LM4040AEM3-5.0+T

Product Overview

Category

The LM4040AEM3-5.0+T 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 quiescent current consumption

Package

The LM4040AEM3-5.0+T is available in a small SOT-23 package.

Essence

This product serves as a precise voltage reference, providing a stable output voltage for other components in a circuit.

Packaging/Quantity

The LM4040AEM3-5.0+T is typically packaged in reels containing 3000 units.

Specifications

• Output Voltage: 5.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Operating Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040AEM3-5.0+T has three pins:

1. VOUT: Output voltage pin
2. GND: Ground pin
3. VIN: Input voltage pin

Functional Features

• Precise voltage reference with low initial accuracy and temperature coefficient
• Stable output voltage over a wide operating voltage range
• Low power consumption, making it suitable for battery-powered applications
• Short-circuit and thermal protection for enhanced reliability

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance in critical applications.
• Wide operating voltage range allows for versatile use in different circuit designs.
• Low quiescent current consumption minimizes power dissipation and extends battery life.
• Small package size enables space-saving integration in compact electronic devices.

Disadvantages

• Limited output voltage options, with only 5.0V available in this specific model.
• Sensitive to external noise and fluctuations, requiring proper decoupling and filtering.

Working Principles

The LM4040AEM3-5.0+T utilizes a bandgap reference circuit to generate a precise and stable output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains relatively constant over a wide range of operating conditions.

Detailed Application Field Plans

The LM4040AEM3-5.0+T finds applications in various fields, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Industrial control systems
4. Portable consumer electronics
5. Automotive electronics
6. Medical devices

Its accurate voltage reference capability makes it suitable for any application that requires precise and stable voltage levels.

Detailed and Complete Alternative Models

Some alternative models to the LM4040AEM3-5.0+T include:

1. LM4040AEM3-2.5+T: Output voltage of 2.5V
2. LM4040AEM3-3.0+T: Output voltage of 3.0V
3. LM4040AEM3-4.1+T: Output voltage of 4.1V
4. LM4040AEM3-10.0+T: Output voltage of 10.0V

These alternative models provide different output voltage options to suit specific circuit requirements.

In conclusion, the LM4040AEM3-5.0+T is a precision voltage reference with high accuracy, stability, and low power consumption. Its small package size and wide operating voltage range make it suitable for various applications in different industries. However, it has limited output voltage options and requires proper noise mitigation measures.