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ISL97635AIRZ-T
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ISL97635AIRZ-T

Product Overview

Category

ISL97635AIRZ-T belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a LED driver for display backlighting applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Dimming control capability
  • Low quiescent current
  • Overvoltage protection
  • Thermal shutdown protection

Package

ISL97635AIRZ-T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL97635AIRZ-T lies in its ability to efficiently drive LEDs for display backlighting, providing brightness control and protection features.

Packaging/Quantity

ISL97635AIRZ-T is typically packaged in reels, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Current Range: Up to 1.2A
  • Dimming Control: Analog/PWM
  • Quiescent Current: 1.5mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. DIM: Dimming control pin
  4. FB: Feedback pin
  5. EN: Enable pin
  6. LX: Switching node pin
  7. VOUT: Output voltage pin
  8. VCC: Supply voltage pin

Functional Features

  • Efficient LED driving
  • Brightness control through dimming
  • Overvoltage protection
  • Thermal shutdown protection
  • Enable/disable functionality

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Dimming control enables brightness adjustment
  • Protection features enhance reliability
  • Enable/disable functionality provides flexibility

Disadvantages

  • Limited output current range (up to 1.2A)
  • Requires external components for operation

Working Principles

ISL97635AIRZ-T operates as a buck LED driver, converting the input voltage to a lower output voltage suitable for driving LEDs. It utilizes pulse width modulation (PWM) or analog dimming control to adjust the brightness of the LEDs. The IC incorporates protection features such as overvoltage and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

ISL97635AIRZ-T finds applications in various fields, including: - LCD display backlighting - Automotive interior lighting - Industrial displays - Signage and advertising displays - General lighting

Detailed and Complete Alternative Models

Some alternative models to ISL97635AIRZ-T include: - LT3474: LED driver with similar features and package - TPS61165: High-brightness LED driver with integrated boost converter - MAX16834: LED driver with integrated high-voltage boost converter

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением ISL97635AIRZ-T в технических решениях.

  1. What is the maximum input voltage for ISL97635AIRZ-T?
    - The maximum input voltage for ISL97635AIRZ-T is 36V.

  2. Can ISL97635AIRZ-T be used for driving LED backlights?
    - Yes, ISL97635AIRZ-T is designed for driving LED backlights in LCD displays.

  3. What is the typical efficiency of ISL97635AIRZ-T?
    - The typical efficiency of ISL97635AIRZ-T is around 92%.

  4. Does ISL97635AIRZ-T have built-in overcurrent protection?
    - Yes, ISL97635AIRZ-T features built-in overcurrent protection.

  5. What is the recommended operating temperature range for ISL97635AIRZ-T?
    - The recommended operating temperature range for ISL97635AIRZ-T is -40°C to 85°C.

  6. Can ISL97635AIRZ-T be used in automotive applications?
    - Yes, ISL97635AIRZ-T is suitable for automotive applications.

  7. What is the typical dimming range of ISL97635AIRZ-T?
    - The typical dimming range of ISL97635AIRZ-T is 0.5% to 100%.

  8. Is ISL97635AIRZ-T compatible with I2C interface for control?
    - Yes, ISL97635AIRZ-T supports I2C interface for control and dimming.

  9. What is the output current capability of ISL97635AIRZ-T?
    - ISL97635AIRZ-T can provide up to 1.5A of output current.

  10. Does ISL97635AIRZ-T require external compensation components?
    - No, ISL97635AIRZ-T does not require external compensation components for operation.