Texas Instruments
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LM4128DMF-2.0
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LM4128DMF-2.0

Product Overview

Category

LM4128DMF-2.0 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

LM4128DMF-2.0 is available in a small surface-mount SOT-23 package.

Essence

The essence of LM4128DMF-2.0 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The LM4128DMF-2.0 is typically packaged in reels, with 3000 units per reel.

Specifications

  • Output Voltage: 2.0V
  • Initial Accuracy: ±0.1%
  • Temperature Coefficient: 50ppm/°C
  • Dropout Voltage: 200mV (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LM4128DMF-2.0 has three pins:

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

Functional Features

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

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure reliable circuit performance.
  • Low dropout voltage minimizes power dissipation.
  • Wide operating temperature range allows for versatile applications.

Disadvantages

  • Limited output voltage options.
  • Sensitive to external noise and disturbances.

Working Principles

LM4128DMF-2.0 utilizes bandgap voltage reference technology to generate a stable and accurate output voltage. It compensates for temperature variations and provides a precise reference voltage for other circuit components.

Detailed Application Field Plans

LM4128DMF-2.0 finds applications in various fields, including:

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

Detailed and Complete Alternative Models

Some alternative models to LM4128DMF-2.0 include:

  1. LM4040
  2. LT1236
  3. REF102
  4. MAX6126

These models offer similar functionality and can be used as alternatives based on specific requirements.

In conclusion, LM4128DMF-2.0 is a precision voltage reference with high accuracy, stability, and low dropout voltage. It finds applications in diverse fields and has alternative models available for different needs.

Texniki həllərdə LM4128DMF-2.0 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of LM4128DMF-2.0 in technical solutions:

  1. Q: What is LM4128DMF-2.0? A: LM4128DMF-2.0 is a low dropout voltage regulator (LDO) that provides a stable output voltage for various electronic devices.

  2. Q: What is the input voltage range for LM4128DMF-2.0? A: The input voltage range for LM4128DMF-2.0 is typically between 2.5V and 12V.

  3. Q: What is the output voltage of LM4128DMF-2.0? A: The output voltage of LM4128DMF-2.0 is fixed at 2.0V.

  4. Q: What is the maximum output current of LM4128DMF-2.0? A: The maximum output current of LM4128DMF-2.0 is 150mA.

  5. Q: Can LM4128DMF-2.0 be used in battery-powered applications? A: Yes, LM4128DMF-2.0 can be used in battery-powered applications as it has a low quiescent current and operates efficiently with low input voltages.

  6. Q: Is LM4128DMF-2.0 suitable for noise-sensitive applications? A: Yes, LM4128DMF-2.0 is designed to provide excellent power supply rejection ratio (PSRR), making it suitable for noise-sensitive applications.

  7. Q: Does LM4128DMF-2.0 have built-in thermal shutdown protection? A: Yes, LM4128DMF-2.0 has built-in thermal shutdown protection to prevent overheating and ensure safe operation.

  8. Q: Can LM4128DMF-2.0 be used in automotive applications? A: Yes, LM4128DMF-2.0 is qualified for automotive applications and meets the necessary standards and requirements.

  9. Q: What is the package type of LM4128DMF-2.0? A: LM4128DMF-2.0 is available in a small SOT-23 package, which is suitable for space-constrained designs.

  10. Q: Are there any application notes or reference designs available for LM4128DMF-2.0? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of LM4128DMF-2.0 in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.