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LM4128DMFX-3.3
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LM4128DMFX-3.3

Product Overview

Category

The LM4128DMFX-3.3 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 LM4128DMFX-3.3 is available in a small SOT-23 package.

Essence

The essence of LM4128DMFX-3.3 lies in its ability to provide a stable and accurate voltage reference for precise circuit operation.

Packaging/Quantity

The LM4128DMFX-3.3 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

  • Output Voltage: 3.3V
  • 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
  • Quiescent Current: 80µA (typical)

Detailed Pin Configuration

The LM4128DMFX-3.3 has three pins:

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

Functional Features

  • Precise voltage reference: The LM4128DMFX-3.3 provides a stable and accurate 3.3V reference voltage.
  • Low dropout voltage: It operates with a low dropout voltage, ensuring efficient power utilization.
  • Low temperature coefficient: The LM4128DMFX-3.3 exhibits a low temperature coefficient, maintaining stability across varying temperatures.
  • 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 operation.
  • Low dropout voltage minimizes power dissipation.
  • Wide operating temperature range allows for versatile applications.

Disadvantages

  • Limited output voltage options (only 3.3V).
  • Relatively higher initial cost compared to some other voltage references.

Working Principles

The LM4128DMFX-3.3 utilizes bandgap reference technology to generate a stable voltage reference. It employs a combination of active and passive components to achieve high accuracy and low temperature coefficient.

Detailed Application Field Plans

The LM4128DMFX-3.3 finds extensive application in various electronic systems, including: 1. Precision analog-to-digital converters (ADCs) 2. Voltage regulators 3. Data acquisition systems 4. Battery-powered devices 5. Industrial control systems

Detailed and Complete Alternative Models

  1. LM4040AIM3-3.3/NOPB: A 3.3V precision voltage reference with similar characteristics and package.
  2. LT1236ACS8-3.3#PBF: Another 3.3V voltage reference offering high accuracy and stability.
  3. REF3030AIDBZT: A 3.3V voltage reference with low dropout voltage and excellent temperature stability.

These alternative models provide similar functionality and can be considered as substitutes for the LM4128DMFX-3.3.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM4128DMFX-3.3 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LM4128DMFX-3.3 in technical solutions:

  1. Q: What is LM4128DMFX-3.3? A: LM4128DMFX-3.3 is a low dropout voltage regulator IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for LM4128DMFX-3.3? A: The input voltage range for LM4128DMFX-3.3 is typically between 2.5V and 12V.

  3. Q: What is the maximum output current of LM4128DMFX-3.3? A: LM4128DMFX-3.3 can provide a maximum output current of 150mA.

  4. Q: Can LM4128DMFX-3.3 be used in battery-powered applications? A: Yes, LM4128DMFX-3.3 can be used in battery-powered applications as it has a low quiescent current and low dropout voltage.

  5. Q: Is LM4128DMFX-3.3 suitable for use in automotive applications? A: Yes, LM4128DMFX-3.3 is suitable for use in automotive applications as it meets the AEC-Q100 Grade 1 automotive qualification standards.

  6. Q: Does LM4128DMFX-3.3 have built-in thermal shutdown protection? A: Yes, LM4128DMFX-3.3 has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can LM4128DMFX-3.3 operate in harsh environments? A: Yes, LM4128DMFX-3.3 is designed to operate in a wide temperature range and is suitable for use in harsh environments.

  8. Q: What is the typical dropout voltage of LM4128DMFX-3.3? A: The typical dropout voltage of LM4128DMFX-3.3 is 200mV at 150mA load current.

  9. Q: Can LM4128DMFX-3.3 be used to power microcontrollers or other digital ICs? A: Yes, LM4128DMFX-3.3 can be used to power microcontrollers, digital ICs, and other low-power devices.

  10. Q: Is LM4128DMFX-3.3 available in different package options? A: Yes, LM4128DMFX-3.3 is available in a SOT-23 package, which is small and suitable for space-constrained applications.

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