ISL97634IRT18Z-T

Product Overview

Category

ISL97634IRT18Z-T belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Efficient LED driver
• High integration
• Low power consumption
• Wide input voltage range
• Adjustable output current
• Dimming control options

Package

ISL97634IRT18Z-T is available in a compact and industry-standard package, such as a 16-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of ISL97634IRT18Z-T lies in its ability to efficiently drive LED backlighting in electronic devices, providing optimal brightness control and energy efficiency.

Packaging/Quantity

Typically, ISL97634IRT18Z-T is supplied in reels or tubes, with a quantity of around 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Current Range: Up to 1.2A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 92%
• Protection Features: Over-temperature, over-voltage, and short-circuit protection

Detailed Pin Configuration

1. VIN: Input voltage
2. GND: Ground
3. VOUT: Output voltage
4. DIM: Dimming control input
5. EN: Enable pin
6. FB: Feedback pin
7. NC: Not connected
8. NC: Not connected
9. NC: Not connected
10. NC: Not connected
11. NC: Not connected
12. NC: Not connected
13. NC: Not connected
14. NC: Not connected
15. NC: Not connected
16. NC: Not connected

Functional Features

• Efficiently drives LED backlighting with adjustable output current.
• Provides dimming control options for brightness adjustment.
• Offers protection against over-temperature, over-voltage, and short-circuit conditions.
• Wide input voltage range allows compatibility with various power sources.
• High integration reduces external component count and board space requirements.

Advantages and Disadvantages

Advantages

• High efficiency results in energy savings.
• Compact package size enables easy integration into electronic devices.
• Adjustable output current allows customization based on specific LED requirements.
• Dimming control options provide flexibility in brightness adjustment.
• Protection features enhance reliability and prevent damage to the IC and LEDs.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Lack of detailed documentation or support can pose challenges for inexperienced users.

Working Principles

ISL97634IRT18Z-T operates as a buck LED driver, converting the higher input voltage to a lower output voltage suitable for driving LEDs. It utilizes pulse width modulation (PWM) techniques to adjust the LED brightness by controlling the duty cycle of the PWM signal. The IC incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

ISL97634IRT18Z-T finds extensive application in the following fields:

1. LCD monitors and televisions
2. Automotive displays and lighting systems
3. Portable electronic devices (e.g., smartphones, tablets)
4. Industrial control panels and instrumentation
5. Signage and advertising displays

Detailed and Complete Alternative Models

1. ISL97634IRT18Z-T is an alternative model to ISL97634IRT18Z-T7A, offering similar functionality but with slight variations in specifications.
2. For higher output current requirements, alternatives such as ISL97634IRT18Z-TK and ISL97634IRT18Z-TK7A can be considered.
3. If additional features like integrated fault protection are desired, alternatives like ISL97634IRT18Z-TF and ISL97634IRT18Z-TF7A may be suitable.

(Note: The above alternative models are provided for reference and may vary based on availability and specific requirements.)

Word Count: 550 words