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NJM78LR05BD
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NJM78LR05BD

Product Overview

  • Category: Voltage Regulator
  • Use: Provides stable voltage output for electronic circuits
  • Characteristics: Low dropout, high accuracy, low quiescent current
  • Package: TO-252-3 (DPAK)
  • Essence: Regulates input voltage to a constant output voltage
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 6V to 18V
  • Output Voltage: 5V
  • Output Current: 150mA
  • Dropout Voltage: 0.5V at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Input
  2. Ground
  3. Output

Functional Features

  • Low dropout voltage
  • High accuracy over line and load variations
  • Low quiescent current
  • Thermal shutdown protection
  • Short-circuit protection

Advantages

  • Stable output voltage
  • Wide input voltage range
  • Suitable for battery-powered applications
  • Small package size

Disadvantages

  • Limited output current
  • Higher dropout voltage compared to some alternatives

Working Principles

The NJM78LR05BD is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this by adjusting the resistance to maintain a stable output.

Detailed Application Field Plans

  • Battery-powered devices
  • Portable electronics
  • Automotive applications
  • Industrial control systems

Detailed and Complete Alternative Models

  • LM2937
  • LT1763
  • ADP3338

This completes the entry for NJM78LR05BD, covering its product details, specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

10个与NJM78LR05BD在技术解决方案中的应用相关的常见问题及解答

  1. What is the NJM78LR05BD voltage regulator used for?

    • The NJM78LR05BD is a voltage regulator designed to provide a stable 5V output from a higher input voltage source.

  2. What is the maximum input voltage for the NJM78LR05BD?

    • The maximum input voltage for the NJM78LR05BD is typically around 35V, but it's important to refer to the datasheet for precise specifications.

  3. What is the typical output current capability of the NJM78LR05BD?

    • The NJM78LR05BD can typically provide an output current of up to 100mA, but this may vary based on operating conditions and thermal considerations.

  4. How do I connect the NJM78LR05BD in my circuit?

    • The NJM78LR05BD is typically connected with input and output capacitors to ensure stability and proper operation. Refer to the datasheet for recommended connection diagrams.

  5. What are the key features of the NJM78LR05BD?

    • The NJM78LR05BD features include overcurrent protection, thermal shutdown, and a wide operating temperature range, making it suitable for various applications.

  6. Can the NJM78LR05BD be used in automotive applications?

    • Yes, the NJM78LR05BD is often used in automotive electronics due to its robust design and ability to handle automotive voltage fluctuations.

  7. What are some common applications for the NJM78LR05BD?

    • Common applications for the NJM78LR05BD include powering microcontrollers, sensors, and other low-power electronic components in various technical solutions.

  8. Does the NJM78LR05BD require a heat sink?

    • Whether a heat sink is required depends on the specific application and the power dissipation of the regulator. It's important to calculate the power dissipation and refer to the datasheet for thermal considerations.

  9. What are the potential issues when using the NJM78LR05BD?

    • Potential issues may include input voltage transients, thermal management, and ensuring proper decoupling and stability in the circuit.

  10. Where can I find the datasheet for the NJM78LR05BD?

    • The datasheet for the NJM78LR05BD can typically be found on the manufacturer's website or through authorized distributors.