TLV431BQDBZR

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TLV431BQDBZR

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IC VREF SHUNT ADJ 0.5% SOT23-3

  • FabricanteTexas Instruments

  • Peça do Fabricante #TLV431BQDBZR

  • Pacote SOT-23-3

  • Em Estoque4079

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Especificações

Atributo Valor
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 -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Visão Geral

Description

The TLV431BQDBZR is a precision programmable shunt voltage reference from Texas Instruments. It offers a wide operating voltage range from 2.5V to 36V, making it suitable for various applications. The component provides an adjustable output voltage that can be set using two external resistors. It features a low typical output tolerance of ±0.5% at 25°C, ensuring high accuracy and stability.
The TLV431BQDBZR is available in the SOT-23 package, which is compact and suitable for space-constrained applications. It has a low temperature coefficient, enhancing performance across a broad temperature range. This device is commonly used in voltage monitoring, power supply regulation, and data acquisition systems.
Key features include low dynamic impedance, good thermal stability, and low output noise. It is designed to replace Zener diodes in many applications, offering better performance and reliability. Overall, the TLV431BQDBZR is valued for its precision, versatility, and efficiency in voltage reference applications.

Equivalent

The TLV431BQDBZR is a precision adjustable shunt regulator. Equivalent products include:
1. LM431 - Commonly used in similar applications.
2. TL431 - A widely recognized alternative with similar functionality.
3. KA431 - Offers similar performance characteristics.
4. ZXRE330 - Another equivalent with comparable specifications.
Always check the datasheets to ensure compatibility with your specific application requirements, particularly regarding voltage, current, and temperature ratings.

Features

The TLV431BQDBZR is a precision programmable shunt voltage reference featuring excellent temperature stability and output voltage tolerance. Key features include:
1. Adjustable Output Voltage: It allows for an output voltage range of 2.5V to 36V by using two external resistors.

2. Precision: The device offers a tight voltage tolerance with an accuracy of ±1% at 25°C, ensuring reliable performance in critical applications.
3. Temperature Stability: It maintains stable performance across a wide temperature range from -40°C to 125°C.
4. Low Output Impedance: The TLV431BQDBZR has a low output impedance of approximately 0.2Ω, which is beneficial for load regulation.
5. Package Type: It is available in a compact SOT-23 package, making it suitable for space-constrained designs.
6. Low Cathode Current: The device operates with a low minimum cathode current of about 80 μA, enhancing efficiency.
These features make the TLV431BQDBZR ideal for use in various applications, including power supplies, voltage monitoring, and adjustable voltage references.

Pinout

The TLV431BQDBZR is a precision programmable shunt voltage reference, often used for voltage regulation in power supply applications. It typically comes in a SOT-23 package and features the following pin count and functions:
1. Pin Count: It has 3 pins.

2. Pin Functions:
- Cathode (K): This pin serves as the shunt regulator output and is connected to the cathode of the internal reference diode.
- Anode (A): This pin is the ground or reference point for the device, often connected to the negative side of the circuit.
- Reference (R): This pin allows the user to set the desired output voltage through an external resistor network. By adjusting the voltage on this pin, the output voltage can be programmed.
The TLV431BQDBZR is valued for its low voltage operation, precise voltage regulation, and small form factor, making it suitable for various precision electronics applications.

Manufacturer

The TLV431BQDBZR is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is particularly known for its development of analog chips and embedded processors, which are used in a wide range of electronic applications. Founded in 1930 and headquartered in Dallas, Texas, the company has a long history of innovation in electronics and has significant operations worldwide.

Application

The TLV431BQDBZR is a precision adjustable shunt voltage reference commonly used in applications requiring precise voltage regulation and reference. Its application areas include:
1. Voltage Regulation: Ensures stable voltage levels in power supplies and converters.
2. Precision Current Sources: Used in circuits that need stable and accurate current outputs.
3. Voltage Monitoring: Provides a reference for monitoring and controlling voltage levels.
4. Analog-to-Digital Converters (ADCs): Acts as a reference in ADCs for better accuracy.
5. Battery Chargers: Regulates voltage levels in battery charging circuits.
6. Instrumentation: Provides precise references in measurement and instrumentation systems.
Its low power consumption and adjustable voltage make it versatile across these applications.

Package

The TLV431BQDBZR is available in a SOT-23-3 package.

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