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LMR342FVT-GE2

LMR342FVT-GE2

Product Overview

Category

LMR342FVT-GE2 belongs to the category of integrated voltage regulators.

Use

This product is primarily used for voltage regulation in electronic circuits.

Characteristics

  • Integrated voltage regulator
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Thermal shutdown protection

Package

The LMR342FVT-GE2 comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of LMR342FVT-GE2 lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to VIN
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV (typical)
  • Quiescent Current: 45µA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMR342FVT-GE2 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for adjusting the output voltage
  4. EN: Enable pin for turning the regulator on/off
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The LMR342FVT-GE2 offers high efficiency, minimizing power loss and maximizing battery life.
  • Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The wide input voltage range allows the regulator to be used with various power sources.
  • Adjustable Output Voltage: The output voltage can be easily adjusted using the feedback pin, providing flexibility in different applications.
  • Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range enables compatibility with different power sources.
  • Adjustable output voltage provides versatility.
  • Thermal shutdown protection ensures device safety.

Disadvantages

  • Limited output current capacity (up to 1A).
  • Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The LMR342FVT-GE2 operates based on a voltage regulation principle. It takes an input voltage and regulates it to a desired output voltage level. This is achieved through internal circuitry that adjusts the voltage difference between the input and output, maintaining a stable output voltage regardless of variations in the input.

Detailed Application Field Plans

The LMR342FVT-GE2 finds application in various electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - IoT devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  • LMR33630-Q1
  • LMR16006
  • LM317

These alternative models offer similar functionality and can be considered as substitutes for the LMR342FVT-GE2 in different applications.

In conclusion, the LMR342FVT-GE2 is an integrated voltage regulator known for its high efficiency, adjustable output voltage, and thermal shutdown protection. While it has limitations in terms of output current capacity and dropout voltage, it serves as a reliable solution for voltage regulation in various electronic applications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LMR342FVT-GE2 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LMR342FVT-GE2 in technical solutions:

  1. Q: What is the LMR342FVT-GE2? A: The LMR342FVT-GE2 is a voltage regulator IC (integrated circuit) designed for use in various technical solutions.

  2. Q: What is the input voltage range of the LMR342FVT-GE2? A: The LMR342FVT-GE2 has an input voltage range of 4.5V to 42V.

  3. Q: What is the output voltage range of the LMR342FVT-GE2? A: The LMR342FVT-GE2 can provide an adjustable output voltage ranging from 0.8V to 37V.

  4. Q: What is the maximum output current of the LMR342FVT-GE2? A: The LMR342FVT-GE2 can deliver a maximum output current of 2A.

  5. Q: Is the LMR342FVT-GE2 suitable for battery-powered applications? A: Yes, the LMR342FVT-GE2 is suitable for battery-powered applications due to its wide input voltage range and low quiescent current.

  6. Q: Does the LMR342FVT-GE2 have built-in protection features? A: Yes, the LMR342FVT-GE2 includes built-in protection features such as thermal shutdown, current limit, and reverse polarity protection.

  7. Q: Can the LMR342FVT-GE2 operate in high-temperature environments? A: Yes, the LMR342FVT-GE2 is designed to operate in high-temperature environments with a junction temperature range of -40°C to 125°C.

  8. Q: What type of package does the LMR342FVT-GE2 come in? A: The LMR342FVT-GE2 is available in a small, surface-mount TO-263-7 package.

  9. Q: Can the LMR342FVT-GE2 be used in automotive applications? A: Yes, the LMR342FVT-GE2 is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  10. Q: Are there any evaluation boards or reference designs available for the LMR342FVT-GE2? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help users quickly prototype and implement the LMR342FVT-GE2 in their technical solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.