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LP2997MR/NOPB
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LP2997MR/NOPB

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, adjustable output voltage
  • Package: 8-pin SOIC package
  • Essence: Regulates input voltage to provide a stable output voltage
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 2.25V to 5.5V
  • Output Voltage Range: 1.2V to 3.3V
  • Dropout Voltage: 300mV at 150mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Pin 1) - Input Voltage
  2. GND (Pin 2) - Ground
  3. FB (Pin 3) - Feedback Voltage
  4. EN (Pin 4) - Enable
  5. VOUT (Pin 5) - Output Voltage
  6. NC (Pin 6) - No Connection
  7. NC (Pin 7) - No Connection
  8. PGND (Pin 8) - Power Ground

Functional Features

  • Adjustable Output Voltage
  • Thermal Shutdown Protection
  • Short-Circuit and Overcurrent Protection
  • Low Dropout Voltage

Advantages and Disadvantages

Advantages

  • Wide Input Voltage Range
  • Low Quiescent Current
  • Small Package Size
  • High Efficiency

Disadvantages

  • Limited Output Current
  • Requires External Capacitors for Stability

Working Principles

The LP2997MR/NOPB is a voltage regulator that maintains a stable output voltage regardless of changes in the input voltage or load. It achieves this by using feedback to adjust its internal circuitry, ensuring the output voltage remains within the specified range.

Detailed Application Field Plans

The LP2997MR/NOPB is suitable for various applications requiring a stable voltage supply, such as battery-powered devices, portable electronics, and industrial control systems. Its low dropout voltage and thermal shutdown protection make it ideal for applications where power efficiency and reliability are crucial.

Detailed and Complete Alternative Models

  • LM2937IMPX-3.3/NOPB
  • LT1763CS8-3.3#PBF
  • MAX8881EUT33+

In conclusion, the LP2997MR/NOPB is a versatile voltage regulator with a wide input voltage range, making it suitable for various applications where stable and efficient power supply is essential.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LP2997MR/NOPB dalam penyelesaian teknikal

  1. What is the input voltage range for LP2997MR/NOPB?
    - The input voltage range for LP2997MR/NOPB is 2.25V to 5.5V.

  2. What is the typical output current of LP2997MR/NOPB?
    - The typical output current of LP2997MR/NOPB is 500mA.

  3. Can LP2997MR/NOPB be used in automotive applications?
    - Yes, LP2997MR/NOPB is suitable for automotive applications.

  4. What is the operating temperature range for LP2997MR/NOPB?
    - The operating temperature range for LP2997MR/NOPB is -40°C to 125°C.

  5. Does LP2997MR/NOPB have overcurrent protection?
    - Yes, LP2997MR/NOPB features overcurrent protection.

  6. Is LP2997MR/NOPB compatible with ceramic capacitors?
    - Yes, LP2997MR/NOPB is compatible with ceramic capacitors.

  7. Can LP2997MR/NOPB be used in battery-powered applications?
    - Yes, LP2997MR/NOPB is suitable for battery-powered applications.

  8. What is the dropout voltage of LP2997MR/NOPB?
    - The dropout voltage of LP2997MR/NOPB is typically 300mV at 500mA.

  9. Does LP2997MR/NOPB require an external compensation network?
    - No, LP2997MR/NOPB does not require an external compensation network.

  10. Is LP2997MR/NOPB available in a small package size?
    - Yes, LP2997MR/NOPB is available in a small 8-pin VSSOP package.