TLV431AIDBVT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Deviation Over Temperature - Low Dynamic Output Impedance - Wide Operating Current Range - High Initial Accuracy

Package: SOT-23 (DBV)

Essence: The TLV431AIDBVT is a precision shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits to maintain a constant voltage level.

Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Reference Voltage: 1.24 V
• Operating Current Range: 60 µA to 100 mA
• Initial Accuracy: ±1%
• Temperature Coefficient: 50 ppm/°C
• Output Voltage Deviation Over Temperature: ±0.5%
• Dynamic Output Impedance: 0.25 Ω

Pin Configuration

The TLV431AIDBVT has three pins:

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

Functional Features

• Adjustable Output Voltage: The TLV431AIDBVT allows users to adjust the output voltage according to their requirements.
• Stable Reference Voltage: It provides a stable reference voltage of 1.24 V, ensuring consistent performance in various applications.
• Low Output Voltage Deviation: The device maintains low output voltage deviation over temperature changes, enhancing its reliability.
• Wide Operating Current Range: It can operate within a wide current range of 60 µA to 100 mA, making it suitable for different circuit designs.
• High Initial Accuracy: The TLV431AIDBVT offers high initial accuracy of ±1%, ensuring precise voltage regulation.

Advantages and Disadvantages

Advantages: - Adjustable output voltage allows flexibility in circuit design. - Stable reference voltage ensures consistent performance. - Low output voltage deviation enhances reliability. - Wide operating current range provides versatility. - High initial accuracy ensures precise voltage regulation.

Disadvantages: - Limited to a maximum output voltage of 6 V. - Requires external components for certain applications.

Working Principles

The TLV431AIDBVT operates as a shunt regulator, maintaining a constant voltage level between the Anode (A) and Cathode (K) pins. The Adjust (ADJ) pin allows users to set the desired output voltage by connecting external resistors.

When the input voltage exceeds the reference voltage (1.24 V), the TLV431AIDBVT starts conducting current from the Anode to the Cathode, regulating the output voltage. This feedback mechanism ensures that the output voltage remains stable even with varying input voltages.

Detailed Application Field Plans

The TLV431AIDBVT is widely used in various electronic applications, including:

1. Voltage Regulation: It is commonly employed as a voltage reference in power supplies, battery chargers, and voltage regulators.
2. Amplifier Biasing: The TLV431AIDBVT can be used to bias amplifiers, ensuring stable and accurate operation.
3. Overvoltage Protection: It is utilized in circuits to protect sensitive components from overvoltage conditions.
4. Current Limiting: The device can be incorporated into circuits to limit the current flow, preventing damage to connected devices.

Detailed and Complete Alternative Models

Some alternative models to the TLV431AIDBVT include:

1. TL431AIDBZR: Similar characteristics and package, but available in a different reel quantity.
2. TLV431BIDBVT: Improved specifications and performance compared to the TLV431AIDBVT.
3. TLV431CDBZR: Lower initial accuracy but offers a wider operating temperature range.

These alternative models provide options for users based on their specific requirements and application needs.

Word count: 505 words