LM4040EIM3-2.5/NOPB

Product Overview

Category

The LM4040EIM3-2.5/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 LM4040EIM3-2.5/NOPB is available in a SOT-23-3 package.

Essence

This product serves as a precise voltage reference, providing a stable output voltage for electronic circuits.

Packaging/Quantity

The LM4040EIM3-2.5/NOPB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• 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 LM4040EIM3-2.5/NOPB has three pins arranged as follows:

```

---

| | --| V+ | --| | |____| ```

Pin 1: V+ (Input voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output voltage)

Functional Features

• Precise voltage reference
• Low power consumption
• Excellent line and load regulation
• Thermal shutdown protection
• Short-circuit current limiting

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes output voltage variations with temperature changes.
• Low dropout voltage allows operation in low voltage applications.
• Wide operating range provides flexibility in various circuits.
• Small package size saves board space.

Disadvantages

• Limited output voltage options (only 2.5V in this case).
• Not suitable for high current applications.

Working Principles

The LM4040EIM3-2.5/NOPB operates based on the principle of a shunt regulator. It uses a precision bandgap reference to generate a stable output voltage. The input voltage is regulated to the desired output voltage by controlling the current flow through a series resistor.

Detailed Application Field Plans

The LM4040EIM3-2.5/NOPB finds applications in various fields, including:

1. Precision analog circuits
2. Voltage references for ADCs and DACs
3. Battery-powered devices
4. Industrial control systems
5. Test and measurement equipment
6. Portable electronics
7. Automotive electronics
8. Medical devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM4040EIM3-2.5/NOPB are:

1. LM4040CIM3-2.5/NOPB: Similar specifications but available in a different package.
2. LT1236CIS8-2.5#PBF: Higher accuracy and lower temperature coefficient, but at a higher cost.
3. MAX6126AASA25+: Lower dropout voltage and higher initial accuracy, but in a different package.

These alternative models provide similar functionality and can be chosen based on specific requirements and constraints.

In conclusion, the LM4040EIM3-2.5/NOPB is a precision voltage reference with excellent accuracy, stability, and low dropout voltage. It finds applications in various fields and has alternative models available for different needs.