR
  • Package SOT-23 (DBZ)-3
  • Datasheet
  • In Stock3864

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Specifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 2.495V
Voltage-Output(Max) 36 V
Current-Output 100 mA
Tolerance ±0.5%
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 TL431BQDBZR is a precision programmable voltage reference produced by Texas Instruments. It serves as a versatile shunt regulator, capable of maintaining a stable output voltage over a broad range of input voltages. This component is commonly used in various applications, such as power supplies, battery management systems, and data acquisition systems, due to its ability to provide a stable reference voltage.
Key features of the TL431BQDBZR include a wide operating voltage range (2.5V to 36V), tight voltage tolerance, and low temperature coefficient, ensuring high accuracy and reliability. It also offers a programmable output voltage, adjustable through two external resistors, allowing customization for specific circuit requirements.
The device is available in a SOT-23 package, making it suitable for space-constrained designs. Its low output impedance and fast turn-on characteristics make it ideal for dynamic loads. Additionally, the TL431BQDBZR has built-in thermal stability and low noise characteristics, enhancing overall system performance.
Overall, this component is valued for its precision, flexibility, and robustness in maintaining a stable voltage reference across various electronic applications.

Features

The TL431BQDBZR is a precision programmable voltage reference from Texas Instruments. Key features include:
1. Programmable Output Voltage: It can be adjusted to any value from 2.5V to 36V using two external resistors.
2. High Precision: Offers 0.5% initial voltage tolerance which is ideal for precise applications.
3. Wide Operating Range: Functions with cathode current from 1 mA to 100 mA.
4. Low Output Noise: Ensures minimal interference in sensitive applications.
5. Wide Temperature Range: Operates between -40°C to 125°C, making it suitable for industrial environments.
6. Stability: Exhibits good temperature stability and low dynamic output impedance.
7. Package: Available in a SOT-23 package (DBZ), which is compact and suitable for space-constrained applications.
8. Applications: Commonly used in voltage monitoring, power supplies, and battery-operated devices.
The TL431BQDBZR is favored for its precision, stability, and versatility, making it an integral component in a wide range of electronic designs.

Package

The TL431BQDBZR is a precision programmable voltage reference from Texas Instruments, provided in a SOT-23-3 package type. This package is small, allowing for efficient use of board space in electronic circuits.

Pinout

The TL431BQDBZR is a three-terminal adjustable shunt regulator. It is commonly used as a precision voltage reference and voltage regulator. The device is available in various packages, but the specific package denoted by "DBZ" is a SOT-23 package.
Pin Count:
- 3 pins
Pin Functions:
1. Reference (REF): This pin is used to set the reference voltage. By connecting it to a resistor network, you can adjust the output voltage.
2. Anode (A): This pin is connected to the lower potential side of the circuit or ground in typical applications.
3. Cathode (K): This pin is connected to the higher potential side or output of the regulator and acts as the output for the regulated voltage.
The TL431BQDBZR can regulate output voltages from 2.495V to 36V with a typical reference voltage of 2.495V, making it versatile for various applications.

Manufacturer

The TL431BQDBZR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments is known for its innovation in electronics and contributions to various industries, including consumer electronics, automotive, industrial, and communications. The company focuses on developing technologies that enhance power efficiency, connectivity, and system performance.

Application

The TL431BQDBZR is a programmable precision reference used in various applications, including voltage regulation, switching power supplies, and overvoltage protection. It serves as a shunt regulator in linear and switch-mode power supplies, ensuring stable output voltage. Additionally, it's employed in data acquisition systems, precision current sources, and battery chargers. Its versatility makes it suitable for use in consumer electronics, industrial controls, and telecommunications equipment.

Equivalent

The TL431BQDBZR chip is a programmable shunt voltage reference. Equivalent products include:
1. LM431 series (e.g., LM431B, LM431C) by Texas Instruments
2. LMV431 series by Texas Instruments
3. TL431 series by ON Semiconductor
4. KA431 series by ON Semiconductor
5. AZ431 series by Diodes Incorporated
6. AS431 series by Diodes Incorporated
These equivalents offer similar voltage reference functionalities with variations in accuracy, temperature coefficient, and package options.

Shipping

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

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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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