AZ431LBRTR-G1

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage reference - Adjustable output voltage - High accuracy and stability - Low temperature coefficient - Low quiescent current

Package: SOT-23-3

Essence: The AZ431LBRTR-G1 is a precision shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The AZ431LBRTR-G1 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AZ431LBRTR-G1 has three pins:

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

Functional Features

• Adjustable Output Voltage: The AZ431LBRTR-G1 allows the user to adjust the output voltage within the specified range.
• High Accuracy and Stability: The initial accuracy of ±0.5% ensures precise voltage references, while the low temperature coefficient of 50ppm/°C maintains stability over a wide temperature range.
• Low Quiescent Current: With a quiescent current of only 60µA, the AZ431LBRTR-G1 minimizes power consumption in applications where energy efficiency is crucial.

Advantages and Disadvantages

Advantages: - Wide range of adjustable output voltages - High accuracy and stability - Low temperature coefficient - Low quiescent current

Disadvantages: - Limited maximum reference voltage of 16V

Working Principles

The AZ431LBRTR-G1 operates as a shunt regulator, maintaining a stable reference voltage between the REF pin and the CATHODE pin. By adjusting the voltage at the ANODE pin, the output voltage can be set within the specified range.

Detailed Application Field Plans

The AZ431LBRTR-G1 finds applications in various fields, including:

1. Power Supply Regulation: It is used to provide a stable reference voltage for power supply circuits, ensuring accurate voltage regulation.
2. Sensor Calibration: The precise voltage reference of the AZ431LBRTR-G1 makes it suitable for calibrating sensors that require accurate voltage inputs.
3. Analog Circuit Design: It is commonly used in analog circuit designs where a stable voltage reference is essential for accurate signal processing.

Detailed and Complete Alternative Models

1. TL431: A widely used alternative with similar specifications and functionality.
2. LM4040: Another popular voltage reference IC with adjustable output voltage and high accuracy.
3. LT1009: Precision shunt regulator with low temperature coefficient and excellent long-term stability.

These alternative models offer similar features and can be considered based on specific application requirements.

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