LM4431M3-2.5

Product Overview

Category

The LM4431M3-2.5 belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

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

Package

The LM4431M3-2.5 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4431M3-2.5 lies in its ability to provide a stable and accurate voltage reference, ensuring reliable performance in electronic systems.

Packaging/Quantity

The LM4431M3-2.5 is typically sold in reels containing a specified quantity of units, such as 3000 pieces per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.4%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4431M3-2.5 has three pins:

1. VOUT: Output pin, provides a stable 2.5V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, receives the input voltage to regulate.

Functional Features

• Precise voltage reference: The LM4431M3-2.5 ensures a highly accurate and stable output voltage of 2.5V.
• Low dropout voltage: It operates with a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Wide operating temperature range: The device can function reliably across a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low dropout voltage minimizes power dissipation.
• Small package size allows for space-constrained applications.

Disadvantages

• Limited output voltage options (only 2.5V in this case).
• Higher cost compared to some other voltage references.

Working Principles

The LM4431M3-2.5 utilizes a bandgap reference circuit to generate a stable 2.5V output voltage. This circuit compensates for temperature variations, ensuring accurate voltage regulation across a wide temperature range.

Detailed Application Field Plans

The LM4431M3-2.5 finds application in various electronic systems where a precise voltage reference is required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Precision instrumentation

Detailed and Complete Alternative Models

1. LM4040: A series of precision voltage references with different output voltage options.
2. LT1236: Ultra-high precision voltage reference with low temperature coefficient.
3. REF50xx: Wide input voltage range voltage references with high accuracy.

These alternative models offer similar functionality and can be considered based on specific requirements and preferences.

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