TLV431BQDBVTE4

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage shunt regulator - Adjustable output voltage - High accuracy and stability - Low operating current - Wide operating temperature range

Package: SOT-23 (3-pin)

Essence: The TLV431BQDBVTE4 is a low voltage shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits to ensure accurate voltage levels.

Packaging/Quantity: The TLV431BQDBVTE4 is typically sold in reels, with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Operating Current: 60µA (typical)
• Temperature Range: -40°C to +125°C
• Output Current: 15mA (maximum)
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)

Pin Configuration

The TLV431BQDBVTE4 has three pins:

1. Anode (A): Connected to the input voltage.
2. Cathode (C): Connected to the ground or negative terminal.
3. Reference (R): Provides the stable reference voltage.

Functional Features

• Adjustable Output Voltage: The TLV431BQDBVTE4 allows users to set the desired output voltage within the specified range.
• High Accuracy and Stability: It provides a precise and stable reference voltage, ensuring consistent performance over time.
• Low Operating Current: With a low operating current, it minimizes power consumption in applications.
• Wide Operating Temperature Range: The TLV431BQDBVTE4 can operate reliably in extreme temperature conditions.

Advantages and Disadvantages

Advantages: - Easy to use and integrate into various circuits. - Provides a stable reference voltage for accurate measurements. - Low power consumption. - Wide operating temperature range allows for versatile applications.

Disadvantages: - Limited output current capability. - Requires external components for certain applications. - Not suitable for high voltage applications.

Working Principles

The TLV431BQDBVTE4 operates as a shunt regulator, maintaining a constant voltage between the reference pin (R) and the cathode (C). By adjusting the resistor divider network connected to the reference pin, the desired output voltage can be set. The TLV431BQDBVTE4 compares the reference voltage with the input voltage and adjusts the current flowing through it to maintain a stable output voltage.

Detailed Application Field Plans

The TLV431BQDBVTE4 finds applications in various fields, including:

1. Power Supply Regulation: It is used to regulate the output voltage of power supplies, ensuring stability and accuracy.
2. Battery Charging Systems: The TLV431BQDBVTE4 helps maintain a constant voltage during battery charging, preventing overcharging or undercharging.
3. Voltage Monitoring: It can be used to monitor voltage levels in electronic systems, triggering actions based on specific thresholds.
4. Audio Amplifiers: The TLV431BQDBVTE4 ensures a stable reference voltage for precise audio amplification.

Detailed and Complete Alternative Models

Some alternative models to the TLV431BQDBVTE4 include:

1. LM4040: A precision voltage reference with similar characteristics and adjustable output voltage.
2. LT1009: A low dropout voltage reference with high accuracy and stability.
3. MAX6126: An ultra-low noise voltage reference suitable for sensitive applications.

These alternative models offer similar functionality and can be considered based on specific requirements.

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