TL431BIDCKTE4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Adjustable, Precision, Shunt Regulator
• Package: DCK (SOT-23), Tape and Reel
• Essence: Programmable Precision Reference
• Packaging/Quantity: 3000 pieces per reel

Specifications

• Reference Voltage Range: 2.495V to 36V
• Output Current Range: 1mA to 100mA
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical
• Dropout Voltage: 1.5V typical at 10mA

Detailed Pin Configuration

The TL431BIDCKTE4 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. Reference (R): Provides the regulated output voltage.

Functional Features

• Programmable Output Voltage: The TL431BIDCKTE4 can be programmed to provide a precise output voltage within the specified range.
• Adjustable Output: The reference voltage can be adjusted using external resistors to obtain the desired output voltage.
• Low Power Consumption: The IC consumes very low power, making it suitable for battery-powered applications.
• High Accuracy: The TL431BIDCKTE4 offers high precision and stability over temperature and load variations.

Advantages and Disadvantages

Advantages: - Wide operating voltage range - High accuracy and stability - Low power consumption - Small package size - Easy to use and integrate into circuits

Disadvantages: - Requires external components for voltage adjustment - Limited output current capability

Working Principles

The TL431BIDCKTE4 is a shunt regulator that maintains a constant voltage across the load by diverting excess current through the reference pin. It compares the reference voltage with a fraction of the output voltage and adjusts the shunt current accordingly to maintain a stable output.

Detailed Application Field Plans

The TL431BIDCKTE4 is widely used in various applications, including: 1. Voltage References: Provides a stable reference voltage for precision analog circuits. 2. Power Supplies: Regulates the output voltage of power supplies to ensure stability and accuracy. 3. Battery Chargers: Controls the charging voltage to prevent overcharging and protect the battery. 4. Audio Amplifiers: Maintains a constant bias voltage for improved audio performance. 5. LED Drivers: Stabilizes the current flowing through LEDs for consistent brightness.

Detailed and Complete Alternative Models

Some alternative models to TL431BIDCKTE4 include: - LM4040: Precision Shunt Voltage Reference - LT1236: Micropower Precision Shunt Voltage Reference - MAX6126: Ultra-High-Precision Voltage Reference - REF3030: Low Dropout Voltage Reference

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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