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ISL97675IRZ
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ISL97675IRZ

Product Overview

Category

ISL97675IRZ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for driving LED backlighting in LCD displays.

Characteristics

  • High efficiency and low power consumption
  • Wide input voltage range
  • Adjustable output current
  • Dimming control options
  • Over-temperature protection
  • Small form factor

Package

ISL97675IRZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL97675IRZ lies in its ability to efficiently drive LED backlighting, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

ISL97675IRZ is typically packaged in reels containing 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Current Range: Up to 1.2A
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 92%

Detailed Pin Configuration

  1. VIN: Input voltage
  2. GND: Ground
  3. DIM: Dimming control input
  4. EN: Enable control input
  5. FB: Feedback voltage input
  6. VOUT: Output voltage
  7. SW: Switch node
  8. LX: Inductor connection

Functional Features

  • Integrated boost converter
  • Adaptive output voltage control
  • Over-temperature protection
  • Soft-start functionality
  • Fault detection and reporting

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Adjustable output current enables customization
  • Dimming control options provide flexibility in brightness adjustment
  • Over-temperature protection ensures safe operation
  • Small form factor facilitates space-constrained designs

Disadvantages

  • Limited output current capacity may not be suitable for high-power applications
  • Analog/PWM dimming control may require additional external components

Working Principles

ISL97675IRZ operates as a boost converter, converting the input voltage to a higher output voltage required for driving LED backlighting. It utilizes a feedback mechanism to regulate the output voltage and current. The dimming control input allows for adjusting the brightness of the LEDs, while the enable control input enables or disables the IC's operation. Over-temperature protection ensures the IC's safe operation under extreme conditions.

Detailed Application Field Plans

ISL97675IRZ finds extensive application in various fields, including: 1. LCD monitors and televisions 2. Laptop and tablet displays 3. Automotive infotainment systems 4. Industrial control panels 5. Medical equipment displays

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL97675IRZ are: 1. LT3763 2. TPS61165 3. MAX16834 4. AP3031

These alternatives can be considered based on specific requirements and design constraints.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL97675IRZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL97675IRZ in technical solutions:

  1. Q: What is ISL97675IRZ? A: ISL97675IRZ is a high-efficiency, 6-channel LED driver designed for driving backlight LEDs in LCD displays.

  2. Q: What is the input voltage range supported by ISL97675IRZ? A: The input voltage range supported by ISL97675IRZ is typically between 4.5V and 26V.

  3. Q: How many channels can ISL97675IRZ drive? A: ISL97675IRZ can drive up to 6 channels of LEDs independently.

  4. Q: What is the maximum current per channel that ISL97675IRZ can handle? A: ISL97675IRZ can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97675IRZ support both analog and PWM dimming? A: Yes, ISL97675IRZ supports both analog and PWM dimming methods for controlling LED brightness.

  6. Q: Is ISL97675IRZ compatible with I2C interface? A: No, ISL97675IRZ does not have an integrated I2C interface. It requires external control signals for dimming.

  7. Q: Does ISL97675IRZ have built-in over-temperature protection? A: Yes, ISL97675IRZ has built-in thermal shutdown protection to prevent damage due to excessive temperature.

  8. Q: Can ISL97675IRZ be used in automotive applications? A: Yes, ISL97675IRZ is suitable for automotive applications as it operates within the required temperature range and has high reliability.

  9. Q: What is the typical efficiency of ISL97675IRZ? A: The typical efficiency of ISL97675IRZ is around 90%, making it highly efficient in driving LED backlighting.

  10. Q: Are there any evaluation boards available for ISL97675IRZ? A: Yes, Intersil provides evaluation boards for ISL97675IRZ, which can help in testing and prototyping applications.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of ISL97675IRZ.