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LED7707
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LED7707

Product Overview

  • Category: LED Driver
  • Use: Powering and controlling LEDs
  • Characteristics:
    • High efficiency
    • Compact size
    • Wide input voltage range
    • Dimming capabilities
  • Package: SOP-8
  • Essence: Integrated circuit for LED driving
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Current Range: 100mA to 1A
  • Switching Frequency: 200kHz to 2MHz
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LED7707 package (SOP-8) has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. DIM: Dimming control input
  4. VCC: Supply voltage for internal circuitry
  5. FB: Feedback pin for regulating output current
  6. EN: Enable pin for turning on/off the driver
  7. SW: Switch node for connecting the inductor
  8. LX: Output current path

Functional Features

  • Integrated boost converter for efficient power conversion
  • Adjustable output current through feedback control
  • Wide input voltage range allows for versatile applications
  • Dimming control for brightness adjustment
  • Over-temperature and over-voltage protection
  • Short-circuit protection for LED load

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Compact size enables space-saving designs - Wide input voltage range accommodates various power sources - Dimming capabilities provide flexibility in lighting applications

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The LED7707 is a boost converter-based LED driver. It takes an input voltage within the specified range and boosts it to provide a regulated output current for driving LEDs. The feedback pin (FB) monitors the output current and adjusts the duty cycle of the internal switch to maintain the desired current level. The dimming control input (DIM) allows for analog or PWM dimming, enabling brightness adjustment.

Detailed Application Field Plans

The LED7707 is suitable for various LED lighting applications, including:

  1. Residential lighting: LED bulbs, downlights, and strip lights
  2. Commercial lighting: Office lighting, retail displays, and signage
  3. Automotive lighting: Interior and exterior LED lighting in vehicles
  4. Industrial lighting: High-bay lighting, warehouse illumination
  5. Outdoor lighting: Streetlights, landscape lighting, and architectural lighting

Detailed and Complete Alternative Models

  1. LED7706: Similar specifications but with a lower output current range (50mA to 500mA)
  2. LED7708: Similar specifications but with a higher output current range (200mA to 2A)
  3. LED7710: Similar specifications but with additional features like fault detection and protection

(Note: These alternative models are provided as examples and may not cover all available options in the market.)

This encyclopedia entry provides an overview of the LED7707 LED driver, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LED7707 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LED7707 in technical solutions:

  1. Q: What is LED7707? A: LED7707 is a specific model of LED driver IC (integrated circuit) used for controlling and powering LEDs in various applications.

  2. Q: What is the maximum current that LED7707 can handle? A: The LED7707 can handle a maximum current of 700 mA.

  3. Q: Can I use LED7707 with different types of LEDs? A: Yes, LED7707 is compatible with a wide range of LEDs, including both low-power and high-power LEDs.

  4. Q: How many LEDs can be controlled by a single LED7707 IC? A: The LED7707 can control up to 6 individual LEDs.

  5. Q: Does LED7707 support dimming functionality? A: Yes, LED7707 supports dimming functionality through various methods such as PWM (Pulse Width Modulation) or analog dimming.

  6. Q: What is the input voltage range for LED7707? A: The LED7707 has an input voltage range of 8V to 40V.

  7. Q: Can LED7707 operate in both constant current and constant voltage modes? A: Yes, LED7707 can operate in both constant current and constant voltage modes, depending on the application requirements.

  8. Q: Is LED7707 suitable for automotive lighting applications? A: Yes, LED7707 is designed to meet the stringent requirements of automotive lighting applications, including thermal management and EMI (Electromagnetic Interference) performance.

  9. Q: Does LED7707 have built-in protection features? A: Yes, LED7707 incorporates various protection features such as over-temperature protection, over-voltage protection, and short-circuit protection.

  10. Q: Can LED7707 be used in outdoor lighting applications? A: Yes, LED7707 is suitable for outdoor lighting applications due to its wide input voltage range and robust design.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.