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ISL97677IRZ
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ISL97677IRZ

Product Overview

Category

ISL97677IRZ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Efficient LED driver with high precision current matching
  • Wide input voltage range
  • Low dropout voltage
  • PWM dimming control
  • Overvoltage protection
  • Thermal shutdown protection

Package

ISL97677IRZ is available in a small outline package (SOP) with 16 pins.

Essence

The essence of ISL97677IRZ lies in its ability to provide efficient and precise control over LED backlighting in LCD displays.

Packaging/Quantity

ISL97677IRZ is typically packaged in reels, with each reel containing 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Current Range: Up to 1.2A
  • Dimming Control: PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-16

Detailed Pin Configuration

  1. VCC
  2. GND
  3. FB
  4. EN
  5. DIM
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. LX

Functional Features

  • High efficiency LED driver
  • Precise current matching for uniform backlighting
  • Wide input voltage range allows for versatile applications
  • PWM dimming control enables brightness adjustment
  • Overvoltage protection safeguards the circuitry
  • Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages

  • Efficient and precise LED backlight control
  • Wide input voltage range for flexibility
  • PWM dimming control for brightness adjustment
  • Overvoltage and thermal protection for circuit safety

Disadvantages

  • Limited output current range (up to 1.2A)

Working Principles

ISL97677IRZ operates by converting the input voltage into a regulated current source for driving LED backlighting. It utilizes pulse width modulation (PWM) to control the brightness of the LEDs. The IC ensures uniform backlighting by providing high precision current matching.

Detailed Application Field Plans

ISL97677IRZ finds extensive application in various LCD display devices, including: - Televisions - Computer monitors - Automotive displays - Industrial equipment displays - Handheld devices (e.g., smartphones, tablets)

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL97677IRZ are: - LT3597 - TPS61165 - MAX16834 - BD8381EFV

These models offer similar functionalities and can be used as substitutes depending on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL97677IRZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL97677IRZ in technical solutions:

  1. Q: What is ISL97677IRZ? A: ISL97677IRZ 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 ISL97677IRZ? A: The input voltage range supported by ISL97677IRZ is typically between 4.5V and 26V.

  3. Q: How many channels can ISL97677IRZ drive? A: ISL97677IRZ can drive up to 6 channels of LEDs independently.

  4. Q: What is the maximum current per channel that ISL97677IRZ can handle? A: ISL97677IRZ can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97677IRZ support dimming functionality? A: Yes, ISL97677IRZ supports both analog and PWM dimming control methods.

  6. Q: Is ISL97677IRZ compatible with different types of LEDs? A: Yes, ISL97677IRZ is compatible with various types of LEDs, including white, RGB, and multi-string LEDs.

  7. Q: Does ISL97677IRZ have built-in protection features? A: Yes, ISL97677IRZ includes overvoltage protection (OVP), open/shorted LED detection, and thermal shutdown protection.

  8. Q: Can ISL97677IRZ operate in a wide temperature range? A: Yes, ISL97677IRZ is designed to operate in a temperature range of -40°C to +85°C.

  9. Q: What is the typical efficiency of ISL97677IRZ? A: The typical efficiency of ISL97677IRZ is around 90%, ensuring high power conversion efficiency.

  10. Q: Is ISL97677IRZ suitable for automotive applications? A: Yes, ISL97677IRZ is suitable for automotive applications as it meets the requirements for automotive-grade reliability and performance.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of ISL97677IRZ.