AS431HMBNTR-G1

Product Overview

Category

AS431HMBNTR-G1 belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating voltage range
• Low power consumption

Package

AS431HMBNTR-G1 is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of AS431HMBNTR-G1 lies in its ability to provide a stable reference voltage for precise voltage regulation in electronic systems.

Packaging/Quantity

AS431HMBNTR-G1 is typically packaged in reels containing 3000 units per reel.

Specifications

• Reference Voltage: 2.5V
• Operating Voltage Range: 2.7V to 36V
• Temperature Coefficient: ±50ppm/°C
• Output Current: 100mA
• Quiescent Current: 80µA

Detailed Pin Configuration

AS431HMBNTR-G1 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 (REF): Provides the stable reference voltage.

Functional Features

• Precise voltage regulation: AS431HMBNTR-G1 ensures a stable output voltage regardless of input variations.
• Overvoltage protection: It protects the connected circuitry from excessive voltage levels.
• Low power consumption: The device operates with low quiescent current, minimizing power dissipation.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable voltage regulation.
• Wide operating voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Low temperature coefficient ensures minimal voltage drift over temperature variations.

Disadvantages

• Limited output current capability may restrict usage in high-power applications.
• Requires external components for proper operation, increasing complexity.

Working Principles

AS431HMBNTR-G1 operates based on the principle of a shunt regulator. It compares the reference voltage at the REF pin with the input voltage and adjusts the current flowing through the device to maintain a constant output voltage.

Detailed Application Field Plans

AS431HMBNTR-G1 finds applications in various fields, including:

1. Power supply circuits: It provides stable voltage references for accurate regulation in power supplies.
2. Battery charging systems: AS431HMBNTR-G1 ensures precise voltage control during battery charging processes.
3. Industrial automation: It is used in control circuits to maintain consistent voltage levels for reliable operation.
4. Automotive electronics: AS431HMBNTR-G1 contributes to voltage stabilization in automotive electronic systems.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AS431HMBNTR-G1 are:

1. TL431: A widely used adjustable precision shunt regulator.
2. LM4040: A series of precision voltage references available in different voltage options.
3. LT1236: High-precision, low-drift voltage references suitable for demanding applications.

Note: This list is not exhaustive, and there are several other alternatives available in the market.

In conclusion, AS431HMBNTR-G1 is a voltage reference device known for its accuracy, stability, and wide operating range. It finds applications in various fields and offers advantages such as high precision and low power consumption. However, it has limitations in terms of output current capability and the need for external components.