AS431IAZTR-G1

Product Overview

Category

AS431IAZTR-G1 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 input voltages.
• Can be used in both positive and negative supply applications.

Package

AS431IAZTR-G1 is available in a small SOT-23 package.

Essence

The essence of AS431IAZTR-G1 lies in its ability to provide a precise and stable voltage reference, ensuring reliable operation of electronic circuits.

Packaging/Quantity

AS431IAZTR-G1 is typically packaged in reels containing 3000 units.

Specifications

• Reference Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Voltage Range: 2.5V to 36V
• Quiescent Current: 80µA

Pin Configuration

AS431IAZTR-G1 has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Provides the stable voltage reference.

Functional Features

• Precise voltage regulation.
• Low quiescent current consumption.
• Wide operating voltage range.
• High accuracy and stability.
• Fast response time.

Advantages

• Provides a stable voltage reference for accurate circuit operation.
• Low temperature coefficient ensures minimal drift with temperature changes.
• Small package size allows for space-saving designs.
• Suitable for both positive and negative supply applications.

Disadvantages

• Limited output current capability.
• Requires an external resistor for setting the desired output voltage.

Working Principles

AS431IAZTR-G1 operates based on the principle of a shunt regulator. It compares the reference voltage with the input voltage and adjusts the current flowing through the internal resistor to maintain a constant output voltage.

Detailed Application Field Plans

AS431IAZTR-G1 finds applications in various fields, including:

1. Power supply circuits: Provides stable voltage references for accurate regulation.
2. Battery charging systems: Ensures precise voltage control during charging.
3. Industrial automation: Used in control circuits for reliable operation.
4. Automotive electronics: Provides accurate voltage references for sensors and control modules.
5. Consumer electronics: Used in audio amplifiers, voltage regulators, and other circuits requiring stable voltage references.

Detailed and Complete Alternative Models

Some alternative models to AS431IAZTR-G1 include:

1. TL431: Similar voltage reference with adjustable output.
2. LM4040: Precision shunt voltage reference with different output voltage options.
3. LT1009: High-precision voltage reference with low temperature coefficient.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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