AS431BRTR-G1

Product Overview

Category

AS431BRTR-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

AS431BRTR-G1 is available in a small SOT-23 package.

Essence

The essence of AS431BRTR-G1 lies in its ability to provide a precise and stable voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

This product is typically packaged in reels, containing a specified quantity of AS431BRTR-G1 units.

Specifications

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

Detailed Pin Configuration

AS431BRTR-G1 has three pins:

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

Functional Features

• Precise voltage reference for accurate circuit operation.
• Adjustable output voltage through external resistors.
• Low power consumption for energy-efficient designs.
• Short-circuit protection to prevent damage.
• Fast response time for dynamic applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability.
• Wide operating temperature range.
• Low temperature coefficient.
• Small form factor for space-constrained designs.
• Easy to use and integrate into circuits.

Disadvantages

• Limited output current capability.
• Requires external resistors for voltage adjustment.
• Not suitable for high-power applications.

Working Principles

AS431BRTR-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 stable output voltage.

Detailed Application Field Plans

AS431BRTR-G1 finds application 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 voltage references for sensors and control modules.
5. Consumer electronics: Used in audio amplifiers, voltage regulators, and other circuits.

Detailed and Complete Alternative Models

Some alternative models similar to AS431BRTR-G1 include:

1. TL431: Widely used precision shunt regulator with adjustable output voltage.
2. LM4040: Precision voltage reference with low temperature coefficient.
3. LT1009: High accuracy voltage reference with low dropout voltage.
4. REF5025: Ultra-precision voltage reference with low noise performance.

These alternative models offer similar functionality and can be considered as substitutes for AS431BRTR-G1 in different applications.

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