AZ431BN-BTRE1

Product Overview

Category

AZ431BN-BTRE1 belongs to the category of voltage references.

Use

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

Characteristics

• High precision: AZ431BN-BTRE1 offers excellent voltage regulation accuracy.
• Low temperature coefficient: It exhibits minimal changes in output voltage with temperature variations.
• Low dynamic impedance: The device maintains stable output voltage even under varying load conditions.
• Wide operating voltage range: It can operate within a wide range of input voltages.
• Low power consumption: AZ431BN-BTRE1 consumes minimal power during operation.

Package

The product comes in a small outline transistor (SOT-23) package.

Essence

AZ431BN-BTRE1 is an integrated circuit that provides precise voltage reference for electronic systems.

Packaging/Quantity

It is typically available in reels, containing a specified quantity of devices per reel.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 2.5V to 36V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60µA

Detailed Pin Configuration

AZ431BN-BTRE1 has three pins:

1. REF: Reference voltage output pin.
2. ANODE: Anode connection for the internal shunt regulator.
3. CATHODE: Cathode connection for the internal shunt regulator.

Functional Features

• Voltage Regulation: AZ431BN-BTRE1 ensures a stable and accurate output voltage regardless of input voltage fluctuations or load variations.
• Overcurrent Protection: The device incorporates overcurrent protection to safeguard connected circuits from excessive current flow.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered applications.
• Fast Response Time: AZ431BN-BTRE1 exhibits a fast response time to changes in input voltage or load conditions.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Wide operating voltage range
• Low temperature coefficient
• Small package size
• Overcurrent protection

Disadvantages

• Limited output current capacity
• Requires external components for proper operation

Working Principles

AZ431BN-BTRE1 operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with the input voltage and adjusts the current flowing through the internal shunt regulator to maintain a stable output voltage.

Detailed Application Field Plans

AZ431BN-BTRE1 finds applications in various electronic systems, including:

1. Power Supplies: It is used in voltage regulators to provide precise and stable output voltages.
2. Battery Management Systems: The device ensures accurate voltage monitoring and regulation in battery charging circuits.
3. Industrial Control Systems: AZ431BN-BTRE1 is employed in control circuits that require precise voltage references.
4. Automotive Electronics: It finds use in automotive systems such as engine control units and lighting control modules.

Detailed and Complete Alternative Models

Some alternative models to AZ431BN-BTRE1 include:

1. TL431: A widely used voltage reference IC with similar characteristics.
2. LM4040: Another popular precision voltage reference option.
3. LT1236: A high-precision shunt regulator suitable for demanding applications.

These alternative models offer comparable performance and can be considered as substitutes for AZ431BN-BTRE1 depending on specific requirements.

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