AZ431AZ-ATRE1

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage reference - Adjustable output voltage - High accuracy and stability - Low temperature coefficient - Low power consumption

Package: SOT-23-3

Essence: The AZ431AZ-ATRE1 is a precision shunt regulator that provides a stable voltage reference. It is commonly used in various electronic circuits where a precise and stable voltage reference is required.

Packaging/Quantity: The AZ431AZ-ATRE1 is typically sold in reels containing 3000 units.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 60µA
• Output Current: Up to 100mA
• Dropout Voltage: 1.5V (typical)

Detailed Pin Configuration

The AZ431AZ-ATRE1 has three pins:

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

Functional Features

• Adjustable Output Voltage: The AZ431AZ-ATRE1 allows users to adjust the output voltage within the specified range using external resistors.
• High Accuracy and Stability: The initial accuracy of ±0.5% ensures precise voltage regulation, while the low temperature coefficient of 50ppm/°C maintains stability over a wide temperature range.
• Low Power Consumption: With a quiescent current of only 60µA, the AZ431AZ-ATRE1 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 power consumption

Disadvantages: - Dropout voltage of 1.5V may limit its use in low voltage applications

Working Principles

The AZ431AZ-ATRE1 operates as a shunt regulator, maintaining a stable output voltage by shunting excess current to ground. By adjusting the external resistors connected to the reference pin, the desired output voltage can be set within the specified range.

Detailed Application Field Plans

The AZ431AZ-ATRE1 finds applications in various fields, including: 1. Power supply circuits 2. Battery charging systems 3. Voltage regulators 4. Precision measurement equipment 5. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AZ431AZ-ATRE1 include: - TL431 - LM4040 - LT1009 - MAX6126

These models provide comparable voltage references with different package options and specifications.

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