TLV431BLPRE

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Voltage Reference - Programmable Output Voltage - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Wide Operating Range

Package: SOT-23 (Small Outline Transistor 23)

Essence: The TLV431BLPRE is a precision shunt regulator that can be used as a voltage reference in various applications. It provides a stable output voltage and is commonly used to regulate voltage levels in electronic circuits.

Packaging/Quantity: The TLV431BLPRE is typically sold in reels or tubes, with a quantity of 3000 units per reel or 250 units per tube.

Specifications

Reference Voltage Range: 1.24V to 6V
Initial Accuracy: ±1%
Temperature Coefficient: 50ppm/°C
Dropout Voltage: 0.5V (typical)
Operating Temperature Range: -40°C to +85°C
Input Current: 80µA (typical)
Output Current: 100mA (maximum)

Detailed Pin Configuration

The TLV431BLPRE has three pins:

Anode (A): Connected to the input voltage.
Cathode (K): Connected to the ground or reference voltage.
Adjust (ADJ): Provides the adjustable output voltage.

Functional Features

Adjustable Output Voltage: The TLV431BLPRE allows users to set the desired output voltage within the specified range.
Programmable Output Voltage: By connecting external resistors, the output voltage can be programmed to a specific value.
Low Dropout Voltage: The device maintains regulation even when the input voltage is close to the output voltage.
High Accuracy: The TLV431BLPRE provides a highly accurate output voltage, ensuring precise regulation.
Low Temperature Coefficient: The device exhibits minimal changes in output voltage with temperature variations.
Wide Operating Range: It can operate within a wide range of input voltages.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Adjustable output voltage - Low dropout voltage - High accuracy - Wide operating range

Disadvantages: - Limited maximum output current (100mA) - Requires external resistors for programming the output voltage

Working Principles

The TLV431BLPRE operates as a shunt regulator. It compares the reference voltage (set by the user or default) with the input voltage. By adjusting the current flowing through the shunt resistor, it maintains a stable output voltage. The adjustable feature allows users to set the desired output voltage according to their application requirements.

Detailed Application Field Plans

The TLV431BLPRE is widely used in various applications, including:

Power Supplies: It is commonly used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
Battery Management Systems: The TLV431BLPRE helps regulate battery charging and discharging voltages in battery management systems.
Audio Amplifiers: It can be used as a voltage reference in audio amplifier circuits to maintain consistent audio signal levels.
Industrial Control Systems: The device finds applications in industrial control systems where precise voltage regulation is required.
Automotive Electronics: The TLV431BLPRE is used in automotive electronics for voltage monitoring and regulation purposes.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TLV431BLPRE are:

LM4040: Precision Micropower Shunt Voltage Reference
LT1236: Precision Reference
MAX6126: Ultra-High-Precision Voltage Reference
REF102: Precision Voltage Reference

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLV431BLPRE v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TLV431BLPRE in technical solutions:

Q: What is TLV431BLPRE? A: TLV431BLPRE is a precision adjustable shunt voltage reference that can be used in various technical applications.
Q: What is the purpose of TLV431BLPRE? A: TLV431BLPRE is primarily used as a voltage reference or regulator in electronic circuits to provide stable and accurate voltage levels.
Q: What is the voltage range of TLV431BLPRE? A: The voltage range of TLV431BLPRE is typically between 1.24V and 6V, which can be adjusted using external resistors.
Q: How does TLV431BLPRE work? A: TLV431BLPRE works by comparing the input voltage with an internal reference voltage and adjusting the current flowing through it to maintain a constant output voltage.
Q: Can TLV431BLPRE be used as a voltage regulator? A: Yes, TLV431BLPRE can be used as a voltage regulator by connecting it in parallel with the load and adjusting the reference voltage accordingly.
Q: What are the typical applications of TLV431BLPRE? A: TLV431BLPRE is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic circuits where precise voltage regulation is required.
Q: Is TLV431BLPRE suitable for low-power applications? A: Yes, TLV431BLPRE is designed for low-power applications and has a low quiescent current, making it energy-efficient.
Q: Can TLV431BLPRE handle high currents? A: TLV431BLPRE is not designed to handle high currents directly. It is typically used in conjunction with external transistors or power devices to handle higher current loads.
Q: What are the advantages of using TLV431BLPRE? A: Some advantages of TLV431BLPRE include its high accuracy, low temperature coefficient, low dropout voltage, and wide operating temperature range.
Q: Are there any precautions to consider when using TLV431BLPRE? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and following the manufacturer's guidelines for stability and reliability.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.