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LM3433SQX/NOPB
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LM3433SQX/NOPB

Product Overview

Category

The LM3433SQX/NOPB belongs to the category of LED drivers.

Use

It is used for driving and controlling LED lighting systems.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Dimming control capability
  • Over-temperature protection

Package

The LM3433SQX/NOPB comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of LM3433SQX/NOPB lies in its ability to efficiently drive and control LED lighting systems with various dimming options.

Packaging/Quantity

The LM3433SQX/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 75V
  • Output Current: Up to 3A
  • Switching Frequency: Adjustable up to 2MHz
  • Operating Temperature Range: -40°C to 125°C
  • Dimming Control: Analog/PWM

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VCC (Supply Voltage)
  4. DIM (Dimming Control)
  5. RT (Timing Resistor)
  6. SW (Switch Node)
  7. FB (Feedback)
  8. PGND (Power Ground)

Functional Features

  • Wide input voltage range for versatile applications
  • Adjustable switching frequency for flexibility
  • Dimming control for brightness adjustment
  • Over-temperature protection for reliability

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Dimming control capability

Disadvantages

  • Limited output current compared to some other models
  • Requires external components for operation

Working Principles

The LM3433SQX/NOPB operates by converting the input voltage to a regulated current source for driving LEDs. It utilizes a switching regulator topology to achieve high efficiency and provides dimming control by adjusting the duty cycle of the output current.

Detailed Application Field Plans

The LM3433SQX/NOPB is suitable for various LED lighting applications, including: - Indoor and outdoor architectural lighting - Automotive lighting - Display backlighting - General illumination

Detailed and Complete Alternative Models

Some alternative models to LM3433SQX/NOPB include: - LM3409 - LM3445 - LM3429

In conclusion, the LM3433SQX/NOPB is a versatile LED driver with a wide input voltage range, dimming control capability, and high efficiency, making it suitable for a variety of LED lighting applications.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LM3433SQX/NOPB :n soveltamiseen teknisissä ratkaisuissa

  1. What is the maximum input voltage for LM3433SQX/NOPB?
    - The maximum input voltage for LM3433SQX/NOPB is 42V.

  2. What is the typical output current capability of LM3433SQX/NOPB?
    - The typical output current capability of LM3433SQX/NOPB is 3A.

  3. Can LM3433SQX/NOPB be used in automotive lighting applications?
    - Yes, LM3433SQX/NOPB is suitable for automotive lighting applications.

  4. What is the recommended operating temperature range for LM3433SQX/NOPB?
    - The recommended operating temperature range for LM3433SQX/NOPB is -40°C to 125°C.

  5. Is LM3433SQX/NOPB compatible with dimming control?
    - Yes, LM3433SQX/NOPB is compatible with dimming control.

  6. Can LM3433SQX/NOPB be used in LED backlighting applications?
    - Yes, LM3433SQX/NOPB is commonly used in LED backlighting applications.

  7. What is the typical efficiency of LM3433SQX/NOPB?
    - The typical efficiency of LM3433SQX/NOPB is 95%.

  8. Does LM3433SQX/NOPB require an external compensation network?
    - No, LM3433SQX/NOPB does not require an external compensation network.

  9. What is the maximum switching frequency of LM3433SQX/NOPB?
    - The maximum switching frequency of LM3433SQX/NOPB is 2MHz.

  10. Is LM3433SQX/NOPB available in a thermally enhanced package?
    - Yes, LM3433SQX/NOPB is available in a thermally enhanced package for improved thermal performance.