LM4040CIZ-2.5/LFT8

Product Overview

Category

The LM4040CIZ-2.5/LFT8 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 LM4040CIZ-2.5/LFT8 is available in an SOT-23 package.

Essence

This product serves as a voltage reference, providing a stable and accurate voltage output.

Packaging/Quantity

The LM4040CIZ-2.5/LFT8 is typically packaged in reels containing 3000 units.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4040CIZ-2.5/LFT8 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, connected to the input voltage source.

Functional Features

• Precise voltage reference: The LM4040CIZ-2.5/LFT8 ensures a highly accurate and stable 2.5V output voltage.
• Low dropout voltage: It operates with a low dropout voltage, minimizing power dissipation.
• Wide operating range: The device can operate within a wide temperature range, making it suitable for various environments.
• Low temperature coefficient: The LM4040CIZ-2.5/LFT8 exhibits a low temperature coefficient, ensuring stability over a wide temperature range.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output voltage options (only 2.5V)

Working Principles

The LM4040CIZ-2.5/LFT8 utilizes a bandgap reference circuit to generate a stable 2.5V 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 ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The LM4040CIZ-2.5/LFT8 finds applications in various fields, including:

1. Precision instrumentation
2. Industrial control systems
3. Battery-powered devices
4. Data acquisition systems
5. Automotive electronics
6. Medical equipment
7. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LM4040CIZ-2.5/LFT8 include:

1. LM4040CIZ-2.0/LFT8: Provides a 2.0V output voltage.
2. LM4040CIZ-3.0/LFT8: Provides a 3.0V output voltage.
3. LM4040CIZ-4.1/LFT8: Provides a 4.1V output voltage.
4. LM4040CIZ-5.0/LFT8: Provides a 5.0V output voltage.

These alternative models offer different output voltage options to suit specific application requirements.

In conclusion, the LM4040CIZ-2.5/LFT8 is a precision voltage reference with high accuracy, stability, and a low dropout voltage. It finds applications in various fields and is available in alternative models with different output voltage options.