Intersil
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
ISL97678IRZ
Lihat Detail Lembar Data

ISL97678IRZ

Product Overview

Category

ISL97678IRZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for controlling and driving LED backlighting.

Characteristics

  • Integrated circuit designed specifically for LED backlighting applications.
  • Provides high efficiency and precise current regulation.
  • Offers a wide dimming range for adjusting brightness levels.
  • Supports multiple LED strings with individual control.

Package

ISL97678IRZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL97678IRZ lies in its ability to efficiently regulate and control the current flowing through LED backlighting systems, enabling precise brightness adjustment.

Packaging/Quantity

ISL97678IRZ is typically packaged in reels containing 250 units.

Specifications

  • Input voltage range: 4.5V to 26V
  • Output voltage range: 0.6V to 24V
  • Maximum output current: 1.2A
  • Dimming control: PWM or DC voltage
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage
  2. GND: Ground
  3. VOUT: Output voltage
  4. DIM: Dimming control input
  5. FB: Feedback pin for current regulation
  6. EN: Enable pin for turning the device on/off

Functional Features

  • High-efficiency boost converter for driving LED strings.
  • Precise current regulation for uniform brightness.
  • Wide dimming range for flexible brightness adjustment.
  • Multiple LED string support with individual control.
  • Overvoltage and overcurrent protection.

Advantages and Disadvantages

Advantages

  • Efficient and precise current regulation.
  • Wide dimming range for flexible brightness control.
  • Supports multiple LED strings with individual control.
  • Provides overvoltage and overcurrent protection.

Disadvantages

  • Limited maximum output current (1.2A).
  • Requires external components for operation.

Working Principles

ISL97678IRZ operates as a boost converter, converting the input voltage to a higher output voltage suitable for driving LED strings. It regulates the current flowing through the LEDs, ensuring uniform brightness. The dimming control input allows for adjusting the brightness level using either pulse-width modulation (PWM) or a DC voltage signal.

Detailed Application Field Plans

ISL97678IRZ finds applications in various electronic devices that utilize LED backlighting, including: - LCD monitors and televisions - Automotive displays - Portable electronic devices (e.g., smartphones, tablets) - Industrial control panels - Signage and advertising displays

Detailed and Complete Alternative Models

Some alternative models to ISL97678IRZ include: - LT3763 - TPS61165 - AP3034 - BD8381EFV

These alternatives offer similar functionality and can be considered based on specific requirements and availability.

Word count: 386 words

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ISL97678IRZ dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of ISL97678IRZ in technical solutions:

  1. Q: What is ISL97678IRZ? A: ISL97678IRZ is a high-efficiency, 8-channel LED driver designed for driving LEDs in backlighting applications.

  2. Q: What is the input voltage range supported by ISL97678IRZ? A: The input voltage range supported by ISL97678IRZ is typically between 4.5V and 26V.

  3. Q: How many channels can ISL97678IRZ drive? A: ISL97678IRZ can drive up to 8 channels of LEDs.

  4. Q: What is the maximum current per channel that ISL97678IRZ can handle? A: ISL97678IRZ can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97678IRZ support dimming functionality? A: Yes, ISL97678IRZ supports both analog and PWM dimming control.

  6. Q: Does ISL97678IRZ have built-in thermal protection? A: Yes, ISL97678IRZ has built-in thermal protection to prevent overheating.

  7. Q: Can ISL97678IRZ operate in a wide temperature range? A: Yes, ISL97678IRZ can operate in a temperature range of -40°C to +85°C.

  8. Q: Is ISL97678IRZ compatible with different types of LEDs? A: Yes, ISL97678IRZ is compatible with various types of LEDs, including white, RGB, and multi-color LEDs.

  9. Q: Does ISL97678IRZ require any external components for operation? A: Yes, ISL97678IRZ requires external resistors and capacitors for proper operation.

  10. Q: What are some typical applications of ISL97678IRZ? A: ISL97678IRZ is commonly used in LCD monitors, TVs, automotive displays, and general lighting applications.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.