TLVH431ILPR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage shunt regulator - Adjustable output voltage - High accuracy and stability - Low quiescent current - Wide operating temperature range

Package: SOP-8 (Small Outline Package)

Essence: The TLVH431ILPR is a voltage reference IC used for regulating voltages in various electronic circuits. It provides a stable and accurate output voltage, making it suitable for applications requiring precise voltage references.

Packaging/Quantity: The TLVH431ILPR is typically sold in reels containing 2500 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Output Current: Up to 100mA
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: -0.3V to 18V
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLVH431ILPR has eight pins arranged as follows:

```

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| | --| Vref GND|-- --| Anode Cathode|-- --| Vout NC |-- |___________| ```

1. Vref: Reference voltage output
2. Anode: Anode terminal of the internal diode
3. Cathode: Cathode terminal of the internal diode
4. Vout: Output voltage
5. NC: No connection (unused pin)
6. GND: Ground

Functional Features

• Adjustable Output Voltage: The TLVH431ILPR allows the user to set the desired output voltage within the specified range.
• High Accuracy and Stability: It provides a highly accurate and stable reference voltage, ensuring precise voltage regulation.
• Low Quiescent Current: The IC consumes very low current when in standby mode, minimizing power consumption.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Low power consumption - Wide operating temperature range - Adjustable output voltage

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external components for proper operation

Working Principles

The TLVH431ILPR is based on the principle of a shunt regulator. It uses a precision reference voltage and an internal amplifier to compare the input voltage with the reference voltage. By adjusting the resistance connected to the Anode terminal, the output voltage can be set to the desired value. The internal amplifier drives the Cathode terminal to maintain a constant voltage across the load.

Detailed Application Field Plans

The TLVH431ILPR finds applications in various electronic circuits where precise voltage references are required. Some common application areas include:

1. Power Supply Regulation: It can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Charging Systems: The IC can be employed in battery charging circuits to regulate the charging voltage and prevent overcharging.
3. Sensor Interfaces: It is suitable for sensor interface circuits that require precise voltage references for accurate measurements.
4. Audio Amplifiers: The TLVH431ILPR can be utilized in audio amplifier circuits to provide a stable bias voltage for improved audio quality.

Detailed and Complete Alternative Models

1. TL431CLP: Similar voltage reference IC with adjustable output voltage and SOP-8 package.
2. TL431BQDBZR: Voltage reference IC with fixed output voltage and SOT-23 package.
3. LM4040AIM3-2.5/NOPB: Precision shunt regulator with fixed 2.5V output voltage and SOT-23 package.

These alternative models offer similar functionality and can be considered as substitutes for the TLVH431ILPR in various applications.

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