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LM4940TSX/NOPB
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LM4940TSX/NOPB

Product Overview

Category

The LM4940TSX/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and constant output voltage.

Characteristics

  • Input Voltage Range: 7V to 20V
  • Output Voltage: 5V
  • Maximum Output Current: 1A
  • Low Dropout Voltage: 0.5V (at 1A)
  • Thermal Shutdown Protection

Package

The LM4940TSX/NOPB comes in a TO-263 package.

Essence

This voltage regulator is essential for maintaining a steady power supply in various electronic applications.

Packaging/Quantity

The LM4940TSX/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 7V to 20V
  • Output Voltage: 5V
  • Output Current: 1A
  • Dropout Voltage: 0.5V at 1A
  • Operating Temperature Range: -40°C to 125°C
  • Thermal Shutdown Protection: Yes

Detailed Pin Configuration

The LM4940TSX/NOPB has three pins: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

  • Low dropout voltage
  • Thermal shutdown protection
  • Short circuit protection
  • Fast transient response

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Wide input voltage range
  • Thermal shutdown protection for overtemperature conditions

Disadvantages

  • Relatively low maximum output current compared to some other voltage regulators
  • Limited to fixed 5V output voltage

Working Principles

The LM4940TSX/NOPB operates by comparing the reference voltage with the feedback voltage to control the output voltage. It uses a PNP pass transistor to regulate the output voltage and maintain stability.

Detailed Application Field Plans

The LM4940TSX/NOPB is commonly used in various electronic devices and systems, including: - Battery-powered devices - Portable electronic equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LM4940TSX/NOPB include: - LM2937 - LM2940 - LM1117 - LM317

In conclusion, the LM4940TSX/NOPB is a reliable voltage regulator suitable for a wide range of electronic applications, offering stable and regulated output voltage with built-in protection features.

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技術ソリューションにおける LM4940TSX/NOPB の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the input voltage range for LM4940TSX/NOPB?
    - The input voltage range for LM4940TSX/NOPB is 5V to 16V.

  2. What is the maximum output current of LM4940TSX/NOPB?
    - The maximum output current of LM4940TSX/NOPB is 1A.

  3. Can LM4940TSX/NOPB be used in automotive applications?
    - Yes, LM4940TSX/NOPB can be used in automotive applications.

  4. What is the typical dropout voltage of LM4940TSX/NOPB?
    - The typical dropout voltage of LM4940TSX/NOPB is 0.5V at 1A load.

  5. Is LM4940TSX/NOPB suitable for low power applications?
    - Yes, LM4940TSX/NOPB is suitable for low power applications.

  6. Does LM4940TSX/NOPB have built-in thermal shutdown protection?
    - Yes, LM4940TSX/NOPB has built-in thermal shutdown protection.

  7. Can LM4940TSX/NOPB be used in battery-powered devices?
    - Yes, LM4940TSX/NOPB can be used in battery-powered devices.

  8. What is the operating temperature range of LM4940TSX/NOPB?
    - The operating temperature range of LM4940TSX/NOPB is -40°C to 125°C.

  9. Is LM4940TSX/NOPB available in a surface mount package?
    - Yes, LM4940TSX/NOPB is available in a surface mount package.

  10. What are the typical applications for LM4940TSX/NOPB?
    - Typical applications for LM4940TSX/NOPB include power supplies, battery chargers, and instrumentation.