TLV431BIDBZR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±0.5% - Low Dynamic Output Impedance: 0.22Ω - Wide Operating Current Range: 1µA to 100mA - Low Temperature Coefficient: 50ppm/°C

Package: SOT-23 (3-Lead)

Essence: The TLV431BIDBZR is a precision shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The TLV431BIDBZR is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Reference Voltage: Adjustable from 1.24V to 6V
• Operating Current Range: 1µA to 100mA
• Temperature Range: -40°C to +125°C
• Line Regulation: 0.2%/V
• Load Regulation: 0.4%/mA
• Dropout Voltage: 0.6V (typical)
• Maximum Cathode Current: 150mA

Detailed Pin Configuration

The TLV431BIDBZR has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (C): Provides the regulated output voltage.
3. Reference (R): Connects to an external resistor for adjusting the output voltage.

Functional Features

• Precision Voltage Reference: The TLV431BIDBZR provides a highly accurate and stable reference voltage, making it suitable for applications requiring precise voltage regulation.
• Adjustable Output Voltage: By connecting an external resistor between the reference pin and cathode, the output voltage can be adjusted within a specified range.
• Low Output Voltage Tolerance: The device offers a low output voltage tolerance of ±0.5%, ensuring consistent and reliable performance.
• Low Dynamic Output Impedance: With a dynamic output impedance of 0.22Ω, the TLV431BIDBZR maintains stable voltage regulation even under varying load conditions.

Advantages

• High precision and stability in voltage regulation.
• Adjustable output voltage allows flexibility in circuit design.
• Low output voltage tolerance ensures accurate performance.
• Wide operating current range caters to various application requirements.
• Compact SOT-23 package enables space-saving designs.

Disadvantages

• Dropout voltage of 0.6V may limit its use in low-power applications with tight power supply margins.
• Limited maximum cathode current of 150mA may restrict usage in high-current applications.

Working Principles

The TLV431BIDBZR operates as a shunt regulator, maintaining a constant voltage between the cathode and reference pins. By adjusting the external resistor connected to the reference pin, the desired output voltage can be set. The TLV431BIDBZR compares the reference voltage with the feedback voltage and adjusts the current flowing through it to maintain a stable output voltage.

Detailed Application Field Plans

The TLV431BIDBZR finds applications in various fields, including:

1. Voltage Regulation: It is commonly used as a voltage reference in power supplies, battery chargers, and voltage regulators to ensure accurate and stable output voltages.
2. Precision Measurement Instruments: The TLV431BIDBZR is suitable for use in multimeters, data acquisition systems, and other measurement instruments that require precise voltage references.
3. Audio Amplifiers: It can be employed in audio amplifiers to provide a stable bias voltage for improved audio quality.
4. Automotive Electronics: The TLV431BIDBZR is used in automotive applications such as engine control units, lighting systems, and sensor circuits to maintain accurate voltage levels.

Detailed and Complete Alternative Models

1. TL431BQDBZR
2. TL431ACDBZR
3. TL431AIDBZR
4. TL431BIDBZRG4
5. TL431BQDBZRG4

These alternative models offer similar functionality and characteristics to the TLV431BIDBZR, providing options for different design requirements.

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