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ISL97645IRZ-TK
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ISL97645IRZ-TK

Product Overview

Category

ISL97645IRZ-TK belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED backlights in LCD displays.

Characteristics

  • High efficiency and precision LED current control
  • Wide input voltage range
  • Low dropout voltage
  • Dimming control options
  • Thermal protection

Package

ISL97645IRZ-TK is available in a small outline package (SOP) with 16 pins.

Essence

The essence of ISL97645IRZ-TK lies in its ability to efficiently drive LED backlights, ensuring optimal performance and energy savings in LCD displays.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Voltage Range: 20V to 80V
  • Maximum Output Current: 120mA
  • Dimming Control Options: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of ISL97645IRZ-TK is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. VOUT: Output voltage
  4. DIM: Dimming control input
  5. FB: Feedback voltage input
  6. EN: Enable control input
  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

  • Efficient LED current control
  • Wide input voltage range for versatile applications
  • Dimming control options for brightness adjustment
  • Thermal protection to prevent overheating

Advantages and Disadvantages

Advantages

  • High efficiency LED driving
  • Precise current control
  • Wide input voltage range allows for flexibility in design
  • Dimming control options provide brightness adjustment
  • Thermal protection ensures safe operation

Disadvantages

  • Limited maximum output current (120mA)
  • Not suitable for high-power LED applications

Working Principles

ISL97645IRZ-TK operates by converting the input voltage to a higher output voltage required for driving LED backlights. It incorporates a feedback mechanism to regulate the LED current, ensuring consistent brightness levels. The dimming control input allows for adjusting the LED brightness according to the desired level.

Detailed Application Field Plans

ISL97645IRZ-TK finds extensive application in various fields, including: 1. LCD monitors 2. LCD televisions 3. Automotive displays 4. Industrial control panels 5. Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL97645IRZ-TK are: 1. LT3597 2. MAX16834 3. TPS61165

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL97645IRZ-TK v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL97645IRZ-TK in technical solutions:

  1. Q: What is ISL97645IRZ-TK? A: ISL97645IRZ-TK is a high-efficiency, 6-channel LED driver designed for backlighting applications in LCD displays.

  2. Q: What is the input voltage range of ISL97645IRZ-TK? A: The input voltage range of ISL97645IRZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97645IRZ-TK support? A: ISL97645IRZ-TK supports up to 6 channels, allowing you to control multiple LEDs independently.

  4. Q: Can ISL97645IRZ-TK be used for dimming LEDs? A: Yes, ISL97645IRZ-TK provides PWM dimming control for each channel, allowing precise brightness adjustment.

  5. Q: What is the maximum current per channel that ISL97645IRZ-TK can handle? A: ISL97645IRZ-TK can handle a maximum current of 60mA per channel.

  6. Q: Is ISL97645IRZ-TK compatible with different types of LEDs? A: Yes, ISL97645IRZ-TK is compatible with various types of LEDs, including white, RGB, and multi-color LEDs.

  7. Q: Does ISL97645IRZ-TK have built-in thermal protection? A: Yes, ISL97645IRZ-TK features built-in thermal protection to prevent overheating and ensure safe operation.

  8. Q: Can ISL97645IRZ-TK be controlled using an I2C interface? A: No, ISL97645IRZ-TK does not support I2C control. It uses a simple PWM control scheme.

  9. Q: What is the typical efficiency of ISL97645IRZ-TK? A: The typical efficiency of ISL97645IRZ-TK is around 90%, making it highly efficient for LED backlighting applications.

  10. Q: Is ISL97645IRZ-TK suitable for automotive applications? A: Yes, ISL97645IRZ-TK is designed to meet the requirements of automotive applications, including temperature and voltage ranges.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of ISL97645IRZ-TK.