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LM4128DMFX-2.5

LM4128DMFX-2.5

Product Overview

Category

LM4128DMFX-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

LM4128DMFX-2.5 is available in a small SOT-23 package.

Essence

The essence of LM4128DMFX-2.5 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

This product 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: 50ppm/°C
  • Dropout Voltage: 200mV (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 2.7V to 12V

Detailed Pin Configuration

LM4128DMFX-2.5 has three pins:

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

Functional Features

  • High precision voltage reference
  • Low power consumption
  • Excellent line and load regulation
  • Fast start-up time
  • Low output noise

Advantages

  • Provides a stable and accurate voltage reference
  • Suitable for low-power applications
  • Wide operating temperature range allows for use in various environments
  • Small package size enables space-saving designs

Disadvantages

  • Limited output voltage options
  • Higher cost compared to some other voltage references
  • Sensitivity to input voltage fluctuations

Working Principles

LM4128DMFX-2.5 utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations and provides a constant voltage reference regardless of changes in input voltage or load conditions.

Detailed Application Field Plans

LM4128DMFX-2.5 finds applications in various fields, including:

  1. Precision measurement instruments
  2. Data acquisition systems
  3. Industrial control systems
  4. Battery-powered devices
  5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LM4128DMFX-2.5 are:

  1. LM4040
  2. LT1236
  3. REF5025
  4. MAX6126

These models offer similar functionality and performance characteristics, providing options for different design requirements.

In conclusion, LM4128DMFX-2.5 is a precision voltage reference with high accuracy, stability, and low dropout voltage. Its small package size and wide operating temperature range make it suitable for various applications. However, it has limited output voltage options and is relatively more expensive compared to some alternatives.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4128DMFX-2.5 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LM4128DMFX-2.5 in technical solutions:

  1. Question: What is the LM4128DMFX-2.5?
    Answer: The LM4128DMFX-2.5 is a low dropout voltage regulator that provides a fixed output voltage of 2.5V.

  2. Question: What is the input voltage range for the LM4128DMFX-2.5?
    Answer: The input voltage range for the LM4128DMFX-2.5 is typically between 2.7V and 12V.

  3. Question: What is the maximum output current of the LM4128DMFX-2.5?
    Answer: The maximum output current of the LM4128DMFX-2.5 is 150mA.

  4. Question: Can the LM4128DMFX-2.5 be used in battery-powered applications?
    Answer: Yes, the LM4128DMFX-2.5 can be used in battery-powered applications as it has a low quiescent current and operates at low dropout voltages.

  5. Question: Is the LM4128DMFX-2.5 suitable for use in automotive applications?
    Answer: Yes, the LM4128DMFX-2.5 is designed to meet the requirements of automotive applications and is AEC-Q100 qualified.

  6. Question: Can the LM4128DMFX-2.5 handle input voltage fluctuations?
    Answer: Yes, the LM4128DMFX-2.5 has built-in protection features such as thermal shutdown and current limit, which help it handle input voltage fluctuations.

  7. Question: What is the typical dropout voltage of the LM4128DMFX-2.5?
    Answer: The typical dropout voltage of the LM4128DMFX-2.5 is 200mV at 150mA load current.

  8. Question: Can the LM4128DMFX-2.5 be used in space-constrained applications?
    Answer: Yes, the LM4128DMFX-2.5 is available in a small SOT-23 package, making it suitable for space-constrained applications.

  9. Question: Does the LM4128DMFX-2.5 require any external components for operation?
    Answer: Yes, the LM4128DMFX-2.5 requires an input and output capacitor for stability and proper operation.

  10. Question: What are some typical applications for the LM4128DMFX-2.5?
    Answer: The LM4128DMFX-2.5 can be used in various applications such as battery-powered devices, automotive electronics, portable instruments, and industrial control systems.

Please note that these answers are general and may vary depending on specific design considerations and requirements.