TL431ACDCKTE4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Adjustable, Precision, Shunt Regulator
• Package: SOT-23, 3-Pin
• Essence: Programmable Precision Reference
• Packaging/Quantity: Tape and Reel, 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 TL431ACDCKTE4 IC has three pins: 1. Pin 1 (Anode): Connected to the reference voltage input. 2. Pin 2 (Cathode): Connected to the ground or negative supply. 3. Pin 3 (Reference): Provides the regulated output voltage.

Functional Features

• Adjustable Output: The TL431ACDCKTE4 allows precise adjustment of the output voltage within a wide range.
• Precision Reference: It provides a highly accurate reference voltage for various applications.
• Shunt Regulator: The IC acts as a shunt regulator, maintaining a constant voltage across the load.

Advantages and Disadvantages

Advantages: - Wide operating voltage range - High precision and accuracy - Low temperature coefficient - Small package size - Easy to use and integrate into circuits

Disadvantages: - Requires external components for proper operation - Limited output current capability - Sensitivity to noise and fluctuations in the input voltage

Working Principles

The TL431ACDCKTE4 is a programmable precision reference that operates as a shunt regulator. It compares the reference voltage at its internal reference pin with the voltage across a resistor divider network connected to the anode and cathode pins. By adjusting the resistor values, the output voltage can be precisely set. The TL431ACDCKTE4 continuously monitors the output voltage and adjusts the current flowing through it to maintain a constant voltage across the load.

Detailed Application Field Plans

The TL431ACDCKTE4 finds applications in various fields, including: 1. Voltage Regulation: It is commonly used in power supplies, battery chargers, and voltage regulators to provide stable and accurate reference voltages. 2. Feedback Control: It is utilized in feedback control circuits to regulate parameters such as temperature, current, and brightness. 3. Precision Instrumentation: The IC is employed in precision measurement devices, data acquisition systems, and calibration equipment to ensure accurate readings.

Detailed and Complete Alternative Models

Some alternative models to TL431ACDCKTE4 include: - TL431BQDBZR: SOT-23, 3-Pin, Adjustable Precision Shunt Regulator - TLVH431AQDBZR: SOT-23, 3-Pin, Low-Voltage Adjustable Precision Shunt Regulator - LM4040CIM3-5.0/NOPB: SOT-23, 3-Pin, Precision Micropower Shunt Voltage Reference

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