AS431BKTR-E1

Product Overview

Category

AS431BKTR-E1 belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• Provides a stable and accurate voltage reference.
• Offers low temperature coefficient and high accuracy.
• Operates over a wide range of temperatures.
• Requires minimal external components for operation.

Package

AS431BKTR-E1 is available in a small SOT-23 package.

Essence

The essence of AS431BKTR-E1 lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

AS431BKTR-E1 is typically packaged in reels containing 3000 units.

Specifications

• Reference Voltage: 2.5V
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.5V to 36V
• Output Current Range: 1mA to 100mA

Detailed Pin Configuration

AS431BKTR-E1 features three pins:

1. Cathode (K): Connected to the ground or negative terminal of the circuit.
2. Anode (A): Connected to the positive terminal of the circuit.
3. Reference (REF): Provides the stable voltage reference output.

Functional Features

• Precise Voltage Reference: AS431BKTR-E1 ensures a stable and accurate voltage reference, enabling precise circuit operation.
• Shunt Regulation: It acts as a shunt regulator, maintaining a constant voltage across the load.
• Low Power Consumption: The device consumes minimal power, making it suitable for low-power applications.
• Wide Operating Temperature Range: AS431BKTR-E1 operates reliably over a wide temperature range, enhancing its versatility.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Low temperature coefficient.
• Compact package size.
• Wide operating temperature range.

Disadvantages

• Limited output current range.
• Requires external components for operation.

Working Principles

AS431BKTR-E1 operates based on the principle of shunt regulation. It compares the reference voltage with the voltage across a resistor connected in series with the load. By adjusting the current flowing through the shunt resistor, it maintains a constant voltage across the load.

Detailed Application Field Plans

AS431BKTR-E1 finds applications in various electronic systems, including:

1. Power Supplies: It is used to provide stable voltage references in power supply circuits.
2. Battery Management Systems: AS431BKTR-E1 ensures accurate voltage monitoring and regulation in battery management systems.
3. Audio Amplifiers: It helps maintain a constant voltage level in audio amplifier circuits, ensuring high-quality sound reproduction.
4. Industrial Control Systems: The device is utilized in industrial control systems to ensure precise voltage regulation for reliable operation.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AS431BKTR-E1 are:

1. TL431: A widely used adjustable precision shunt regulator.
2. LM4040: A precision voltage reference with various output voltage options.
3. REF3030: A low-power, high-accuracy voltage reference suitable for portable devices.

Please note that these alternative models may have different specifications and pin configurations, so careful consideration should be given to the specific requirements of the application before selecting an alternative.

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