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LM3423Q0MHX/NOPB

LM3423Q0MHX/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED driver for lighting applications
  • Characteristics: High efficiency, adjustable output current, wide input voltage range
  • Package: 16-pin HTSSOP package
  • Essence: Efficiently drives LED strings in lighting applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

  • Input Voltage Range: 4.5V to 75V
  • Output Current Range: Up to 1.5A
  • Operating Temperature Range: -40°C to 125°C
  • Dimming Control: Analog/PWM dimming control
  • Protection Features: Over-temperature protection, over-current protection, under-voltage lockout

Detailed Pin Configuration

The LM3423Q0MHX/NOPB features a 16-pin HTSSOP package with the following pin configuration: 1. VIN: Input voltage 2. GND: Ground 3. VCC: Power supply for internal circuitry 4. FB: Feedback pin for setting LED current 5. DIM: Dimming control input 6. EN: Enable pin 7. NC: No connection 8. NC: No connection 9. NC: No connection 10. NC: No connection 11. NC: No connection 12. NC: No connection 13. NC: No connection 14. NC: No connection 15. NC: No connection 16. NC: No connection

Functional Features

  • High Efficiency: Provides efficient power conversion for LED lighting
  • Adjustable Output Current: Allows flexibility in driving different LED configurations
  • Wide Input Voltage Range: Suitable for various power supply designs
  • Dimming Control: Supports analog or PWM dimming for lighting control

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Adjustable output current for versatile LED configurations
  • Wide input voltage range for flexible power supply design

Disadvantages

  • Limited to 1.5A output current, may not be suitable for high-power LED applications
  • Requires external components for full functionality

Working Principles

The LM3423Q0MHX/NOPB is a buck LED driver that efficiently regulates the current through LED strings. It utilizes a feedback mechanism to adjust the output current based on the FB pin voltage. The dimming control input allows for brightness adjustment, while the enable pin provides on/off control.

Detailed Application Field Plans

The LM3423Q0MHX/NOPB is well-suited for various lighting applications, including: - Indoor and outdoor LED lighting fixtures - Automotive LED lighting systems - Architectural and decorative LED lighting - Industrial and commercial LED lighting solutions

Detailed and Complete Alternative Models

  • Alternative Model 1: LM3409HVMAX/NOPB
    • Category: Integrated Circuit (IC)
    • Use: High-voltage LED driver
    • Characteristics: High efficiency, wide input voltage range
    • Package: 16-pin HTSSOP package
    • Essence: Drives high-voltage LED strings
  • Alternative Model 2: LM3410XSD/NOPB
    • Category: Integrated Circuit (IC)
    • Use: LED driver for portable devices
    • Characteristics: Low quiescent current, small package size
    • Package: 6-pin SOT-23 package
    • Essence: Compact LED driver for battery-powered applications

This completes the entry for LM3423Q0MHX/NOPB in the English editing encyclopedia format.

Перечислите 10 распространенных вопросов и ответов, связанных с применением LM3423Q0MHX/NOPB в технических решениях.

  1. What is the maximum input voltage for LM3423Q0MHX/NOPB?
    - The maximum input voltage for LM3423Q0MHX/NOPB is 42V.

  2. What is the typical switching frequency of LM3423Q0MHX/NOPB?
    - The typical switching frequency of LM3423Q0MHX/NOPB is 1.2MHz.

  3. Can LM3423Q0MHX/NOPB be used in automotive lighting applications?
    - Yes, LM3423Q0MHX/NOPB is suitable for automotive lighting applications.

  4. What is the maximum output current capability of LM3423Q0MHX/NOPB?
    - The maximum output current capability of LM3423Q0MHX/NOPB is 3A.

  5. Is LM3423Q0MHX/NOPB compatible with dimming control?
    - Yes, LM3423Q0MHX/NOPB is compatible with dimming control.

  6. Does LM3423Q0MHX/NOPB have built-in overvoltage protection?
    - Yes, LM3423Q0MHX/NOPB has built-in overvoltage protection.

  7. What is the operating temperature range for LM3423Q0MHX/NOPB?
    - The operating temperature range for LM3423Q0MHX/NOPB is -40°C to 125°C.

  8. Can LM3423Q0MHX/NOPB be used in LED backlighting applications?
    - Yes, LM3423Q0MHX/NOPB can be used in LED backlighting applications.

  9. What is the typical efficiency of LM3423Q0MHX/NOPB?
    - The typical efficiency of LM3423Q0MHX/NOPB is 92%.

  10. Is LM3423Q0MHX/NOPB available in a small package size?
    - Yes, LM3423Q0MHX/NOPB is available in a small 16-pin WQFN package.