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ISL97635IRZ
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ISL97635IRZ

Product Overview

Category

ISL97635IRZ belongs to the category of integrated circuits (ICs).

Use

The ISL97635IRZ IC is commonly used for controlling and driving LED backlighting in LCD displays.

Characteristics

  • The ISL97635IRZ is a highly efficient LED driver with a wide input voltage range.
  • It supports both boost and buck-boost topologies, allowing it to drive multiple LEDs in series or parallel.
  • This IC offers excellent dimming control options, including analog, PWM, and hybrid dimming.
  • It has built-in protection features such as overvoltage, overcurrent, and thermal shutdown.

Package

The ISL97635IRZ is available in a small outline package (SOP) with 16 pins.

Essence

The essence of the ISL97635IRZ lies in its ability to efficiently drive and control LED backlighting in LCD displays, providing optimal brightness and dimming capabilities.

Packaging/Quantity

The ISL97635IRZ is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: Up to 40V
  • Maximum Output Current: 1.2A
  • Dimming Control Options: Analog, PWM, Hybrid
  • Efficiency: Up to 92%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL97635IRZ has 16 pins arranged as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. DIM: Dimming Control Input
  5. FB: Feedback Pin
  6. EN: Enable 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

Functional Features

  • Wide input voltage range allows for versatile applications.
  • Supports both boost and buck-boost topologies, providing flexibility in LED configurations.
  • Multiple dimming control options enable precise brightness adjustment.
  • Built-in protection features ensure safe operation and longevity of the IC.

Advantages and Disadvantages

Advantages

  • High efficiency results in lower power consumption and reduced heat generation.
  • Versatile dimming control options allow for customization based on specific requirements.
  • Wide input voltage range provides compatibility with various power sources.
  • Built-in protection features enhance reliability and protect against potential damage.

Disadvantages

  • Limited maximum output current may not be suitable for high-power LED applications.
  • The small outline package (SOP) may require additional thermal management measures for efficient heat dissipation.

Working Principles

The ISL97635IRZ operates by converting the input voltage to a higher or lower voltage level, depending on the desired LED configuration. It regulates the output voltage to drive the LEDs with optimal current, ensuring consistent brightness. The dimming control input adjusts the LED brightness by modulating the output current. The IC incorporates various protection mechanisms to safeguard against overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

The ISL97635IRZ is widely used in various applications that require LED backlighting control, including:

  1. LCD monitors and televisions
  2. Automotive displays and infotainment systems
  3. Portable electronic devices such as smartphones and tablets
  4. Industrial control panels and instrumentation
  5. Signage and advertising displays

Detailed and Complete Alternative Models

  1. ISL97636IRZ: Similar to ISL97635IRZ with enhanced output current capability.
  2. ISL97637IRZ: Higher voltage range variant of ISL97635IRZ for specific applications.
  3. ISL97638IRZ: Lower voltage range variant of ISL97635IRZ suitable for low-power LED applications.

These alternative models offer similar functionalities but may have different specifications or additional features based on specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL97635IRZ dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL97635IRZ in technical solutions:

  1. Q: What is ISL97635IRZ? A: ISL97635IRZ is a highly integrated LED driver IC designed for driving up to 16 LEDs in series.

  2. Q: What is the input voltage range supported by ISL97635IRZ? A: The input voltage range supported by ISL97635IRZ is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97635IRZ support? A: ISL97635IRZ supports a single channel, which can drive up to 16 LEDs in series.

  4. Q: What is the maximum current that ISL97635IRZ can deliver? A: ISL97635IRZ can deliver a maximum current of 100mA per channel.

  5. Q: Can ISL97635IRZ be used for dimming LEDs? A: Yes, ISL97635IRZ supports PWM dimming control with a frequency range of 200Hz to 20kHz.

  6. Q: Does ISL97635IRZ have built-in thermal protection? A: Yes, ISL97635IRZ has built-in thermal protection to prevent overheating.

  7. Q: What is the typical efficiency of ISL97635IRZ? A: The typical efficiency of ISL97635IRZ is around 90%.

  8. Q: Can ISL97635IRZ operate in a wide temperature range? A: Yes, ISL97635IRZ can operate in a temperature range of -40°C to +85°C.

  9. Q: Is ISL97635IRZ compatible with both analog and digital dimming control? A: Yes, ISL97635IRZ supports both analog and digital dimming control methods.

  10. Q: What are some typical applications of ISL97635IRZ? A: ISL97635IRZ is commonly used in backlighting applications for LCD displays, LED signage, automotive lighting, and general lighting solutions.

Please note that the answers provided here are general and may vary depending on specific product specifications and application requirements.