AS431ANTR-G1

Product Overview

Category

AS431ANTR-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 voltage reference with high accuracy.
• Offers low temperature coefficient and excellent line regulation.
• Operates over a wide temperature range.
• Suitable for both battery-powered and industrial applications.

Package

AS431ANTR-G1 is available in a small SOT-23 package.

Essence

The essence of AS431ANTR-G1 lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

AS431ANTR-G1 is typically packaged in reels containing 3000 units.

Specifications

• Reference Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Line Regulation: 0.2%/V
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.5V to 36V
• Quiescent Current: 80µA

Detailed Pin Configuration

AS431ANTR-G1 features three pins:

1. Cathode (K): Connected to the ground or reference potential.
2. Anode (A): Connected to the input voltage.
3. Reference (REF): Provides the stable output voltage.

Functional Features

• Precise voltage reference: AS431ANTR-G1 ensures a stable output voltage regardless of input variations.
• Low temperature coefficient: The device maintains accuracy over a wide temperature range.
• Excellent line regulation: It exhibits minimal voltage variation with changes in input voltage.
• Adjustable output: By connecting external resistors, the output voltage can be adjusted to meet specific requirements.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Wide operating temperature range.
• Low power consumption.
• Adjustable output voltage.

Disadvantages

• Limited output current capability.
• Requires external resistors for voltage adjustment.

Working Principles

AS431ANTR-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 device to maintain a constant output voltage. By controlling the current, it compensates for variations in the input voltage, ensuring a stable and accurate output.

Detailed Application Field Plans

AS431ANTR-G1 finds applications in various electronic systems, including:

1. Power supplies: It is used as a voltage reference in linear and switching power supplies.
2. Battery management: AS431ANTR-G1 ensures precise voltage monitoring and regulation in battery charging and protection circuits.
3. Industrial control systems: It provides stable voltage references for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other critical components.
4. Automotive electronics: The device is employed in automotive systems requiring accurate voltage references, such as engine control units (ECUs) and sensor interfaces.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AS431ANTR-G1 include:

1. TL431: A widely used adjustable precision shunt regulator.
2. LM4040: A series of precision voltage references available in different voltage options.
3. REF3030: A low-power, high-precision voltage reference suitable for portable devices.

These alternatives can be considered based on specific application requirements and desired specifications.

Word count: 520 words