TLV431BCDBZR

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TLV431BCDBZR

+Nomenclature

IC VREF SHUNT ADJ 0.5% SOT23-3

  • FabricantTexas Instruments

  • Pièce fabricant #TLV431BCDBZR

  • Package SOT-23-3

  • En stock1804

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
ReferenceType Shunt
OutputType Adjustable
Voltage-Output(Min/Fixed) 1.24V
Voltage-Output(Max) 6 V
Current-Output 15 mA
Tolerance ±0.5%
Current-Cathode 100 µA
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Présentation

Description

The TLV431BCDBZR is a precision adjustable shunt voltage reference device manufactured by Texas Instruments. It operates similarly to a zener diode but offers better stability and precision for voltage regulation applications. This device is often used in feedback circuits for power supplies and provides a stable reference voltage for analog-to-digital converters, voltage monitoring systems, and adjustable power supplies.
The TLV431BCDBZR is available in a surface-mount SOT-23 package and features a reference voltage of 1.24V with an adjustable range up to 18V, making it versatile for various applications. It offers low temperature coefficient and low dynamic impedance, ensuring minimal variation over temperature and load changes. The device operates over a wide temperature range and supports low cathode current operations, which makes it suitable for battery-powered applications. Its compact size and high precision make the TLV431BCDBZR an ideal choice for space-constrained designs requiring reliable voltage regulation.

Equivalent

The TLV431BCDBZR is a low-voltage adjustable precision shunt regulator. Equivalent products include:
1. LM431 - Texas Instruments
2. TL431 - On Semiconductor
3. AS431 - Diodes Incorporated
4. KA431 - Fairchild Semiconductor
5. AZ431 - BCD Semiconductor
These equivalents share similar functionality, offering adjustable voltage regulation with comparable voltage reference and performance characteristics. Always check the datasheet for detailed specifications to ensure compatibility.

Features

The TLV431BCDBZR is a precision programmable shunt voltage reference with the following key features:
1. Adjustable Output Voltage: It can be adjusted from 2.495V to 36V, enabling flexibility in a wide range of applications.

2. Precision: It offers a tight voltage tolerance, typically ±0.5%, which enhances accuracy in voltage regulation.
3. Low Temperature Coefficient: This ensures stable performance over a wide temperature range, making it suitable for varied environmental conditions.
4. Sink Current Capability: It supports a sink current range from 1 mA to 100 mA, providing versatility in current regulation tasks.
5. Small Package: The device is available in compact SOT-23 and other small footprint packages, ideal for space-constrained applications.
6. Wide Operating Temperature Range: It operates effectively from -40°C to 125°C, which is suitable for industrial and consumer electronics.
7. Applications: Commonly used in voltage monitoring, voltage regulator modules, and adjustable power supplies.
These features make the TLV431BCDBZR suitable for applications requiring precise voltage regulation and flexibility.

Pinout

The TLV431BCDBZR is a precision adjustable shunt regulator. It typically comes in a SOT-23 package, which has a 3-pin configuration. Here are the functions of the pins:
1. Anode (A): This pin is the input where the current flows into the device. It is connected to the more negative side of the voltage to be regulated.
2. Cathode (K): This pin is the output where the regulated voltage is maintained. It is typically connected to the ground or a negative voltage rail in the circuit.
3. Reference (R): This pin is connected to the internal voltage reference. It is used to set the desired output voltage by connecting it to a resistive divider.
The TLV431 is used in voltage regulation, precision current limiting, and adjustable power supply applications, thanks to its accurate voltage reference and adjustable output voltage capabilities.

Manufacturer

The TLV431BCDBZR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. They are one of the largest semiconductor companies in the world, focusing on developing analog chips and embedded processors that are essential components in a wide range of electronic devices, including those in consumer electronics, automotive, industrial, and communications sectors. TI is known for its innovation in analog technology, power management, and signal processing.

Application

The TLV431BCDBZR is a precision adjustable shunt voltage regulator commonly used in applications such as power supply regulation, voltage monitoring, and precision current limiting. It can be employed in battery-powered devices for efficient power management, as well as in feedback circuits for DC-DC converters and switch-mode power supplies to enhance output stability. Additionally, it is used in overvoltage protection circuits and as a reference voltage source in various electronic designs. Its wide operating voltage range and adjustable precision make it versatile for both consumer electronics and industrial applications.

Package

The TLV431BCDBZR is a programmable precision reference with a SOT-23-3 package type.

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