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ISL97683IRTZ-T
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ISL97683IRTZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Compact size - Wide input voltage range - Dimming control options - Over-temperature protection - Short-circuit protection

Package: QFN (Quad Flat No-leads)

Essence: The ISL97683IRTZ-T is a high-efficiency LED driver IC designed for driving multiple LEDs in series. It provides a constant current output, ensuring uniform brightness across the connected LEDs.

Packaging/Quantity: The ISL97683IRTZ-T is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Current Range: Up to 1.2A
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Over-Temperature Protection Threshold: 150°C
  • Short-Circuit Protection: Yes

Pin Configuration

The ISL97683IRTZ-T has a total of 24 pins. Here is the detailed pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VCC: Power supply voltage
  4. EN: Enable pin
  5. DIM: Dimming control input
  6. FB: Feedback pin
  7. ADJ: Adjustable reference voltage
  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
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection
  21. NC: No connection
  22. NC: No connection
  23. NC: No connection
  24. NC: No connection

Functional Features

  • Constant current output for uniform LED brightness
  • Wide input voltage range allows for versatile applications
  • Dimming control options enable brightness adjustment
  • Over-temperature protection ensures safe operation
  • Short-circuit protection prevents damage to the IC and LEDs

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Compact size allows for space-saving designs - Wide input voltage range accommodates various power sources - Dimming control options provide flexibility in lighting applications - Over-temperature and short-circuit protection enhance reliability

Disadvantages: - Limited maximum output current (up to 1.2A) - Requires external components for proper operation

Working Principles

The ISL97683IRTZ-T operates by converting the input voltage into a constant current output suitable for driving LEDs. It utilizes a feedback mechanism to regulate the current and maintain uniform brightness across the connected LEDs. The dimming control feature allows for adjusting the LED brightness according to the desired level.

Detailed Application Field Plans

The ISL97683IRTZ-T is commonly used in various lighting applications, including: - Backlighting for LCD displays - Automotive interior and exterior lighting - General illumination - Architectural lighting - Signage and advertising displays

Alternative Models

Here are some alternative models that can be considered as alternatives to the ISL97683IRTZ-T: - LT3479: LED driver with similar features and performance - TPS61165: Step-up LED driver with integrated boost converter - MAX16834: High-voltage LED driver with built-in fault protection

These alternative models offer similar functionality and can be suitable replacements depending on specific requirements.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng ISL97683IRTZ-T trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of ISL97683IRTZ-T in technical solutions:

  1. Q: What is ISL97683IRTZ-T? A: ISL97683IRTZ-T is a high-efficiency, 6-channel LED driver designed for driving backlight LEDs in LCD displays.

  2. Q: What is the maximum input voltage supported by ISL97683IRTZ-T? A: The maximum input voltage supported by ISL97683IRTZ-T is typically 26V.

  3. Q: How many channels does ISL97683IRTZ-T support? A: ISL97683IRTZ-T supports up to 6 channels, allowing you to control multiple LEDs independently.

  4. Q: Can ISL97683IRTZ-T be used for dimming LEDs? A: Yes, ISL97683IRTZ-T provides PWM dimming control for each channel, allowing you to adjust the brightness of individual LEDs.

  5. Q: What is the maximum current per channel that ISL97683IRTZ-T can handle? A: ISL97683IRTZ-T can handle a maximum current of 30mA per channel.

  6. Q: Does ISL97683IRTZ-T have built-in thermal protection? A: Yes, ISL97683IRTZ-T has built-in thermal protection to prevent overheating and ensure safe operation.

  7. Q: Can ISL97683IRTZ-T operate in a wide temperature range? A: Yes, ISL97683IRTZ-T is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  8. Q: Is ISL97683IRTZ-T compatible with different types of LEDs? A: Yes, ISL97683IRTZ-T is compatible with a wide range of LEDs, including white, RGB, and multi-color LEDs.

  9. Q: Does ISL97683IRTZ-T require any external components for operation? A: Yes, ISL97683IRTZ-T requires external resistors and capacitors to set the LED current and control the dimming function.

  10. Q: Can ISL97683IRTZ-T be used in battery-powered applications? A: Yes, ISL97683IRTZ-T has low quiescent current and can be used in battery-powered applications, helping to conserve power.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.