ISL97687IBZ

Product Overview

The ISL97687IBZ belongs to the category of LED drivers and is commonly used for driving LED backlights in LCD displays. This integrated circuit offers characteristics such as high efficiency, precise current regulation, and dimming control. The package type for the ISL97687IBZ is a 24-lead QSOP, and it is available in various packaging quantities. Its essence lies in providing efficient and reliable LED backlighting solutions for a wide range of display applications.

Specifications

• Input Voltage Range: 2.4V to 5.5V
• Output Voltage Range: Up to 38V
• Maximum Output Current: 30mA
• Dimming Control: PWM and Analog
• Package Type: 24-lead QSOP

Detailed Pin Configuration

The ISL97687IBZ features a 24-pin configuration with specific pins dedicated to input voltage, output voltage, dimming control, and other essential functions. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• High Efficiency: The ISL97687IBZ offers high efficiency in driving LED backlights, contributing to energy savings and prolonged battery life in portable devices.
• Precise Current Regulation: It provides precise current regulation, ensuring consistent brightness levels across the LED backlight.
• Dimming Control: The IC supports both PWM and analog dimming control, allowing for versatile brightness adjustment.

Advantages and Disadvantages

Advantages

• High efficiency
• Precise current regulation
• Versatile dimming control options

Disadvantages

• Limited maximum output current compared to some alternative models
• May require additional components for certain applications

Working Principles

The ISL97687IBZ operates by converting the input voltage to a higher output voltage suitable for driving LED backlights. It regulates the current flowing through the LEDs, ensuring uniform brightness. The dimming control feature modulates the LED brightness based on the input signal, providing flexibility in adjusting the display's luminance.

Detailed Application Field Plans

The ISL97687IBZ is widely used in various display applications, including: - LCD Monitors - Notebook Computers - Automotive Infotainment Systems - Industrial Displays - Portable Electronic Devices

Detailed and Complete Alternative Models

Some alternative models to the ISL97687IBZ include: - MP3302 from Monolithic Power Systems - LT3596 from Analog Devices - BD9428F from Rohm Semiconductor

These alternatives offer similar functionality and are suitable for driving LED backlights in display applications.

In conclusion, the ISL97687IBZ is a highly efficient LED driver IC designed for driving LED backlights in a wide range of display applications. With precise current regulation, dimming control options, and a compact package, it provides an effective solution for achieving uniform and adjustable brightness in displays.

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