TL1431CLPRE3

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Precision, Adjustable Output
• Package: TO-92
• Essence: TL1431CLPRE3 is a voltage reference integrated circuit that provides a precise and adjustable output voltage.
• Packaging/Quantity: Available in reels of 2,500 units.

Specifications

• Reference Voltage Range: 2.5V to 36V
• Output Current: Up to 100mA
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Line Regulation: 0.2% (Typical)
• Load Regulation: 0.4% (Typical)

Pin Configuration

The TL1431CLPRE3 has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Provides the precise and adjustable output voltage.

Functional Features

• Precision Voltage Reference: The TL1431CLPRE3 offers a highly accurate reference voltage, making it suitable for applications requiring precise voltage regulation.
• Adjustable Output: The output voltage can be easily adjusted using external resistors, allowing flexibility in various applications.
• Low Power Consumption: The integrated circuit operates with low power consumption, making it suitable for battery-powered devices.
• Short-Circuit Protection: The TL1431CLPRE3 includes built-in short-circuit protection, ensuring the safety of the circuit and preventing damage in case of a fault.

Advantages and Disadvantages

Advantages: - High precision and stability - Adjustable output voltage - Low power consumption - Short-circuit protection

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external resistors for voltage adjustment

Working Principles

The TL1431CLPRE3 is based on the principle of a shunt regulator. It compares the reference voltage at the Reference pin with the voltage across a voltage divider formed by external resistors. By adjusting the resistance values, the desired output voltage can be obtained. The TL1431CLPRE3 regulates the voltage between the Anode and Cathode pins to match the reference voltage.

Application Field Plans

The TL1431CLPRE3 finds applications in various fields, including:

1. Power Supplies: It can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Chargers: The TL1431CLPRE3 can be employed in battery charger circuits to regulate the charging voltage and protect the batteries from overcharging.
3. Audio Amplifiers: It can be utilized in audio amplifier circuits to provide precise biasing voltages for optimal performance.
4. Instrumentation: The TL1431CLPRE3 is suitable for precision measurement instruments that require accurate voltage references.

Alternative Models

• LM431
• TL431
• REF02
• LT1236

These alternative models offer similar functionality and can be used as substitutes for the TL1431CLPRE3 in various applications.

In conclusion, the TL1431CLPRE3 is a precision voltage reference integrated circuit with adjustable output voltage. It offers high accuracy, low power consumption, and built-in short-circuit protection. With its versatile applications and availability of alternative models, it is widely used in power supplies, battery chargers, audio amplifiers, and instrumentation systems.