TLVH431AQPKG3

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: High Precision, Low Dropout Voltage, Adjustable Output
• Package: AQPKG3
• Essence: TLVH431AQPKG3 is a voltage reference integrated circuit that provides a highly accurate and stable output voltage.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Dropout Voltage: 0.6V (typical)

Pin Configuration

The TLVH431AQPKG3 has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the load or the negative terminal of the power supply.
3. Reference (R): Provides the adjustable output voltage.

Functional Features

• High Precision: The TLVH431AQPKG3 offers a high level of accuracy in providing a stable reference voltage.
• Low Dropout Voltage: With a dropout voltage as low as 0.6V, it can operate efficiently even when the input voltage is close to the output voltage.
• Adjustable Output: The reference pin allows for easy adjustment of the output voltage according to the application requirements.

Advantages and Disadvantages

Advantages

• High precision and stability in providing reference voltage.
• Low dropout voltage enables efficient operation.
• Adjustable output voltage for flexibility in various applications.
• Compact AQPKG3 package for space-saving designs.

Disadvantages

• Limited output current capability (up to 100mA).
• Requires external components for proper operation.

Working Principles

The TLVH431AQPKG3 is based on the principle of a shunt voltage reference. It uses a precision bandgap core that generates a stable reference voltage. By adjusting the voltage at the reference pin, the output voltage can be set to the desired value. The device compares the reference voltage with the input voltage and regulates the output accordingly.

Detailed Application Field Plans

The TLVH431AQPKG3 finds applications in various fields, including:

1. Power Supplies: It is commonly used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Management Systems: The TLVH431AQPKG3 can be utilized in battery management systems to provide precise voltage references for charging and discharging processes.
3. Automotive Electronics: It is suitable for automotive applications such as engine control units, lighting systems, and sensor interfaces, where accurate voltage references are crucial.
4. Industrial Control Systems: The TLVH431AQPKG3 can be employed in industrial control systems to maintain precise voltage levels for sensors, actuators, and other critical components.

Detailed and Complete Alternative Models

1. TLVH431BQDBZR: SOT-23 package, adjustable output voltage, low dropout voltage.
2. TL431ACLPR: TO-92 package, adjustable output voltage, high precision.
3. TL431AIDBZT: SOT-23 package, adjustable output voltage, low quiescent current.

These alternative models offer similar functionality and characteristics to the TLVH431AQPKG3, providing options for different package types and specific requirements.

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