TLVH431ACDBVRE4

Product Overview

Category

TLVH431ACDBVRE4 belongs to the category of voltage references.

Use

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

Characteristics

• TLVH431ACDBVRE4 is a low-voltage, adjustable precision shunt regulator.
• It provides a stable reference voltage with high accuracy and low temperature coefficient.
• The device operates over a wide range of input voltages, making it suitable for a variety of applications.
• TLVH431ACDBVRE4 has a low dynamic output impedance, ensuring excellent load regulation.
• It offers a wide operating current range, allowing flexibility in different circuit designs.

Package

TLVH431ACDBVRE4 is available in a small SOT-23 package, which is compact and easy to integrate into circuit boards.

Essence

The essence of TLVH431ACDBVRE4 lies in its ability to provide a precise and stable reference voltage, ensuring reliable operation of electronic circuits.

Packaging/Quantity

TLVH431ACDBVRE4 is typically packaged in reels, with 3000 units per reel.

Specifications

• Reference Voltage: Adjustable from 1.24V to 16V
• Operating Current Range: 100µA to 100mA
• Temperature Coefficient: ±50ppm/°C
• Output Voltage Tolerance: ±1%
• Input Voltage Range: 2.5V to 16V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

TLVH431ACDBVRE4 has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the ground or negative terminal of the power supply.
3. Reference (REF): Provides the stable reference voltage.

Functional Features

• TLVH431ACDBVRE4 acts as a precision shunt regulator, maintaining a constant voltage across the REF pin.
• It can be used to regulate the output voltage of a circuit or as a voltage reference for other components.
• The device has built-in protection features such as overcurrent and thermal shutdown, ensuring safe operation.

Advantages and Disadvantages

Advantages

• High accuracy and stability in providing reference voltage.
• Wide operating current range allows flexibility in circuit design.
• Compact package size enables easy integration into electronic systems.
• Built-in protection features enhance reliability.

Disadvantages

• Limited output current capability compared to other voltage regulators.
• Requires an external resistor for precise voltage adjustment.

Working Principles

TLVH431ACDBVRE4 operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with the voltage across the external resistor connected between the Anode and Cathode pins. By adjusting the current flowing through the shunt resistor, the device maintains a constant voltage at the REF pin.

Detailed Application Field Plans

TLVH431ACDBVRE4 finds applications in various fields, including:

1. Power Supply Regulation: It can be used to stabilize the output voltage of power supplies, ensuring consistent performance of electronic devices.
2. Battery Charging Systems: TLVH431ACDBVRE4 can be employed in battery charging circuits to maintain a precise charging voltage.
3. Voltage References: It serves as a reliable voltage reference for analog-to-digital converters, sensors, and other precision measurement systems.
4. Audio Amplifiers: TLVH431ACDBVRE4 helps in maintaining a stable bias voltage for audio amplifiers, improving their performance.

Detailed and Complete Alternative Models

Some alternative models to TLVH431ACDBVRE4 include:

1. TL431: A widely used adjustable precision shunt regulator with similar characteristics.
2. LM4040: A series of precision voltage references available in different voltage options.
3. LT1236: A high-precision, low-drift voltage reference suitable for demanding applications.

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

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