Exar Corporation
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SPX3940T-L-5-0/TR
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SPX3940T-L-5-0/TR

Product Overview

Category

SPX3940T-L-5-0/TR belongs to the category of voltage regulators.

Use

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

Characteristics

  • Voltage regulation capability
  • Compact size
  • High efficiency
  • Low dropout voltage
  • Thermal shutdown protection

Package

The SPX3940T-L-5-0/TR comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The SPX3940T-L-5-0/TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 6V to 20V
  • Output Voltage: 5.0V
  • Output Current: Up to 1A
  • Dropout Voltage: 0.5V (maximum)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SPX3940T-L-5-0/TR has three pins:

  1. Vin (Input Voltage)
  2. Vout (Output Voltage)
  3. GND (Ground)

Functional Features

  • Voltage Regulation: The SPX3940T-L-5-0/TR ensures a stable output voltage of 5.0V regardless of input voltage fluctuations.
  • Thermal Shutdown Protection: In case of excessive temperature, the device shuts down to prevent damage.
  • Low Dropout Voltage: The low dropout voltage ensures efficient power conversion even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Compact size for space-constrained applications
  • High efficiency for reduced power consumption
  • Thermal shutdown protection for enhanced safety

Disadvantages

  • Limited output current capacity (up to 1A)
  • Requires external components for proper operation

Working Principles

The SPX3940T-L-5-0/TR operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

The SPX3940T-L-5-0/TR finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable audio players - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SPX3940T-L-5-0/TR include: - LM7805: A popular linear voltage regulator with similar specifications. - LT1084: A high-current linear voltage regulator suitable for demanding applications. - TPS7A4700: A low-dropout voltage regulator with adjustable output voltage.

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

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng SPX3940T-L-5-0/TR sa mga teknikal na solusyon

  1. What is the input voltage range for SPX3940T-L-5-0/TR?
    - The input voltage range for SPX3940T-L-5-0/TR is 6V to 36V.

  2. What is the output voltage of SPX3940T-L-5-0/TR?
    - The output voltage of SPX3940T-L-5-0/TR is 5V.

  3. What is the maximum output current of SPX3940T-L-5-0/TR?
    - The maximum output current of SPX3940T-L-5-0/TR is 1A.

  4. Is SPX3940T-L-5-0/TR suitable for automotive applications?
    - Yes, SPX3940T-L-5-0/TR is suitable for automotive applications.

  5. Does SPX3940T-L-5-0/TR have overcurrent protection?
    - Yes, SPX3940T-L-5-0/TR has overcurrent protection.

  6. Can SPX3940T-L-5-0/TR operate in a wide temperature range?
    - Yes, SPX3940T-L-5-0/TR can operate in a wide temperature range from -40°C to 125°C.

  7. What type of package does SPX3940T-L-5-0/TR come in?
    - SPX3940T-L-5-0/TR comes in a TO-220 package.

  8. Is SPX3940T-L-5-0/TR RoHS compliant?
    - Yes, SPX3940T-L-5-0/TR is RoHS compliant.

  9. Can SPX3940T-L-5-0/TR be used in industrial control systems?
    - Yes, SPX3940T-L-5-0/TR can be used in industrial control systems.

  10. What is the typical dropout voltage of SPX3940T-L-5-0/TR?
    - The typical dropout voltage of SPX3940T-L-5-0/TR is 0.5V at 1A load.