TLVH431QDBZT

Product Overview

Category

The TLVH431QDBZT belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low output voltage deviation
• Wide operating temperature range
• Low quiescent current consumption

Package

The TLVH431QDBZT is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a voltage reference, providing a stable and precise voltage output.

Packaging/Quantity

The TLVH431QDBZT is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Output Voltage Range: 1.24 V to 16 V
• Reference Voltage Tolerance: ±0.5%
• Quiescent Current: 60 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLVH431QDBZT has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (K): Connected to the load or ground.
3. Reference (REF): Provides the stable voltage output.

Functional Features

• Precise voltage regulation: The TLVH431QDBZT ensures a stable output voltage regardless of input variations.
• Adjustable output voltage: By connecting external resistors, the output voltage can be set to the desired value.
• Low power consumption: The low quiescent current makes it suitable for battery-powered applications.
• Short-circuit protection: The TLVH431QDBZT includes built-in protection against short-circuits, enhancing system reliability.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Wide operating temperature range allows for use in various environments.
• Small package size enables space-saving designs.
• Adjustable output voltage provides flexibility in circuit design.

Disadvantages

• Limited output voltage range may not be suitable for certain applications requiring higher voltages.
• Requires external resistors for precise voltage adjustment, adding complexity to the circuit design.

Working Principles

The TLVH431QDBZT operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with an internal voltage divider network. By adjusting the current flowing through the shunt resistor, it maintains a stable output voltage regardless of input variations.

Detailed Application Field Plans

The TLVH431QDBZT finds applications in various fields, including:

1. Power supply circuits: It ensures stable voltage regulation in power supplies, preventing damage to sensitive components.
2. Battery charging systems: The TLVH431QDBZT helps maintain a constant charging voltage, ensuring efficient and safe battery charging.
3. Voltage monitoring circuits: It can be used as a voltage reference for accurate measurement and monitoring of voltage levels.
4. Audio amplifiers: The TLVH431QDBZT provides a stable bias voltage for audio amplifier circuits, enhancing audio quality.

Detailed and Complete Alternative Models

1. TL431AQDBZR: Similar to TLVH431QDBZT, but with a different package (SOT-89).
2. TL431BIDBVR: Offers adjustable output voltage with a smaller SOT-23 package.
3. TL431CLP: Provides a wider operating temperature range (-55°C to +125°C) in a TO-92 package.

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

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