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ISL97686IBZ-T
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ISL97686IBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

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

Package: 20-Lead SOIC package

Essence: The ISL97686IBZ-T is a high-efficiency LED driver IC designed for driving multiple strings of LEDs in backlight applications.

Packaging/Quantity: The ISL97686IBZ-T is available in a 20-Lead Small Outline Integrated Circuit (SOIC) package. It is typically sold in reels containing 2500 units per reel.

Specifications

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

Detailed Pin Configuration

The ISL97686IBZ-T has a total of 20 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. NC: No connection
  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

Functional Features

  • High efficiency conversion of input voltage to output voltage for LED driving
  • Dimming control allows adjustment of LED brightness
  • Over-temperature protection prevents damage due to excessive heat
  • Short-circuit protection safeguards the LED driver and connected LEDs

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Wide input voltage range allows compatibility with various power sources - Dimming control provides flexibility in adjusting LED brightness - Over-temperature and short-circuit protection enhance reliability and safety

Disadvantages: - Limited maximum output current may restrict usage in high-power LED applications - Requires external components for proper operation

Working Principles

The ISL97686IBZ-T operates by converting the input voltage to a higher output voltage suitable for driving multiple strings of LEDs. It utilizes pulse width modulation (PWM) dimming control to adjust the LED brightness. The IC incorporates over-temperature and short-circuit protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The ISL97686IBZ-T is commonly used in backlight applications, such as LCD monitors, TVs, and automotive displays. It can efficiently drive multiple strings of LEDs, providing uniform and adjustable backlighting.

Detailed and Complete Alternative Models

  1. ISL97687IBZ-T: Similar LED driver IC with higher maximum output current (1.5A)
  2. ISL97688IBZ-T: LED driver IC with additional features like fault detection and diagnostic capabilities
  3. ISL97689IBZ-T: LED driver IC optimized for specific display technologies, such as OLED or AMOLED

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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10 domande e risposte comuni relative all'applicazione di ISL97686IBZ-T nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of ISL97686IBZ-T in technical solutions:

  1. Q: What is ISL97686IBZ-T? A: ISL97686IBZ-T is a high-efficiency, 6-channel LED driver designed for backlighting LCD displays.

  2. Q: What is the input voltage range of ISL97686IBZ-T? A: The input voltage range of ISL97686IBZ-T is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97686IBZ-T support? A: ISL97686IBZ-T supports up to 6 channels, allowing control of multiple LEDs simultaneously.

  4. Q: What is the maximum current per channel that ISL97686IBZ-T can handle? A: ISL97686IBZ-T can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97686IBZ-T be used for both analog and PWM dimming? A: Yes, ISL97686IBZ-T supports both analog and PWM dimming methods for controlling LED brightness.

  6. Q: Does ISL97686IBZ-T have built-in thermal protection? A: Yes, ISL97686IBZ-T has built-in thermal protection to prevent overheating and ensure safe operation.

  7. Q: Can ISL97686IBZ-T operate in a wide temperature range? A: Yes, ISL97686IBZ-T is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  8. Q: Is ISL97686IBZ-T compatible with different types of LEDs? A: Yes, ISL97686IBZ-T is compatible with a wide range of LEDs, including white, RGB, and multi-color LEDs.

  9. Q: Does ISL97686IBZ-T require any external components for operation? A: Yes, ISL97686IBZ-T requires external resistors and capacitors for proper operation and LED current control.

  10. Q: What are some typical applications of ISL97686IBZ-T? A: ISL97686IBZ-T is commonly used in LCD TVs, monitors, automotive displays, industrial equipment, and other backlighting applications.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of ISL97686IBZ-T in different technical solutions.