TLVH431AIPKG3

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low-voltage adjustable precision shunt regulator
• Package: TO-92 package
• Essence: Precision voltage reference with adjustable output
• Packaging/Quantity: 1000 units per reel

Specifications

• Reference Voltage Range: 1.24V to 6V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical
• Temperature Stability: 50ppm/°C typical
• Quiescent Current: 60µA typical

Detailed Pin Configuration

The TLVH431AIPKG3 has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the load or ground.
3. Adjust (ADJ): Used to set the desired output voltage.

Functional Features

• Provides a stable and precise voltage reference.
• Adjustable output voltage allows for flexibility in various applications.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range enables usage in extreme conditions.
• High accuracy and low temperature coefficient ensure reliable performance.

Advantages

• Easy to use and integrate into electronic circuits.
• Offers a wide range of adjustable output voltages.
• Provides excellent line and load regulation.
• Low power consumption makes it suitable for battery-powered devices.
• Compact TO-92 package allows for space-efficient designs.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• Requires an external resistor for voltage adjustment.
• Not suitable for applications requiring high precision or ultra-low noise.

Working Principles

The TLVH431AIPKG3 is a shunt regulator that maintains a stable output voltage by comparing the reference voltage with the voltage across an external resistor connected to the ADJ pin. It adjusts the current flowing through the shunt resistor to maintain a constant voltage drop, thus regulating the output voltage.

Detailed Application Field Plans

The TLVH431AIPKG3 is commonly used in various electronic systems and applications, including:

1. Voltage regulators in power supplies and battery chargers.
2. Precision measurement instruments.
3. Audio amplifiers and preamplifiers.
4. Industrial control systems.
5. Automotive electronics.
6. LED lighting applications.
7. Portable devices such as smartphones and tablets.

Detailed and Complete Alternative Models

1. TL431ACP: Similar specifications and package, but with a different pin configuration (TO-92).
2. TL431BQDBZR: SMD package (SOT-23) alternative with similar characteristics.
3. TL431IDBVR: SMD package (SOT-23) alternative with improved temperature stability.

These alternative models provide similar functionality and can be used as substitutes based on specific design requirements.

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