TL431AQDBVR

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TL431AQDBVR

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IC VREF SHUNT ADJ 1% SOT23-5

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規格

屬性 價值
Part Status Active
Reference Type Shunt
Output Type Adjustable
Voltage - Output (Min/Fixed) 2.495V
Current - Output 100 mA
Tolerance ±1%
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Base Product Number TL431
Current - Cathode 700 µA
Voltage - Output (Max) 36 V

概述

Description

The TL431AQDBVR is a precision adjustable shunt regulator commonly used in power management applications. It features a three-terminal design and offers a voltage reference accuracy of ±1%, making it suitable for various voltage regulation tasks. The device operates with an adjustable output voltage range from 2.5V to 36V, allowing flexibility in circuit design.
Key features include low output noise, wide temperature range, and high speed, making it ideal for applications like switching power supplies, battery chargers, and voltage reference circuits. The TL431 is often used in feedback loops to maintain stable output voltages, enhancing overall system performance.
In terms of packaging, the TL431AQDBVR comes in a compact SOT-23 format, allowing for efficient use of PCB space. Its ability to function in both linear and switching modes makes it versatile, catering to various electronic applications while ensuring reliability and efficiency.

Equivalent

The TL431AQDBVR is a precision voltage reference and adjustable shunt regulator. Equivalent products include the LM431, LM4041, and TLV431. Other compatible alternatives may be the MCP1501 and the ZXTR1005, depending on specific application requirements such as voltage tolerance and package type. Always verify specifications to ensure compatibility with your circuit design.

Features

The TL431AQDBVR is a precision programmable shunt voltage reference with the following key features:
1. Reference Voltage: Offers a fixed reference voltage of 2.5V, adjustable via external resistors.
2. Accuracy: High initial accuracy of ±0.5% and low temperature coefficient, ensuring stable performance across temperature variations.
3. Wide Operating Range: Can operate from 2.5V to 36V, making it versatile for various applications.
4. Low Output Impedance: Typical output impedance of 0.2Ω, allowing for stable voltage regulation.
5. Temperature Range: Rated for operation over a wide temperature range, typically from -40°C to +125°C.
6. Applications: Suitable for use in power supply circuits, battery management systems, and as a voltage reference in precision instrumentation.
7. Package: Available in a compact SOT-23 package, facilitating easy integration into designs.
These features make the TL431AQDBVR an ideal choice for applications requiring reliable voltage regulation and reference.

Pinout

The TL431AQDBVR is a programmable shunt voltage reference commonly used in various electronic applications. It has a total of 3 pins. The pin functions are as follows:
1. Ref (Reference): This pin provides a reference voltage output, typically set at 1.24V. It is used to compare against a feedback voltage in regulation applications.

2. Anode (A): The anode pin connects to the positive side of the load and is used to source current to the device.
3. Cathode (K): The cathode pin connects to the negative side or ground, allowing the device to shunt excess current and maintain a stable output voltage.
The TL431 operates within a voltage range of 2.5V to 36V and provides adjustable output voltage with a current sink capacity, making it suitable for voltage regulation, power supply circuits, and feedback control systems.

Manufacturer

The TL431AQDBVR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, particularly in the fields of analog and digital signal processing. Founded in 1930, TI has a diverse product portfolio that includes microcontrollers, processors, and various types of sensors.
The TL431 is a programmable shunt voltage reference widely used in power management applications, including voltage regulation and reference voltage generation. Texas Instruments is recognized for its innovation in the semiconductor industry and serves various markets, including automotive, industrial, communications, and consumer electronics. The company emphasizes research and development, contributing to its reputation for high-quality, reliable electronic components.

Application

The TL431AQDBVR is a programmable shunt voltage reference commonly used in various applications, including:
1. Power Supply Regulation: Serves as a feedback element in switching power supplies and linear regulators.
2. Voltage Reference: Provides a stable reference voltage for precision measurements.
3. Battery Management Systems: Monitors and regulates battery voltages.
4. Signal Conditioning: Used in circuits to maintain consistent signal levels.
5. LED Drivers: Regulates current in LED lighting applications.
6. Telecommunications: Ensures stable operation of communication circuits.
Its versatility and precision make it suitable for both consumer and industrial applications.

Package

The TL431AQDBVR is packaged in a SOT-23-3 (Small Outline Transistor) package type. This surface-mount package typically has three leads and is commonly used for voltage reference and error amplifier applications.

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