LM4128BMFX-2.5

Product Overview

Category

The LM4128BMFX-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 LM4128BMFX-2.5 is available in a small SOT-23 package.

Essence

The essence of LM4128BMFX-2.5 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The LM4128BMFX-2.5 is typically packaged in reels, with 3000 units per reel.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.7V to 12V

Detailed Pin Configuration

The LM4128BMFX-2.5 has three pins:

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

Functional Features

• High precision: The LM4128BMFX-2.5 provides a highly accurate output voltage of 2.5V.
• Low temperature coefficient: It exhibits a low temperature coefficient, ensuring stability across varying temperatures.
• Low dropout voltage: The low dropout voltage allows for efficient operation even with low input voltages.
• Wide operating temperature range: It can operate reliably in a wide temperature range from -40°C to +125°C.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure precise circuit performance.
• Low dropout voltage enables efficient operation in low voltage applications.
• Wide operating temperature range allows for reliable operation in various environments.

Disadvantages

• Limited output voltage options restrict its use in certain applications requiring different reference voltages.
• SOT-23 package may not be suitable for all circuit designs.

Working Principles

The LM4128BMFX-2.5 utilizes bandgap voltage reference technology to generate a stable 2.5V output voltage. It employs a combination of active and passive components to achieve high accuracy and stability.

Detailed Application Field Plans

The LM4128BMFX-2.5 finds application in various fields, including:

1. Precision measurement equipment
2. Data acquisition systems
3. Industrial control systems
4. Battery-powered devices
5. Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM4128BMFX-2.5 are:

1. LT6656: A precision voltage reference with similar specifications and package options.
2. MAX619: Another voltage reference offering high accuracy and stability.
3. REF102: A precision voltage reference with a different output voltage option.

These alternative models provide similar functionality and can be used as substitutes based on specific requirements.

In conclusion, the LM4128BMFX-2.5 is a highly accurate and stable voltage reference used in various electronic circuits. Its low dropout voltage and wide operating temperature range make it suitable for diverse applications. However, its limited output voltage options and package type should be considered when selecting alternatives.