LM4128CMFX-3.0

Product Overview

Category

The LM4128CMFX-3.0 belongs to the category of voltage references.

Use

It is commonly 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 LM4128CMFX-3.0 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4128CMFX-3.0 lies in its ability to provide a stable and accurate voltage reference, ensuring precise operation of electronic circuits.

Packaging/Quantity

The LM4128CMFX-3.0 is typically sold in reels containing 3000 units per reel.

Specifications

• Output Voltage: 3.0V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4128CMFX-3.0 has three pins:

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

Functional Features

• High precision: The LM4128CMFX-3.0 provides a highly accurate output voltage, ensuring reliable performance in precision applications.
• Low dropout voltage: With a low dropout voltage, this voltage reference can operate efficiently even when the input voltage is close to the output voltage.
• Low temperature coefficient: The LM4128CMFX-3.0 exhibits a low temperature coefficient, minimizing variations in output voltage with temperature changes.
• Wide operating temperature range: It can operate reliably over a wide temperature range, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure precise voltage references.
• Low dropout voltage allows efficient operation in low input-output voltage scenarios.
• Wide operating temperature range enables reliable performance in diverse environments.

Disadvantages

• Limited output voltage options (only available in 3.0V).

Working Principles

The LM4128CMFX-3.0 utilizes a bandgap reference circuit to generate a stable and accurate voltage reference. It compensates for temperature variations by employing a feedback mechanism that adjusts the output voltage accordingly.

Detailed Application Field Plans

The LM4128CMFX-3.0 finds applications in various fields, including: 1. Precision analog circuits 2. Data acquisition systems 3. Industrial control systems 4. Portable electronic devices 5. Battery-powered equipment

Detailed and Complete Alternative Models

Some alternative models to LM4128CMFX-3.0 include: 1. LM4040CIM3-3.0: 3.0V precision voltage reference with similar characteristics. 2. LT1236ACS8-3.0: 3.0V micropower precision shunt voltage reference. 3. REF3030AIDBZT: 3.0V ultra-low-power voltage reference with low dropout voltage.

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the LM4128CMFX-3.0 is a highly accurate and stable voltage reference used in various electronic circuits. Its low dropout voltage, wide operating temperature range, and small package make it suitable for diverse applications. While it has limited output voltage options, there are alternative models available to meet specific needs.