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LP3972SQX-A413/NOPB

LP3972SQX-A413/NOPB

Product Overview

  • Category: Voltage Regulator
  • Use: Power management for electronic devices
  • Characteristics: Low dropout voltage, high output accuracy, low quiescent current
  • Package: 16-pin WQFN package
  • Essence: Efficient power regulation for various electronic applications
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV at 1A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Pin 1) - Input voltage
  2. EN (Pin 2) - Enable pin
  3. GND (Pins 3, 4, 5, 6, 7, 8) - Ground
  4. FB (Pin 9) - Feedback pin
  5. VOUT (Pin 10) - Output voltage
  6. PG (Pin 11) - Power good indicator
  7. SS/TR (Pin 12) - Soft-start/tracking
  8. BST (Pin 13) - Bootstrap capacitor connection
  9. SW (Pin 14) - Switch node
  10. AGND (Pin 15) - Analog ground
  11. NC (Pin 16) - No connect

Functional Features

  • High Efficiency: Provides efficient power conversion with minimal energy loss
  • Low Dropout Voltage: Maintains stable output even when input voltage is close to the output voltage
  • Power Good Indicator: Monitors the output voltage status for system reliability
  • Soft-Start/Tracking: Allows controlled startup and tracking of the output voltage

Advantages and Disadvantages

Advantages

  • High output accuracy
  • Low quiescent current
  • Wide input voltage range

Disadvantages

  • Limited maximum output current compared to some alternatives
  • Requires an external bootstrap capacitor

Working Principles

The LP3972SQX-A413/NOPB is a voltage regulator that utilizes a feedback mechanism to maintain a stable output voltage regardless of variations in the input voltage or load conditions. It employs a switching architecture to achieve high efficiency and low dropout voltage, ensuring optimal power management for electronic devices.

Detailed Application Field Plans

The LP3972SQX-A413/NOPB is suitable for a wide range of applications, including: - Portable electronic devices - Battery-powered systems - IoT devices - Wearable electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM1117 - LT1763 - TPS7A47

This concludes the English editing encyclopedia entry structure for LP3972SQX-A413/NOPB.

10个与LP3972SQX-A413/NOPB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 input voltage range of LP3972SQX-A413/NOPB?
    - The input voltage range of LP3972SQX-A413/NOPB is 2.7V to 5.5V.

  2. What is the output current capability of LP3972SQX-A413/NOPB?
    - LP3972SQX-A413/NOPB has an output current capability of up to 300mA.

  3. Can LP3972SQX-A413/NOPB be used in battery-powered applications?
    - Yes, LP3972SQX-A413/NOPB is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.

  4. What are the key features of LP3972SQX-A413/NOPB?
    - The key features of LP3972SQX-A413/NOPB include low dropout voltage, thermal shutdown, and overcurrent protection.

  5. Is LP3972SQX-A413/NOPB suitable for use in automotive electronics?
    - Yes, LP3972SQX-A413/NOPB is designed to meet the requirements for automotive electronics applications.

  6. What is the typical dropout voltage of LP3972SQX-A413/NOPB?
    - The typical dropout voltage of LP3972SQX-A413/NOPB is 200mV at 150mA load current.

  7. Can LP3972SQX-A413/NOPB be used in industrial control systems?
    - Yes, LP3972SQX-A413/NOPB is suitable for use in industrial control systems due to its robust design and wide operating temperature range.

  8. Does LP3972SQX-A413/NOPB have built-in short-circuit protection?
    - Yes, LP3972SQX-A413/NOPB features built-in short-circuit protection to ensure safe operation.

  9. What is the package type of LP3972SQX-A413/NOPB?
    - LP3972SQX-A413/NOPB is available in a small 8-pin WSON package for space-constrained applications.

  10. Is LP3972SQX-A413/NOPB RoHS compliant?
    - Yes, LP3972SQX-A413/NOPB is RoHS compliant, making it suitable for environmentally conscious designs.