Intersil
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
ISL97677IRZ-TK
Ver Detalle Hojas de datos

ISL97677IRZ-TK

Product Overview

Category

ISL97677IRZ-TK belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High efficiency and low power consumption
  • Wide input voltage range
  • Multiple dimming control options
  • Overvoltage and overcurrent protection
  • Compact package size

Package

ISL97677IRZ-TK is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL97677IRZ-TK lies in its ability to efficiently drive and control LED backlighting, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

This IC 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 200V
  • Maximum Output Current: 1.2A
  • Dimming Control Options: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOIC-16

Detailed Pin Configuration

The ISL97677IRZ-TK IC has a total of 16 pins. The pin configuration 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 backlighting control
  • Multiple dimming control options for brightness adjustment
  • Overvoltage and overcurrent protection for enhanced safety
  • Wide input voltage range for versatile applications
  • Compact package size for space-constrained designs

Advantages and Disadvantages

Advantages

  • High efficiency, resulting in lower power consumption
  • Versatile dimming control options for optimal brightness adjustment
  • Robust protection features ensure safe operation
  • Wide input voltage range allows for flexible usage
  • Compact package size enables integration into various devices

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Requires additional external components for proper operation

Working Principles

ISL97677IRZ-TK operates by converting the input voltage to a higher output voltage required for driving LED backlighting. It utilizes a combination of control circuitry, feedback mechanisms, and protection features to regulate the output voltage and current. The dimming control input allows for adjusting the brightness of the LED backlighting.

Detailed Application Field Plans

ISL97677IRZ-TK is widely used in various applications that require LED backlighting control, such as: - LCD monitors and televisions - Automotive displays - Industrial control panels - Portable electronic devices - Signage and advertising displays

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL97677IRZ-TK are: - LT3597: Similar functionality with additional features - TPS61165: Higher output current capability - MAX16834: Integrated boost converter with dimming control

These alternative models offer similar functionalities and can be chosen based on specific requirements and design considerations.

Word count: 439 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL97677IRZ-TK en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL97677IRZ-TK in technical solutions:

  1. Q: What is ISL97677IRZ-TK? A: ISL97677IRZ-TK is a high-efficiency, 6-channel LED driver designed for driving backlight LEDs in LCD displays.

  2. Q: What is the input voltage range for ISL97677IRZ-TK? A: The input voltage range for ISL97677IRZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97677IRZ-TK support? A: ISL97677IRZ-TK supports up to 6 channels, allowing you to control multiple LEDs independently.

  4. Q: What is the maximum current per channel that ISL97677IRZ-TK can handle? A: ISL97677IRZ-TK can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97677IRZ-TK be used for dimming LEDs? A: Yes, ISL97677IRZ-TK supports PWM dimming, allowing you to adjust the brightness of the LEDs.

  6. Q: Does ISL97677IRZ-TK have built-in thermal protection? A: Yes, ISL97677IRZ-TK has built-in thermal protection to prevent overheating.

  7. Q: Can ISL97677IRZ-TK be used in automotive applications? A: Yes, ISL97677IRZ-TK is suitable for automotive applications as it operates over a wide temperature range and has ESD protection.

  8. Q: What is the typical efficiency of ISL97677IRZ-TK? A: The typical efficiency of ISL97677IRZ-TK is around 90%, ensuring minimal power loss.

  9. Q: Does ISL97677IRZ-TK require external components for operation? A: Yes, ISL97677IRZ-TK requires external resistors and capacitors for proper operation.

  10. Q: Is ISL97677IRZ-TK RoHS compliant? A: Yes, ISL97677IRZ-TK is RoHS compliant, meeting the environmental standards for hazardous substances.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.