LM4040EEM3-3.0/NOPB

Product Overview

Category

The LM4040EEM3-3.0/NOPB belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator for various applications.

Characteristics

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

Package

The LM4040EEM3-3.0/NOPB is available in a SOT-23 package.

Essence

This product serves as a voltage reference, providing a stable and accurate voltage output for other electronic components or systems.

Packaging/Quantity

The LM4040EEM3-3.0/NOPB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 3.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 20ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 10V
• Quiescent Current: 60µA (typical)

Pin Configuration

The LM4040EEM3-3.0/NOPB has three pins:

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

Functional Features

• Precise voltage reference
• Low power consumption
• Stable output voltage over a wide temperature range
• Low dropout voltage allows for efficient operation

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Small package size allows for space-saving designs.
• Wide operating range makes it suitable for various applications.

Disadvantages

• Limited output voltage options (only available in 3.0V).
• Dropout voltage may not be suitable for low-power applications with strict power constraints.

Working Principles

The LM4040EEM3-3.0/NOPB utilizes a bandgap reference circuit to generate a stable voltage output. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040EEM3-3.0/NOPB finds applications in various fields, including:

1. Precision analog circuits
2. Voltage regulators
3. Data acquisition systems
4. Portable electronic devices
5. Battery-powered systems
6. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LM4040EEM3-3.0/NOPB include:

1. LM4040AIM3-3.0/NOPB: Similar specifications but available in a SOT-23-3 package.
2. LM4040CIM3-3.0/NOPB: Higher initial accuracy of ±0.05% but slightly higher dropout voltage.
3. LM4040DIM3-3.0/NOPB: Lower initial accuracy of ±0.2% but lower quiescent current.

These alternative models provide flexibility in choosing the most suitable voltage reference for specific applications.

In conclusion, the LM4040EEM3-3.0/NOPB is a precision voltage reference with high accuracy, stability, and a small package size. Its wide operating range and low dropout voltage make it suitable for various applications. However, it has limited output voltage options and may not be ideal for low-power applications with strict power constraints.