Diodes Incorporated
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AL8860WT-7
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AL8860WT-7

Product Overview

Category: LED Driver
Use: Powering and controlling LED lighting systems
Characteristics: High efficiency, compact size, wide input voltage range
Package: TO-252-5L (DPAK)
Essence: Constant current LED driver
Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Current Range: 150mA to 1.5A
  • Efficiency: Up to 97%
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Protection Features: Over-temperature, over-voltage, short-circuit

Detailed Pin Configuration

The AL8860WT-7 features a five-pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. DIM: Dimming control pin
  4. VOUT: Output voltage pin
  5. ADJ: Current adjustment pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency reduces power consumption and heat generation
  • Dimming control enables brightness adjustment
  • Over-temperature, over-voltage, and short-circuit protection ensure safety and reliability

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Compact size allows for easy integration into various lighting fixtures - Wide input voltage range accommodates different power sources - Dimming control provides flexibility in lighting design

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Lack of detailed documentation on specific application scenarios

Working Principles

The AL8860WT-7 is a constant current LED driver that regulates the current flowing through the connected LEDs. It utilizes a buck converter topology to efficiently convert the input voltage to a constant current output. The dimming control feature adjusts the duty cycle of the internal PWM signal, thereby controlling the brightness of the LEDs.

Detailed Application Field Plans

The AL8860WT-7 is suitable for various LED lighting applications, including:

  1. Residential lighting
  2. Commercial lighting
  3. Automotive lighting
  4. Industrial lighting
  5. Outdoor lighting

Detailed and Complete Alternative Models

  1. AL8860WT-8: Similar to AL8860WT-7 but with extended input voltage range (up to 60V)
  2. AL8860WT-6: Similar to AL8860WT-7 but with lower output current range (50mA to 500mA)
  3. AL8860WT-9: Similar to AL8860WT-7 but with additional protection features (over-current, reverse polarity)

Note: This list is not exhaustive and there may be other alternative models available in the market.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق AL8860WT-7 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of AL8860WT-7 in technical solutions:

  1. Q: What is AL8860WT-7? A: AL8860WT-7 is a specific model of LED driver IC manufactured by Diodes Incorporated.

  2. Q: What is the input voltage range supported by AL8860WT-7? A: The input voltage range supported by AL8860WT-7 is typically between 4.5V and 60V.

  3. Q: What is the maximum output current that AL8860WT-7 can handle? A: AL8860WT-7 can handle a maximum output current of up to 1.5A.

  4. Q: Can AL8860WT-7 be used for both constant current and constant voltage applications? A: No, AL8860WT-7 is specifically designed for constant current applications only.

  5. Q: What is the typical efficiency of AL8860WT-7? A: The typical efficiency of AL8860WT-7 is around 90%.

  6. Q: Is AL8860WT-7 suitable for driving high-power LEDs? A: Yes, AL8860WT-7 is suitable for driving high-power LEDs as it can provide sufficient current and voltage regulation.

  7. Q: Does AL8860WT-7 have built-in protection features? A: Yes, AL8860WT-7 has built-in protection features such as over-temperature protection, over-voltage protection, and short-circuit protection.

  8. Q: Can AL8860WT-7 be used in automotive lighting applications? A: Yes, AL8860WT-7 is suitable for automotive lighting applications as it can operate within the required voltage range and has automotive-grade reliability.

  9. Q: What is the typical operating frequency of AL8860WT-7? A: The typical operating frequency of AL8860WT-7 is around 1MHz.

  10. Q: Are there any reference designs or application notes available for AL8860WT-7? A: Yes, Diodes Incorporated provides reference designs and application notes that can help in implementing AL8860WT-7 in various technical solutions.

Please note that these answers are general and may vary depending on specific application requirements and manufacturer specifications.