TL431AQDCKT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Programmable Output Voltage - Low Dynamic Output Impedance - Wide Operating Current Range - High Accuracy and Temperature Stability

Package: SC-70, 5-Lead

Essence: The TL431AQDCKT is a precision shunt regulator that can be used to provide a stable reference voltage in various electronic circuits.

Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Reference Voltage: 2.495V to 36V
• Operating Current Range: 1mA to 100mA
• Temperature Range: -40°C to +85°C
• Initial Accuracy: ±0.5%
• Dynamic Output Impedance: 0.22Ω
• Cathode Current: 1mA to 100mA

Pin Configuration

The TL431AQDCKT has the following pin configuration:

```

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| | --| 1 |-- Anode --| | --| 2 |-- Cathode --| | --| 3 |-- Reference --| | --| 4 |-- NC (No Connection) --| | --| 5 |-- NC (No Connection) |____| ```

Functional Features

• Programmable output voltage allows for flexibility in circuit design.
• Low dynamic output impedance ensures stability even with varying loads.
• Wide operating current range makes it suitable for a variety of applications.
• High accuracy and temperature stability ensure precise voltage regulation.

Advantages and Disadvantages

Advantages: - Easy to use and integrate into circuits. - Provides a stable reference voltage. - Programmable output voltage allows for customization. - Wide operating current range offers versatility.

Disadvantages: - Requires external components for proper operation. - Limited to low power applications. - Not suitable for high voltage applications.

Working Principles

The TL431AQDCKT operates as a shunt regulator by comparing the reference voltage at its cathode with an adjustable voltage divider. It adjusts the current flowing through it to maintain a constant voltage across the load.

Detailed Application Field Plans

The TL431AQDCKT can be used in various applications, including: 1. Voltage regulators 2. Switching power supplies 3. Battery chargers 4. Audio amplifiers 5. LED drivers

Alternative Models

Some alternative models that can be considered as replacements for the TL431AQDCKT are: - TL431BQDBZR - TL431ACDBVR - TLVH431AIDBZT - LM4040CIM3-2.5/NOPB

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the TL431AQDCKT is a versatile voltage reference IC that offers precise and stable voltage regulation. Its programmable output voltage and wide operating current range make it suitable for various applications. However, it requires external components and is limited to low power applications. Alternative models provide flexibility for different design needs.